PMIC - Voltage Regulators - DC DC Switching Controllers | Page 16

Used and refurbished parts guaranteed can work well

SC1485ITSTRT

TSSOP

Semtech International

2008

Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller The SC1485 is a dual output constant on synchronousbuck PWM controller intended for use in notebook computers and other battery operated portable devices. Features include high efficiency and a fast dynamic response with no minimum on time. The excellent transient response, means that SC1485 based solutions will require less output capacitance than competing fixed frequency converters. The frequency is constant until a step in load or line voltage occurs at which time the pulse density and frequency will increase or decrease to counter the change in output or input voltage. After the transient event, the controller frequency will return to steady state operation. At light loads, Power-Save Mode enables the SC1485 to skip PWM pulses for better efficiency.

Utsource

≥1:

S$5.98163

S$5.38347

≥5:

S$5.68255

S$5.11429

≥10:

S$5.38347

S$4.84512

≥20:

S$5.23393

S$4.71053

≥50:

S$5.08438

S$4.57595

≥100:

S$4.93484

S$4.44136

≥200:

S$4.78530

S$4.30677

≥500:

S$4.72549

S$4.25294

≥1000:

S$4.63576

S$4.17219

From: S$4.63576

Description: SC1485ITSTRT is a voltage supervisor IC from Semtech Corporation. It is a low power, low voltage supervisor with an active-low reset output. Features: Low power consumption Low voltage

Stock:10000

Minimum:1

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Used and refurbished parts guaranteed can work well

UCC2893PWR

TSSOP-16

Texas Instruments

10+

The UCC2891/2/3/4 family of PWM controllers is designed to simplify implementation of the various active clamp/reset switching power topologies. The UCC289x is a peak current-mode, fixedfrequency, high-performance pulse width modulator. It includes the logic and the drive capability for the auxiliary switch with a simple method of programming the critical delays for proper active clamp operation. The UCC2891/3 includes a 110-V start-up regulator for initial start-up and to provide keep-alive power during stand-by. Additional features include an internal programmable slope compensation circuit, precise DMAX limit, and a single resistor programmable synchronizable oscillator. An accurate line monitoring function also programs the converter\x92s ON and OFF transitions with regard to the bulk input voltage. Along with the UCC2897, this UCC289x family allows the power supply designer to eliminate many of the external components, reducing the size and complexity of the design.

Utsource

≥1:

S$5.44829

S$4.90346

≥5:

S$3.63219

S$3.26897

≥10:

S$3.26897

S$2.94208

≥20:

S$3.17816

S$2.86035

≥50:

S$3.08737

S$2.77863

≥100:

S$2.99656

S$2.69691

≥200:

S$2.90575

S$2.61518

≥500:

S$2.86944

S$2.58249

≥1000:

S$2.81494

S$2.53345

From: S$2.81494

The UCC2893PWR is a high-performance, low-cost, current-mode, PWM controller for off-line and DC-to-DC converter applications. It is designed to provide excellent line and load regulation in a wide ra

Stock:10000

Minimum:2

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UC3844BVD1R2G

SOIC-8

On Semiconductor

11+

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, a latch for single pulse metering, and a flip-flop which blanks the output off every other oscillator cycle, allowing output deadtimes to be programmed from 50% to 70%. These devices are available in an 8-pin dual-in-line and surface mount (SO-8) plastic package as well as the 14-pin plastic surface mount (SO-14). The SO-14 package has separate power and ground pins for the totem pole output stage. The UCX844B has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for off-line converters. The UCX845B is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).

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≥1:

S$1.01810

S$0.91629

≥5:

S$0.76358

S$0.68722

≥10:

S$0.53450

S$0.48105

≥20:

S$0.50905

S$0.45815

≥50:

S$0.45815

S$0.41233

≥100:

S$0.44542

S$0.40088

≥200:

S$0.43269

S$0.38942

≥500:

S$0.41997

S$0.37797

≥1000:

S$0.40724

S$0.36652

From: S$0.40724

Description: The UC3844B is a high performance current mode controller. Features: * High performance current mode control * Internal oscillator * Undervoltage lockout * Cycle-by-cycle current limit *

Stock:10000

Minimum:3

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Used and refurbished parts guaranteed can work well

UCC35705DTR

SOP8

Texas Instruments

09+

HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR

Utsource

≥1:

S$6.57979

S$5.92181

≥5:

S$6.25080

S$5.62572

≥10:

S$5.92181

S$5.32963

≥20:

S$5.75732

S$5.18159

≥50:

S$5.59282

S$5.03354

≥100:

S$5.42832

S$4.88549

≥200:

S$5.26384

S$4.73745

≥500:

S$5.19803

S$4.67823

≥1000:

S$5.09934

S$4.58941

From: S$5.09934

Stock:10000

Minimum:1

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TL1451CNS

SOP16

Texas Instruments

Dual Pulse-Width-Modulation Control Circuit 16-SO

Utsource

≥1:

S$2.81210

S$2.53089

≥5:

S$1.87473

S$1.68726

≥10:

S$1.68726

S$1.51853

≥20:

S$1.64039

S$1.47635

≥50:

S$1.59352

S$1.43417

≥100:

S$1.54665

S$1.39199

≥200:

S$1.49979

S$1.34981

≥500:

S$1.48104

S$1.33294

≥1000:

S$1.45292

S$1.30763

From: S$1.45292

Stock:10000

Minimum:2

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UCC25600DRG4

SOP-8

Texas Instruments

11+

8-Pin High-Performance Resonant Mode Controller

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≥1:

S$4.49936

S$4.04942

≥5:

S$2.99957

S$2.69962

≥10:

S$2.69962

S$2.42965

≥20:

S$2.62463

S$2.36216

≥50:

S$2.54964

S$2.29467

≥100:

S$2.47465

S$2.22718

≥200:

S$2.39966

S$2.15969

≥500:

S$2.36966

S$2.13270

≥1000:

S$2.32467

S$2.09220

From: S$2.32467

Stock:10000

Minimum:2

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UCC2893DR

SOP16

Texas Instruments

0836+

CURRENT-MODE ACTIVE CLAMP PWM CONTROLLER

Utsource

≥1:

S$7.49893

S$6.74904

≥5:

S$7.12398

S$6.41159

≥10:

S$6.74904

S$6.07413

≥20:

S$6.56156

S$5.90541

≥50:

S$6.37409

S$5.73668

≥100:

S$6.18662

S$5.56796

≥200:

S$5.99914

S$5.39923

≥500:

S$5.92415

S$5.33174

≥1000:

S$5.81167

S$5.23050

From: S$5.81167

The UCC2893 is a high-performance, current-mode, fixed-frequency, pulse-width modulation (PWM) controller. It is designed to provide a cost-effective solution for high-performance, low-cost, off-line

Stock:10000

Minimum:1

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SG1526J-883B

CDIP-18

MSC

1215

IC REG CTRLR BUCK/FLYBACK 18JDIP

Utsource

≥1:

S$20.24711

S$18.22240

≥5:

S$19.12227

S$17.21005

≥10:

S$18.55985

S$16.70387

≥20:

S$17.99743

S$16.19769

≥50:

S$17.43501

S$15.69151

≥100:

S$17.21005

S$15.48904

≥200:

S$16.87259

S$15.18533

≥500:

S$16.64763

S$14.98286

≥1000:

S$16.31017

S$14.67916

From: S$16.31017

Description: The SG1526J-883B is a monolithic integrated circuit designed for use in switched mode power supplies. Features: Operating supply voltage range of 4.5V to 40V Output current up to 1.5A

Stock:2000

Minimum:1

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Used and refurbished parts guaranteed can work well

UC2843BD1G

SOP-8

On Semiconductor

12+

High Performance Current Mode Controllers

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≥1:

S$1.19983

S$1.07985

≥5:

S$0.89987

S$0.80989

≥10:

S$0.62991

S$0.56692

≥20:

S$0.59991

S$0.53992

≥50:

S$0.53992

S$0.48593

≥100:

S$0.52492

S$0.47243

≥200:

S$0.50993

S$0.45894

≥500:

S$0.49493

S$0.44544

≥1000:

S$0.47993

S$0.43194

From: S$0.47993

Description: The UC2843BD1G is an improved version of the UC3843B. It is a high performance fixed frequency current mode controller. Features: * High performance fixed frequency current mode control

Stock:10000

Minimum:3

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SG3525ADWR2G

SOP-16

On Semiconductor

12+

Pulse Width Modulator Control Circuit

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≥1:

S$1.94042

S$1.74638

≥5:

S$1.45531

S$1.30978

≥10:

S$0.87319

S$0.78587

≥20:

S$0.84894

S$0.76404

≥50:

S$0.82468

S$0.74221

≥100:

S$0.80041

S$0.72037

≥200:

S$0.77617

S$0.69855

≥500:

S$0.76647

S$0.68982

≥1000:

S$0.75192

S$0.67673

From: S$0.75192

Description: SG3525ADWR2G is a Pulse Width Modulation (PWM) Control Circuit. Features: High speed pulse width modulation (PWM) Low start-up and operating current Internal oscillator Programmable

Stock:10000

Minimum:2

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Used and refurbished parts guaranteed can work well

UC3842BNG

DIP8

On Semiconductor

0812G

High Performance Current Mode Controllers

Utsource

S$2.73684

S$2.46315

From: S$2.73684

Stock:10000

Minimum:2

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SG3525AP013TR

SOP-16

STMicroelectronics

13+

REGULATING PULSE WIDTH MODULATORS

Utsource

≥1:

S$0.63820

S$0.57438

≥5:

S$0.51056

S$0.45950

≥10:

S$0.29357

S$0.26421

≥20:

S$0.25528

S$0.22975

≥50:

S$0.22976

S$0.20678

≥100:

S$0.22337

S$0.20103

≥200:

S$0.21699

S$0.19529

≥500:

S$0.21060

S$0.18954

≥1000:

S$0.20422

S$0.18380

From: S$0.20422

Description: The SG3525AP013TR is a high performance pulse width modulation (PWM) controller designed to provide the necessary features to implement off-line or DC-to-DC fixed frequency current mode c

Stock:10000

Minimum:11

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UC3843BDR2G

SOP14

On Semiconductor

06+

High Performance Current Mode Controllers

Utsource

≥1:

S$0.70594

S$0.63534

≥10:

S$0.42357

S$0.38121

≥100:

S$0.37651

S$0.33886

≥1000:

S$0.36474

S$0.32826

≥2500:

S$0.35297

S$0.31767

≥5000:

S$0.34120

S$0.30708

≥10000:

S$0.32943

S$0.29649

From: S$0.32943

Description: The UC3843B is a high performance fixed frequency current mode controller. Features: Current Mode Operation Low Start Up Current Internal Slope Compensation Pulse-by-Pulse Current L

Stock:10000

Minimum:5

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MC34060ADG

SOP-14

Moto

05+

Fixed Frequency, PWM, Voltage Mode Single Ended Controllers

Utsource

≥1:

S$1.68726

S$1.51853

≥5:

S$1.12484

S$1.01236

≥10:

S$1.01235

S$0.91112

≥20:

S$0.98423

S$0.88581

≥50:

S$0.95611

S$0.86050

≥100:

S$0.92799

S$0.83519

≥200:

S$0.89987

S$0.80989

≥500:

S$0.88862

S$0.79976

≥1000:

S$0.87175

S$0.78458

From: S$0.87175

Package Type: SOP-14 Manufacturer: MOTO Description: The MC34060ADG is a monolithic control circuit containing the primary functions required for DC-to-DC converters. It consists of an internal te

Stock:10000

Minimum:2

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UC3845BVNG

PDIP-5

On Semiconductor

11+

CTRLR CURRENT MODE HP 8DIP

Utsource

≥1:

S$1.55014

S$1.39513

≥5:

S$1.35638

S$1.22074

≥10:

S$0.77507

S$0.69756

≥20:

S$0.69756

S$0.62781

≥50:

S$0.67819

S$0.61037

≥100:

S$0.65881

S$0.59293

≥200:

S$0.63943

S$0.57549

≥500:

S$0.65881

S$0.59293

≥1000:

S$0.62006

S$0.55805

From: S$0.62006

Description: The UC3845BVNG is a high performance current mode controller. It is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution

Stock:10000

Minimum:2

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UC2524DWTR

SOP16

Texas Instruments

12+

Advanced Regulating Pulse Width Modulators

Utsource

≥1:

S$3.74947

S$3.37452

≥5:

S$3.56199

S$3.20579

≥10:

S$3.37452

S$3.03707

≥20:

S$3.28078

S$2.95270

≥50:

S$3.18705

S$2.86834

≥100:

S$3.09331

S$2.78398

≥200:

S$2.99957

S$2.69962

≥500:

S$2.96208

S$2.66587

≥1000:

S$2.90584

S$2.61525

From: S$2.90584

Description: The UC2524DWTR is a high performance current mode PWM controller. It is designed to provide the necessary features to implement off-line or DC to DC fixed frequency current mode control s

Stock:10000

Minimum:2

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NCP5212AMNTXG

QFN-16

On Semiconductor

DC/DC Cntrlr Single-OUT Step Down 330kHz 16-Pin QFN EP T/R

Utsource

≥1:

S$2.01880

S$1.81692

≥5:

S$1.34587

S$1.21128

≥10:

S$1.21128

S$1.09015

≥20:

S$1.17763

S$1.05987

≥50:

S$1.14398

S$1.02958

≥100:

S$1.11033

S$0.99930

≥200:

S$1.07670

S$0.96903

≥500:

S$1.06323

S$0.95691

≥1000:

S$1.04305

S$0.93874

From: S$1.04305

The NCP5212AMNTXG is a low-voltage, low-power, high-efficiency, synchronous step-down DC/DC converter with integrated MOSFETs from ON Semiconductor. It is available in a QFN-16 package and is designed

Stock:10000

Minimum:2

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UC2844ADTRG4

SOP14

Texas Instruments

07+

Current Mode PWM Controller

Utsource

≥1:

S$2.24968

S$2.02471

≥5:

S$1.49979

S$1.34981

≥10:

S$1.34981

S$1.21483

≥20:

S$1.31231

S$1.18108

≥50:

S$1.27482

S$1.14734

≥100:

S$1.23732

S$1.11359

≥200:

S$1.19983

S$1.07985

≥500:

S$1.18483

S$1.06635

≥1000:

S$1.16233

S$1.04610

From: S$1.16233

Description: The UC2844A is a high performance fixed frequency current mode controller. Features: High performance fixed frequency current mode control Operates at up to 500kHz Undervoltage

Stock:10000

Minimum:2

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IXMS150PSI

DIP24

IXYS

08+

Controller Miscellaneous - Datasheet Reference

Utsource

≥1:

S$11.24840

S$10.12356

≥5:

S$10.68598

S$9.61738

≥10:

S$10.12356

S$9.11120

≥20:

S$9.84235

S$8.85811

≥50:

S$9.56114

S$8.60502

≥100:

S$9.27993

S$8.35193

≥200:

S$8.99872

S$8.09885

≥500:

S$8.88623

S$7.99761

≥1000:

S$8.71751

S$7.84576

From: S$8.71751

IXMS150PSI is a high-voltage, high-speed, low-on-resistance, dual N-channel power MOSFET from IXYS. It is available in a DIP24 package. Description: The IXMS150PSI is a high-speed, low-on-resistance

Stock:5000

Minimum:1

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