Datasheet > SP6128ASEY-L

SP6128ASEY-L

更新时间： 2024-11-06 22:58:59

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
10页	125K
描述
IC REG CTRLR BUCK 14TSSOP

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中文翻译

获取价格

数据手册

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SP6128ASEY-L 数据手册

SP6128A

Low Voltage, Synchronous Step Down PWM Controller

Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters

■ Optimized for Single Supply, 3V - 5.5V Applications

BST

■ High Efficiency: Greater Than 95% Possible

■ Discontinuous Startup for Precharged Output

■ Accurate Fixed 300kHz Frequency Operation

■ Fast Transient Response

12 SWN

SP6128A

14 pin TSSOP

PGND

GND

COMP

ISET

■ Internal Soft Start Circuit

■ Accurate 0.8V Reference Allows Low Output

Voltages

Now Available in Lead Free Packaging

■ Resistor Programmable Output Voltage

■ Resistor Programmable Overcurrent Threshold

APPLICATIONS

■ DSP

■ Microprocessor Core

■ I/O & Logic

■ Industrial Control

■ Distributed Power

■ Low Voltage Power

■ Loss-less Current Limit with High Side R_DS(ON)

Sensing

■ Hiccup Mode Current Limit Protection

■ Dual N-Channel MOSFET Synchronous Driver

■ Quiescent Current: 500µA, 30µA in Shutdown

■ 14 pin TSSOP

DESCRIPTION

The SP6128A is a fixed frequency, voltage mode, synchronous PWM controller designed to

work from a single 5V or 3.3V input supply, providing excellent AC and DC regulation for high

efficiency power conversion. Requiring only few external components, the SP6128A pack-

aged in an 14-pin TSSOP, is especially suited for low voltage applications where cost, small

size and high efficiency are critical. The operating frequency is internally set to 300kHz,

allowing small inductor values and minimizing PC board space. The SP6128A drives two

N-channelpowerMOSFETs forimprovedefficiencyandincludesanaccurate0.8Vreference

for low output voltage applications.

TYPICAL APPLICATION CIRCUIT

3V to 5.5V

10µF

MBR0530

FDS6690A

1µF

BST

SP6128A

PV_CC

V_CC

1.0µH

2.5V/10A

SWN

I_SET

PGND

GND

10µF

C10

10µF

C11

470µF

2.2µF

V_FB

STPS2L25U

FDS6690A

COMP

1.7k

C12

4.7nF

68pF

800

R2 7.87k C2 4.7n

Rev. 08/19/05

SP6128A Low Voltage, Synchronous Step Down PWM Controller

12 3 4 5 6 7...10

中文翻译

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与SP6128ASEY-L相关器件

型号	品牌	获取价格	描述	数据表
SP6128ASEY-L/TR	ETC	获取价格	IC REG CTRLR BUCK 14TSSOP
SP6128E3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 62.2V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP6129	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 69.2V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP6129A	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 69.2V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP6129AE3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 69.2V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP6129E3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 69.2V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP-6130		获取价格	Fanless and Low Power 15" / 12.1" / 10.4" / 8
SP6130A	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 76V V(RWM), Bidirectional, 1 Element, Silicon, HERME
SP6130AE3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 76V V(RWM), Bidirectional, 1 Element, Silicon, HERME
SP6130E3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 76V V(RWM), Bidirectional, 1 Element, Silicon, HERME

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