APU3037O

更新时间： 2024-11-21 03:19:19

品牌	Logo	应用领域
富鼎先进 - A-POWER		控制器
页数	文件大小	规格书
18页	195K
描述
8-PIN SYNCHRONOUS PWM CONTROLLER

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中文翻译

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数据手册

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APU3037O 数据手册

Technology Licensed from International Rectifier

APU3037 / APU3037A

8-PIN SYNCHRONOUS PWM CONTROLLER

DESCRIPTION

FEATURES

Synchronous Controller in 8-Pin Package

Operating with single 5V or 12V supply voltage

The APU3037 controller IC is designed to provide a low

cost synchronous Buck regulator for on-board DC to DC

converter applications. With the migration of today’s ASIC

products requiring low supply voltages such as 1.8V and

lower, together with currents in excess of 3A, traditional

linear regulators are simply too lossy to be used when

input supply is 5V or even in some cases with 3.3V

input supply. The APU3037 together with dual N-channel

MOSFETs such as AP60T03, provide a low cost solution

for such applications. This device features an internal

200KHz oscillator (400KHz for "A" version), under-volt-

age lockout for both Vcc and Vc supplies, an external

programmable soft-start function as well as output un-

der-voltage detection that latches off the device when an

output short is detected.

Internal 200KHz Oscillator

(400KHz for APU3037A)

Soft-Start Function

Fixed Frequency Voltage Mode

500mA Peak Output Drive Capability

Protects the output when control FET is shorted

RoHS Compliant

APPLICATIONS

DDR memory source sink Vtt application

Low cost on-board DC to DC such as 5V to 3.3V,

2.5V or 1.8V

Graphic Card

Hard Disk Drive

TYPICAL APPLICATION

12V

1uH

0.1uF

47uF

10TPB100M,

100uF, 55m

1uF

Ω

Vcc

HDrv

AP60T03GH

1.5V/5A

SS/SD

APU3037

1N4148

5.6uH, 5.3A

0.1uF

2x 6TPC150M,

AP60T03GH

LDrv

150uF, 40m

Ω

Comp

2200pF

249, 1%

Gnd

24k

1.24K, 1%

Figure 1 - Typical application of APU3037 or APU3037A.

PACKAGE ORDER INFORMATION

TA (°C)

0 To 70

DEVICE

PACKAGE

FREQUENCY

200KHz

APU3037O

APU3037M/MP

APU3037AO

8-Pin Plastic TSSOP (O)

8-Pin Plastic SOIC NB (M/MP)

8-Pin Plastic TSSOP (O)

200KHz

400KHz

APU3037AM/AMP 8-Pin Plastic SOIC NB (M/MP)

Data and specifications subject to change without notice.

200507075-1/18

12 3 4 5 6 7...18

中文翻译

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与APU3037O相关器件

型号	品牌	获取价格	描述	数据表
APU3037O-HF	A-POWER	获取价格	IC SWITCHING CONTROLLER, 220 kHz SWITCHING FREQ-MAX, PDSO8, HALOGEN FREE AND ROHS COMPLIAN
APU3039	A-POWER	获取价格	SYNCHRONOUS PWM CONTROLLER
APU3039M	A-POWER	获取价格	IC SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO14, ROHS COMPLIANT, PLASTIC, SOIC
APU3039VN	A-POWER	获取价格	IC SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, QCC20, 5 X 5 MM, ROHS COMPLIANT, VQFN
APU3046	A-POWER	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER WITH
APU3046O	A-POWER	获取价格	IC DUAL SWITCHING CONTROLLER, 450 kHz SWITCHING FREQ-MAX, PDSO24, ROHS COMPLAINT, PLASTIC,
APU3048	A-POWER	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
APU3048M	A-POWER	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
APU3048O	A-POWER	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
APU3073	A-POWER	获取价格	SYNCHRONOUS PWM CONTROLLER WITH

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