Datasheet > CAT3200HU2

CAT3200HU2

更新时间： 2022-12-23 20:52:05

品牌	Logo	应用领域
安森美 - ONSEMI		转换器泵
页数	文件大小	规格书
9页	177K
描述
Low Noise Regulated Charge Pump DC-DC Converter

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CAT3200HU2 数据手册

CAT3200HU2

Low Noise Regulated

Charge Pump DC-DC

Converter

Description

http://onsemi.com

The CAT3200HU2 is a switched capacitor boost converter that

delivers a low noise, regulated output voltage. The CAT3200HU2

gives a fixed regulated 5 V output when the FB pin is tied to ground,

otherwise it provides an adjustable output using external resistors. The

constant frequency 2 MHz charge pump allows small 1 mF ceramic

capacitors to be used.

UDFN−8

Maximum output loads of up to 100 mA can be supported over a

wide range of input supply voltages making the device ideal for

battery−powered applications.

HU2 SUFFIX

CASE 517AW

A shutdown control input allows the device to be placed in

power−down mode, reducing the supply current to less than 1 mA.

In the event of short circuit or overload conditions, the device is

fully protected by both foldback current limiting and thermal overload

detection. In addition, a soft start, slew rate control circuit limits inrush

current during power−up.

MARKING DIAGRAM

CAX

The CAT3200HU2 is available in the tiny 8−pad UDFN

2 mm x 2 mm package.

CA = Product Name

X = Assembly Location

Y = Production Year (Last Digit)

M = Production Month (1−9, A, B, C)

Features

• Constant High Frequency (2 MHz) Operation

• 100 mA Output Current

PIN CONNECTIONS

• Regulated Output Voltage (5 V Fixed or Adjustable)

• Low Quiescent Current (1.7 mA Typ.)

• Soft Start, Slew Rate Control

CPOS

VIN

VOUT

• Reverse Leakage Protection

CNEG

PGND

SHDN

SGND

• Thermal Overload Shutdown Protection

• Low Value External Capacitors (1 mF)

• Foldback Current Overload Protection

• Shutdown Current less than 1 mA

• 8−pad UDFN 2 mm x 2 mm Package

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

Typical Applications

• 3 V to 5 V Boost Conversion

• 2.5 V to 3.3 V Boost Conversion

• White LED Driver

• Handheld Portable Devices

Publication Order Number:

April, 2010 − Rev. 0

CAT3200HU2/D

12 3 4 5 6 7...9

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