Datasheet > FAN48632UC35X

FAN48632UC35X

更新时间： 2024-11-22 01:09:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
13页	1400K
描述
2.5 MHz, 2.0 A Pulsed-Load Synchronous TinyBoost

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FAN48632UC35X 数据手册

April 2014

FAN48632

2.5 MHz, 2.0 A Pulsed-Load Synchronous TinyBoost™

Regulator with Bypass Mode for GSM PA Supply

Features

Description

Few External Components: 0.47 µH Inductor and

The FAN48632 allows systems to take advantage of new

battery chemistries that can supply significant energy when

the battery voltage is lower than the required voltage for

system power ICs. By combining built-in power transistors,

synchronous rectification, and low supply current; this IC

provides a compact solution for systems using advanced

Li-Ion battery chemistries.

0603 Case Size Input and Output Capacitors

Input Voltage Range: 2.35 V to 5.5 V

Fixed Output Voltage : 3.3 V, 3.5 V

Maximum Continuous Load Current of: 1.5 A

at V_INof 2.6 V

The FAN48632 is a boost regulator designed to provide a

minimum output voltage (V_OUT(MIN)) from a single-cell Li-Ion

battery, even when the battery voltage is below system

minimum. In boost mode, output voltage regulation is

guaranteed to a maximum load current of 1.5 A continuous

and 2.0 A pulsed. Quiescent current in Shutdown Mode is less

than 3 µA, which maximizes battery life. The regulator

transitions smoothly between Bypass and normal Boost Mode.

The device can be forced into Bypass Mode to reduce

quiescent current.

Maximum Pulsed Load current :of 2.0 A for GSM 217 Hz

repetition rate ,boosting V_OUTto 3.3 V or 3.5 V

Up to 96% Efficient

True Bypass Operation when V_IN> Target V_OUT

Internal Synchronous Rectifier

Soft-Start with True Load Disconnect

Forced Bypass Mode

V_SELControl to Optimize Target V_OUT

Short-Circuit Protection

The FAN48632 is available in a 16-bump, 0.4 mm pitch,

Wafer-Level Chip-Scale Package (WLCSP).

VIN

VOUT

Low Operating Quiescent Current

16-Bump, 0.4 mm Pitch WLCSP

C_IN

10F

Battery

C_OUT

40F

SYSTEM

LOAD

PGND

AGND

0.47H

Applications

FAN48632

VSEL

Boost for Low-Voltage Li-ion Batteries, Brownout

Prevention, Supply GSM RF PA.

BYP

Cell Phones, Smart Phones, Tablets

Figure 1. Typical Application

Ordering Information

Output Voltage

V_SEL0/ V_SEL1

Forced

Bypass Temperature

Operating

Packing

Part Number

Soft-Start

Package

FAN48632UC33X

FAN48632BUC33X⁽¹⁾

FAN48632UC35X

Note:

3.30 / 3.49

3.50 / 3.70

FAST

Low I_Q

16-Ball, 4x4 Array, 0.4 mm

-40°C to 85°C Pitch, 250 µm Ball, Wafer-Level

Chip-Scale Package (WLCSP)

Tape

and

Reel

Low I_Q

1. The FAN48632BUC33X includes backside lamination.

www.fairchildsemi.com

FAN48632 • Rev. 1.0.3

12 3 4 5 6 7...13

中文翻译

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与FAN48632UC35X相关器件

型号	品牌	获取价格	描述	数据表
FAN48685UC08X	ONSEMI	获取价格	Fixed-Output Synchronous TinyBoost® Regulator
FAN4868UC33X	ONSEMI	获取价格	3 MHz, Synchronous Regulator
FAN48695UC190X	ONSEMI	获取价格	2.5 MHz, Fixed-Output Synchronous TinyBoost®
FAN49100	ONSEMI	获取价格	Buck-Boost Regulator
FAN49100AUC330X	ONSEMI	获取价格	Buck-Boost Regulator
FAN49100AUC360X	ONSEMI	获取价格	Buck-Boost Regulator
FAN49101	ONSEMI	获取价格	TinyPower I2C Buck-Boost Regulator
FAN49101AUC340X	ONSEMI	获取价格	TinyPower I2C Buck-Boost Regulator
FAN49103	ONSEMI	获取价格	TinyPower I2C Buck-Boost Regulator
FAN49103AUC330X	ONSEMI	获取价格	Buck-Boost Regulator, 2.5 A, 1.8 MHz, TinyPow

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