Datasheet > SC560L

SC560L

更新时间： 2024-11-08 00:55:35

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
18页	312K
描述
Dual Output Low Noise LDO Linear Regulator

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中文翻译

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SC560L 数据手册

SC560

Dual Output Low Noise LDO

Linear Regulator

POWER MANAGEMENT

Features

Description

Input voltage range — 2.5V to 5.5V

Output voltage ranges — 1.2V to 5.0V (each LDO)

Maximum output current — 300mA (both LDOs)

Dropout at 200mA load — 200mV max.

Quiescent supply current — 100μA (both LDOs

enabled)

The SC560 is a family of dual output, ultra-low dropout

linear voltage regulators designed for use in battery

powered wireless applications. The SC560A, SC560B, and

SC560C provide adjustable output voltages that can be

set using two external resistors. Fixed output voltages

are also available (see ordering information for available

combinations). Fixed output devices provide the power-

good monitor, independent enable pins, and a bypass pin

for low-noise operation

Shutdown current — 100nA (typ)

Output noise < 50μV_RMS(SC560A and #xed output

versions)

PSRR < -65dB at 1kHz (SC560A and #xed output

versions)

All members of the SC560 family require an input voltage

level between 2.5V and 5.5V. Output voltages for the

adjustable versions can vary between 1.2V and 5.0V. Fixed

output voltage options are also chosen from this range.

Over-temperature protection

Short-circuit protection

Under-voltage lockout

Power good monitor for output A (SC560C and #xed

output versions)

The SC560A provides superior low-noise performance

by using an external bypass capacitor connected to pin

7 to #lter the bandgap reference. The SC560B uses pin 7

as a separate enable pin for the second regulator output

so the two outputs can be controlled independently.

The SC560C uses this pin to provide a PGOOD output

to hold a processor in reset when the voltage on OUTA

is not in regulation. All other versions provide all three

functions with #xed output voltages (no feedback pins

are provided).

Independent enable/disable for LDOB (SC560B and

# x ed output versions)

MLPQ-UT8, 1.5mm x 1.5mm x 0.6mm package

Lead-free and halogen-free

Applications

PDAs and cellular phones

GPS devices

Palmtop computers and handheld instruments

TFT/LCD applications

The device also provides protection circuitry such as

current limiting, under-voltage lockout, and thermal

protection to prevent device failures. Stability is

maintained by using 1µF capacitors on the output pins.

The MLPQ-UT8 package and 0402 ceramic capacitors

minimize the required PCB area.

Wireless handsets

Digital cordless phones and PCS phones

Personal communicators

Wireless LAN

Typical Application Circuit

SC560D

PGO OD

OUTA

VIN

OUTA

OUTB

BYP

OUTB

ENB

C_IN

2.2µF

C_{O UTB}

1µF

C_BYP

22nF

C_{O UTA}

1µF

GND

Rev. 7.1

12 3 4 5 6 7...18

中文翻译

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与SC560L相关器件

型号	品牌	获取价格	描述	数据表
SC560XEVB	SEMTECH	获取价格	Dual Output Low Noise LDO Linear Regulator
SC560XULTRT	SEMTECH	获取价格	Dual Output Low Noise LDO Linear Regulator
SC561	SEMTECH	获取价格	Dual Output Low Noise LDO Linear Regulator
SC56-11	ETC	获取价格	14MM SINGLE DIGIT NUMERIC DISPLAYS
SC56-11CGKWA	KINGBRIGHT	获取价格	暂无描述
SC56-11EWA	KINGBRIGHT	获取价格	Standard-Displays
SC56-11EWA_07	KINGBRIGHT	获取价格	14.2mm (0.56INCH) SINGLE DIGIT NUMERIC DISPLAY
SC56-11GWA	KINGBRIGHT	获取价格	Standard-Displays
SC-56-11HWA	KINGBRIGHT	获取价格	Smart/Normal 7 Seg Numeric LED Display, 1-Character, Bright Red, 14.2mm,
SC56-11HWA	KINGBRIGHT	获取价格	Standard-Displays

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