ILC7281 查看數據表（PDF） - Impala Linear Corporation

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ILC7281

Micropower Dual 150mA CMOS RF LDO™ Regulators with Power Supply Reset Monitor

Impala Linear Corporation 

Micropower Dual 150mA CMOS RF-LDO™ Regulators with Power Supply Reset Monitor

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Pin-Package Configurations

Figure 2

VIN 1

8 VOUT RESET

VOUTB 2

CNOISE(optional) 3

7 GND

6 VOUTA

ENB 4

MSOP

(TOP VIEW)

5 ENA

ILC7281CS-XXXX

Pin Functions ILC7281

Pin Number

1

2

3

Pin Name

VIN

VOUTB

CNOISE(optional)

4

ENB

5

ENA

6

VOUTA

7

GND

8

VOUT RESET

Pin Description

Supply Input

Regulator Output B

Voltage Reference Bypass: Connect external 470pF capacitor to GND to

reduce output noise in regulator “A” or “B.” May be left open.

Enable/Shutdown B (Input): CMOS compatible input. Logic high = enable,

logic low or open = shutdown. Do not leave floating.

Enable/Shutdown A (Input): CMOS compatible input. Logic high = enable,

logic low or open = shutdown. Do not leave floating.

Regulator Output A

Ground

Power supply reset monitor output. N-CH open drain output, must connect

through a resistor to supply voltage.

Impala Linear Corporation

ILC7281 1.0

(408) 574-3939 www.impalalinear.com

Nov 2000 2

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