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MIC5250

Dual 150mA µCap CMOS LDO Regulator

Micrel 

MIC5250

Pin Configuration

BYPA 1

ENA 2

GNDA 3

BYPB 4

ENB 5

10 OUTA

9 INA

8 OUTB

7 INB

6 GNDB

MIC5250-x.xBMM

Micrel

Pin Description

Pin Number

9/7

3/6

2/4

Pin Name

INA / B

GNDA / B

ENA / B

1/4

BYPA / B

10 / 8

OUTA / B

* Supply inputs and grounds are fully isolated.

Pin Function

Supply Input*

Ground*

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

logic low = shutdown. Do not leave open.

Reference Bypass: Connect external 0.01µF capacitor to GND to reduce

output noise. May be left open.

Regulator Output

Absolute Maximum Ratings (Note 1)

Supply Input Voltage (VIN) .................................. 0V to +7V

Enable Input Voltage (VEN) ................................. 0V to +7V

Junction Temperature (TJ) ...................................... +150°C

Storage Temperature ............................... –65°C to +150°C

Lead Temperature (soldering, 5 sec.) ....................... 260°C

ESD, Note 3

Operating Ratings (Note 2)

Input Voltage (VIN) ......................................... +2.7V to +6V

Enable Input Voltage (VEN) .................................. 0V to VIN

Junction Temperature (TJ) ....................... –40°C to +125°C

Thermal Resistance (θJA)...................................... 200°C/W

MIC5250

2

June 2003

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