MIC5309 View Datasheet(PDF) - Micrel

Part Name

Description

MFG CO.

MIC5309

Low VIN/VOUT 300mA High PSRR ULDO™ with Ultra-Low IQ

Micrel 

Micrel, Inc.

Ordering Information

Part Number Voltage Marking Codes Temperature Range

Package

MIC5309-1.2YMT

MIC5309-1.5YMT

MIC5309-1.8YMT

MIC5309YMT

1.2V

1.5V

1.8V

Adj.

▲1S2

▲1S5

▲1S8

▲ASA

–40° to +125°C

–40° to +125°C

–40° to +125°C

–40° to +125°C

6-Pin 1.6mm x 1.6mm Thin MLF®

6-Pin 1.6mm x 1.6mm Thin MLF®

6-Pin 1.6mm x 1.6mm Thin MLF®

6-Pin 1.6mm x 1.6mm Thin MLF®

MIC5309-1.2YD6

1.2V

QS12

–40° to +125°C

6-Pin TSOT-23

MIC5309-1.5YD6

1.5V

QS15

–40° to +125°C

6-Pin TSOT-23

MIC5309-1.8YD6

1.8V

QS18

–40° to +125°C

6-Pin TSOT-23

MIC5309YD6

Adj.

QSAA

–40° to +125°C

6-Pin TSOT-23

Notes

For other voltage options. Contact Micrel Marketing for details.

Pin 1 identifier = ▲.

MLF® is a GREEN RoHS compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free.

MIC5309

Pin Configuration

BIAS 1

GND 2

VIN 3

6 BYP/ADJ

5 EN

4 VOUT

6-Pin 1.6mm x 1.6mm Thin MLF® (MT)

BIAS GND VIN

3

2

1

4

5

6

BYP/ADJ EN VOUT

6-Pin TSOT-23 (D6)

Pin Description

Pin Number

Thin MLF-6

3

2

1

Pin Number

TSOT-23-6

1

2

3

6

4

5

5

4

6

HS Pad

–

Pin Name Pin Function

VIN

GND

BIAS

BYP

ADJ

EN

VOUT

EPAD

Power Input for LDO.

Ground

Bias Input Voltage.

Bypass: Connect a capacitor to ground to reduce noise and

reduce ripple rejection.

Adjustable: Feedback input from external resistor divider.

Enable Input: Active High Input. Logic High = On;

Logic Low = Off; Do not leave floating.

Output of regulator.

Exposed heatsink pad connected to ground internally.

May 2008

2

M9999-051508-D

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