Micrel Inc.

MIC23158/9

November 2012

2

M9999-110812-A

Ordering Information

Part Number

Nominal Output Voltage

Output

Auto

Discharge

Junction Temperature Range

Package

MIC23158YML

ADJ

ADJ

NO

–40°C to +125°C

20-Pin 3mm x 4mm MLF

MIC23159YML

ADJ

ADJ

YES

–40°C to +125°C

20-Pin 3mm x 4mm MLF

Notes:

1.

Fixed output voltage options available. Contact Micrel Marketing for details.

2.

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

Pin Configuration

1

1

2

3

4

5

6

16

15

14

13

12

11

7

8

10

9

20

19

17

18

EP

VIN1

SW2

SW1

PGND1

PGND2

VIN2

FB2

PG2

SS2

SS1

PG1

FB1

3mm x 4mm MLF (ML) Adjustable Output Voltage

(Top View)

Pin Description

Pin Number

(Adjustable)

Pin Name

Pin Function

1

VIN1

Power Input Voltage for Regulator 1. Connect a capacitor to ground to decouple noise and switching

transients.

2

PGND1

Power Ground for Regulator 1.

3

SW1

Switch (Output): Internal power MOSFET output switches for regulator 1.

4

SW2

Switch (Output): Internal power MOSFET output switches for regulator 2.

5

PGND2

Power Ground for Regulator 2.

6

VIN2

Power Input Voltage for Regulator 2. Connect a capacitor to ground to decouple noise and switching

transients.

7

AVIN2

Analog Input Voltage for Regulator 2. Tie to VIN2 and connect a capacitor to ground to decouple

noise.