Micrel, Inc.

MIC2215

January 2007

3

M9999-011207

Pin Configuration

OUT1

VIN1

VIN2

OUT2

VIN3

GND

GND

BYP

OUT1

VIN1

VIN2

OUT2

VIN3

GND

GND

BYP

MIC2215-xxx_ML (ML)

(Fixed)

MIC2215-AAA_ML (ML)

(Adjustable)

Pin Description

Pin Number

Pin Name

Pin Function

1

VOUT1

Output voltage of regulator 1 (250mA). Connect externally to pin 16.

2

VIN1

Supply input of regulator 1 (highest input voltage required for common circuitry).

3

VIN2

Supply input of regulator 2.

4

VOUT2

Output voltage of regulator 2 (250mA). For fixed output device, connect pins 4

and 5 externally.

VOUT2

(Fixed)

Output voltage of regulator 2 (250mA). For fixed output device, connect pins 4

and 5 externally.

5

ADJ2

(Adj.)

Adjust Input. Feedback input for regulator 2.

6

EN1

Enable input to regulator 1. Enables regulator 1 output. Active high input.

High = on, low = off.

7

EN2

Enable input to regulator 2. Enables regulator 2 output. Active high input.

High = on, low = off.

8

EN3

Enable input to regulator 3. Enables regulator 3 output. Active high input.

High = on, low = off.

9

CBYP

Reference Bypass: Connect external 0.01µF to GND to reduce output noise.

May be left open.

10

GND

Ground.

11

GND

Ground.

12

VIN3

Supply input of regulator 3.

13

VOUT3

Output voltage of regulator 3 (250mA). For fixed output device, connect pins 13

and 14 externally.

VOUT3

(Fixed)

Output voltage of regulator 3 (250mA). For fixed output device, connect pins 13

and 14 externally.

14

ADJ3

(Adj.)

Adjust Input. Feedback input for regulator 3.

NC

(Fixed)

No Connect. Not internally connected.

15

ADJ1

(Adj.)

Adjust Input. Feedback input for regulator 1.

16

VOUT1

Output voltage of regulator 1 (250mA). Connect externally to pin 1.

Exposed Pad

GND

Ground.