Micrel, Inc.

MIC5388/9

July 2011

2

M9999-071211-A

Ordering Information

Manufacturing Part Number

(1, 2)

Marking Code

Voltage

Junction

Temperature

Range

Package

MIC5388-SGYCS*

8A8

3.3V/1.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5388-MMYCS*

8B8

2.8V/2.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5388-MLYCS*

8C8

2.8V/2.7V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5388-MGYCS

8D8

2.8V/1.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5388-M4YCS*

8E8

2.8V/1.2V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5388-G4YCS*

8F8

1.8V/1.2V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-SGYCS*

8A9

3.3V/2.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-MMYCS*

8B9

2.8V/2.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-MLYCS*

8C9

2.8V/2.7V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-MGYCS

8D9

2.8V/1.8V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-M4YCS*

8E9

2.8V/1.2V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

MIC5389-G4YCS*

8F9

1.8V/1.2V

–40° to +125°C

6-Bump Wafer Level Chip Scale Package

Notes:

1.

Other voltages available. Contact Micrel Marketing for details.

2.

MIC5389 offers auto-discharge function.

*

Contact Micrel Marketing for availability.

Pin Configuration

Ball A1 Identifier

TOP VIEW

BOTTOM VIEW

6-Bump, 0.5mm Pitch WLCSP (CS)

Pin Description

Pin Number

Pin Name

Pin Function

A1

EN1

Enable Regulator 1. Active High Input. Logic High = On; Logic Low = Off. Do not leave floating.

B1

GND

Ground.

C1

EN2

Enable Regulator 2. Active High Input. Logic High = On; Logic Low = Off. Do not leave floating.

C2

VOUT2

Regulator Output

− LDO2

B2

VIN

Voltage Supply Input.

A2

VOUT1

Regulator Output

− LDO1