Micrel, Inc.

MIC2569

September 2007

3

M9999-092507-C

(408) 944-0800

Pin Description

Pin Number

Pin Name

Pin Function

1

GND

Ground.

2

NIC

No internal connection. A voltage or signal applied to this pin will have no effect

on device operation.

3

3.3VIN

3V Supply input. Internal chip power is drawn from this supply.

4

5VIN

5V Supply input.

5

3.3VIN

3V Supply input.

met.

6

NIC

No internal connection. A voltage or signal applied to this pin will have no effect

on device operation.

7

C1

8

C2

9

C0

Control Pins

Outputs

C2

C1

C0

VCC

VPP1

VPP2

0

0

0

3.3 V

3.3 V

3.3 V

0

0

1

3.3 V

5.0 V

5.0 V

0

1

0

Hi-Z

Hi-Z

Hi-Z

0

1

1

Hi-Z

GND

Hi-Z

1

0

0

3.3 V

GND

5.0 V

1

0

1

3.3V

5V

GND

1

1

0

3.3V

GND

GND

1

1

1

GND

GND

GND

10

FAULT/

FAULT/ indicates the occurrence of a fault. FAULT/ is an open drain LOW true

output and goes low when any supply output is in current limit or if a thermal fault

occurs.

11

NIC

No internal connection. A voltage or signal applied to this pin will have no effect

on device operation.

12

VPP2

VPP2 output to CableCARD™ card.

13

14

VCC

VCC (3V main supply) output to CableCARD™ card. Both output pins should be

connected together.

15

NIC

No internal connection. A voltage or signal applied to this pin will have no effect

on device operation.

16

VPP1

VPP1 output to CableCARD™ card.