Micrel, Inc.

MIC2619

March 2010

2

M9999-030410-A

Ordering Information

Part Number

Marking

(1)

Overvoltage

Protection

Junction Temp.

Range

Package

Lead Finish

MIC2619YD6

2619

Programmable

-40°C to +125°C

Thin SOT-23-6

Lead Free

Note:

1. Under bar( ) symbol may not be to scale.

Pin Configuration

6-Pin TSOT-23 (YD6)

Pin Description

Pin Number

Pin Name

Pin Function

1

SW

Switch Node (Input): Internal power bipolar collector.

2

GND

Ground.

3

FB

Feedback (Input): Output voltage sense node. Connect external resistor network to set

output voltage. Nominal feedback voltage is 1.265V.

4

EN

Enable (Input): Logic high enables regulator. Logic low shuts down regulator. Do not

leave floating.

5

OVP

Over-Voltage Protection (Input): Programmable to 35V, adjustable through resistor divider

network.

6

VIN

Supply (Input): 2.8V to 6.5V for internal circuitry. Requires a minimum 1.0µF ceramic

capacitor.