CS5111

http://onsemi.com

2

Figure 1. Block Diagram

SELECT

COMP

WDI

Multiplexer

Oscillator

Overvoltage

Bandgap

Reference

Switcher Error Amplifier

COMP

Logic

–

+

+

–

Base

Drive

Current Sense Amplifier

+

–

Linear

Error Amplifier

+

–

1.4 A

GND

ENABLE

RESET

Switcher Shutdown

Current

Limit

Over

Temperature

1.25 V

RESET &

Watchdog Timer

ABSOLUTE MAXIMUM RATINGS*

Rating

Value

Unit

Logic Inputs/Outputs (ENABLE, SELECT, WDI, RESET)

V

–0.3 to 10

DC Input Voltage

–0.3 to 26

–0.3 to 54

V

V

54

V

V

Power Dissipation

Internally Limited

–

Internally Limited

–

Internally Limited

–

RESET Output Sink Current

5.0

mA

ESD Susceptibility (Human Body Model)

2.0

kV

ESD Susceptibility (Machine Model)

200

V

Storage Temperature

–65 to 150

°C

Lead Temperature Soldering:

Reflow: (SMD styles only) (Note 1.)

230 peak

°C

1. 60 second maximum above 183

°C.

*The maximum package power dissipation must be observed.