RT9742

7

DS9742-00 July 2015

www.richtek.com

©

Copyright 2015 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Note 1.

Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are

stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the

operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect

device reliability.

Note 2.

Note 3.

Devices are ESD sensitive. Handling precaution is recommended.

Note 4.

The device is not guaranteed to function outside its operating conditions.

Please refer to Application Information and Typical Operating Characteristics.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

EN/EN Threshold

Logic_High

Voltage

2

--

--

V

Logic_Low

Voltage

--

--

0.8

EN/EN Input Current

EN/EN

I

EN

V

= 5V

0.5

--

0.5

A

Output Leakage Current

--

0.5

1

A

Output Turn-On Rise Time

--

300

--

s

Output Resist

FLG

ance

FLG

R

--

10

--



FLG Off Current

FLG_OFF

I

FLG

V

= 5V

--

0.01

1

A

FLG Delay Time

From fault condition to FLG

Assertion

--

10

--

ms

Shutdown Auto-Discharge

Resistance

--

10

--



Under-Voltage Lockout

--

--

2.4

V

Under-Voltage Hysteresis

--

0.1

--

V

Thermal Shutdown Protection

--

140

--

°C

Thermal Shutdown Hysteresis

--

20

--

°C