RT9202B Просмотр технического описания (PDF) - Richtek Technology

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RT9202B

Single Synchronous Buck PWM DC-DC Controller

Richtek Technology 

RT9202B

Parameter

Protection

Symbol

Test Conditions

Min Typ Max Units

FB Over-Voltage Trip

FB Under-Voltage Trip

OCSET Current Source

Soft-Start Interval

IOCSET

FB Rising

FB Falling

VOCSET = 4.5V

1.0 1.1 --

V

-- 0.5 0.6 V

17 20 23 µA

1

2

4 ms

Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for

stress ratings. 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 for extended

periods may remain possibility to affect device reliability.

Note 2. Devices are ESD sensitive. Handling precaution recommended.

Note 3. The device is not guaranteed to function outside its operating conditions.

Note 4. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of

JEDEC 51-3 thermal measurement standard.

www.richtek.com

6

DS9202B-03 March 2007

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