RT9277A/B

Preliminary

6

DS9277A/B-02 March 2007

www.richtek.com

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.

JEDEC 51-3 thermal measurement standard.

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Feedback Voltage Line

Regulation

--

0.05

0.15

%/V

MOSFET

On Resistance of MOSFET

--

200

500

m

Ω

Current Limitation

1.2

1.6

--

A

Enable Control Input

Input Low Voltage

--

--

V

Input High Voltage

--

--

V

Hysteresis

--

0.1

--

V

Protection Function

Over Temperature Protection

--

170

--

°C

Hysteresis

--

20

--

°C