6

DS8298-01

November 2011

www.richtek.com

RT8298

Copyright

2011 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

©

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Sync Frequency Range

0.3

--

1.5

MHz

EN Turn-Off Delay

--

10

--

μs

EN Pull Low Current

--

1

--

μA

Thermal Shutdown

--

150

--

°C

Thermal Shutdown Hysteresis

--

20

--

°C

Power Good Threshold Rising

--

0.75

--

V

Power Good Threshold Hysteresis

--

40

--

mV

Power Good Pin Level

PGOOD Sink 10mA

--

--

0.125

V

BG Driver Bias Supply Voltage

4.5

5

--

V

Gate Driver Sink Impedance

--

0.9

--

Ω

Gate Driver Source Impedance

--

3.3

--

Ω

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.

measured at the exposed pad of the package.

Note 3. Devices are ESD sensitive. Handling precaution is recommended.

Note 4. The device is not guaranteed to function outside its operating conditions.