RT9629B datasheet(6/14 Pages) RICHTEK

6 / 14 page

RT9629B

DS9629B-06

July 2015

www.richtek.com

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.

θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θJC is

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.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

PWM Input

Maximum Input Current

IPWM

VPWMx = 0V or 5V

160

A

PWMx Floating Voltage

VPWM_fl

PWMx = Open

1.8

PWMx Rising Threshold

VPWM_rth

2.3

2.8

3.2

PWMx Falling Threshold

VPWM_fth

0.7

1.1

1.4

Timing

UGATEx Rising Time

tUGATEr

3nF load

UGATEx Falling Time

tUGATEf

3nF load

LGATEx Rising Time

tLGATEr

3nF load

LGATEx Falling Time

tLGATEf

3nF load

tUGATEpgh

tUGATEpdl

VBOOTx VPHASEx = 12V

See Timing Diagram

tLGATEpdh

Propagation Delay

tLGATEpdl

See Timing Diagram

Output

UGATEx Drive Source

RUGATEsr

VBOOT  VPHASE = 12V, ISource = 100mA

1.7



UGATEx Drive Sink

RUGATEsk

VBOOT  VPHASE = 12V, ISink = 100mA

1.4



LGATEx Drive Source

RLGATEsr

ISource = 100mA

1.6



LGATEx Drive Sink

RLGATEsk

ISink = 100mA

1.1



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