RT8901GS datasheet(4/10 Pages) RICHTEK

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RT8901

DS8901-03 October 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings

(Note 1)



VGH, VGHM, RE to GND ------------------------------------------------------------------------------------------------

−0.3V to 40V



VFLK, VDPM, VD, CD to GND -----------------------------------------------------------------------------------------

−0.3V to 6.5V



Output Current Source from VGH (Pulse Width <500ns with period >2.5

μs) ------------------------------ 1A



Output Current (rms value), R1 = 0

Ω -------------------------------------------------------------------------------- 133mA



Power Dissipation, PD @ TA = 25

°C

SOP-8 ------------------------------------------------------------------------------------------------------------------------ 0.833W



Package Thermal Resistance (Note 2)

SOP-8,

θJA ------------------------------------------------------------------------------------------------------------------ 120°C/W

SOP-8,

θJC ----------------------------------------------------------------------------------------------------------------- 30°C/W



Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260

°C



Junction Temperature ---------------------------------------------------------------------------------------------------- 150

°C



Storage Temperature Range --------------------------------------------------------------------------------------------

−65°C to 150°C



ESD Susceptibility (Note 3)

HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 2kV

MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input Supply Voltage

VVGH

Input Supply Current

IVGH

CD = VDPM = 5V, VVFLK = 5V

0.5

1.5

Adjustable VGHM Falling

Regulation Voltage

10VD

fVFLK = 25kHz, VGHM at Low, VGHM

with 1.5nF, R1 = 1.2k



VGH

VFLK Threshold

Voltage

Logic- High

VVFLK_H

1.5

5.5

Logic- Low

VVFLK_L

0.4

VFLK Input Leakage Current

ILeak

VVFLK = 0V or High

1

μA

VFLK to VGHM Rising

Propagation Delay

tPLH

R1 = 1.2k

, VGHM with 1.5nF,

VVFLK = 0 to 3V, measure

VVFLK = 1.5V to 10% VGHM

100

200

VFLK to VGHM Falling

Propagation Delay at Mode A

tPHL

CD = 5V, R1 = 1.2k

, VGHM with

1.5nF , VVFLK = 3 to 0V, measure

VVFLK = 1.5V to 90% VGHM

100

200

VFLK to VGHM Falling

Propagation Delay at Mode C

tPHL

CD = 3.3V, R1 = 1.2k

, VGHM with

1.5nF , VVFLK = 3 to 0V, measure

VVFLK = 1.5V to 90% VGHM

260

Operation Frequency

fOSC

300

kHz

VDPM Voltage Threshold

VDPM_H VDPM High Logic Threshold

2.4

2.5

2.6

CD Mode A Operation Range

VCD_A

(VGH = +30V, GND = 0V, TA = 25

°C, unless otherwise specified.)

Recommended Operating Conditions

(Note 4)



Junction Temperature Range --------------------------------------------------------------------------------------------

−40°C to 125°C



Ambient Temperature Range --------------------------------------------------------------------------------------------

−40°C to 85°C

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