RT8750 datasheet(4/21 Pages) RICHTEK

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RT8750

www.richtek.com

DS8750-01 April 2011

Electrical Characteristics

Recommended Operating Conditions

(Note 5)

Supply Input Voltage, VCC -------------------------------------------------------------------------------------------- 2.5V to 5.5V

Supply Input Voltage, VM ---------------------------------------------------------------------------------------------- 3V to 5.5V

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

−40°C to 125°C

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

−40°C to 85°C

Absolute Maximum Ratings (Note 1)

Supply Input Voltage, VCC, VM (Note 2) -------------------------------------------------------------------------

−0.3V to 6V

Control Input Voltage (Note 2) ---------------------------------------------------------------------------------------

−0.3V to VCC

Direct Current, IOD ------------------------------------------------------------------------------------------------------- 600mA/CH

Instantaneous Output Current, IOP ------------------------------------------------------------------------------------ 800mA/CH

Power Dissipation, PD @ TA = 25

°C

WQFN-20L 3x3 ----------------------------------------------------------------------------------------------------------- 1.471W

Package Thermal Resistance (Note 3)

WQFN-20L 3x3,

θJA ----------------------------------------------------------------------------------------------------- 68°C/W

WQFN-20L 3x3,

θJC----------------------------------------------------------------------------------------------------- 7.5°C/W

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

°C

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

°C

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

−65°C to 150°C

ESD Susceptibility (Note 4)

HBM ------------------------------------------------------------------------------------------------------------------------ 2kV

MM -------------------------------------------------------------------------------------------------------------------------- 200V

(VCC = 3.3V, VM = 5V, TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Supply Current

VCC Standby Current

ICC0

PS1 = Low, all input pin open

μA

VM Standby Current

IM01

PS1 = Low

0.1

μA

ICC1

0.6

Consuming Current

when Driver Operation

IM1

PS1 = High, All CH drivers in

operation PI1 to PI2 ON, no load

0.6

Logic-High VIH

IN1 to IN3 Input

Threshold Voltage

Logic-Low

VIL

VCC = 2.7 to 3.6V

0.8

Logic-High VIH

VCC

x 0.6

CS, SDAT, SCLK

Input Threshold

Voltage

Logic-Low

VIL

VCC

x 0.5

SDAT, SCLK, IN1 to 3 Sink

Current

μA

CS Sink Current

VCC > 2V

μA

VCC, UVLO Threshold

VUVLO

VM = 5V

1.55

1.65

1.8

VCC, POR Threshold

VPOR

VM = 5V

1.8

2.2

CH1, CH2, CH3, CH5

On-Resistance 1

RON1

VM = 5V, IOUT = 100mA

sum of on-resistance

1.2

1.6

To be continued

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