RT9525 datasheet(4/15 Pages) RICHTEK

4 / 15 page

RT9525

DS9525-01 May 2011

www.richtek.com

Electrical Characteristics

(VIN = 5V, VBAT = 4V, TA = 25

°C, unless otherwise specification)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Input

VIN Operating Range

4.2

VIN Under Voltage Lockout

Threshold

VUVLO

3.1

3.3

3.5

VIN Under Voltage Lockout

Hysteresis

VUVLO _hys

240

ISYS = IBAT = 0mA, EN = L

VIN Supply Current

IIN

ISYS = IBAT = 0mA, EN = H

0.8

1.5

VIN Suspend Current

ISUS

VIN = 5V, EN2 = EN1 = H

195

333

μA

BAT Sleep Leakage Current

ISLEEP

VBAT > VIN , (VIN = 0V)

μA

VIN

− BAT VOS Rising

VOS_H

200

300

VIN

− BAT VOS Falling

VOS_L

Voltage Regulation

Battery Regulation Voltage

VREG

0 to 85°C, ILOAD = 20mA

4.16

4.2

4.23

System Regulation Voltage

VSYS

5.3

5.5

5.7

APPM Regulation Voltage

VAPPM

EN2 = L ,EN1 = H

4.2

4.3

4.4

DPM Regulation Voltage

VDPM

EN2 = L

4.35

4.5

4.63

VIN to VSYS MOSFET Ron

RDS(ON)

ILIM = 1000mA

0.2

0.35

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage, VIN ------------------------------------------------------------------------------------------------

−0.3V to 28V

CHG, PGOOD--------------------------------------------------------------------------------------------------------------

−0.3V to 28V

Other Pins-------------------------------------------------------------------------------------------------------------------

−0.3V to 6V

CHG, PGOOD Continuous Current ------------------------------------------------------------------------------------ 20mA

BAT Continuous Current (total in two pins) (Note 2) ------------------------------------------------------------ 2.5A

Power Dissipation, PD @ TA = 25

°C

WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------ 1.471W

Package Thermal Resistance (Note 3)

WQFN-16L 3x3,

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

WQFN-16L 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 (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V

Recommended Operating Conditions

(Note 5)

Supply Input Voltage, VIN (EN2 = H, EN1 = L) --------------------------------------------------------------------- 4.45V to 6V

Supply Input Voltage, VIN (EN2 = L, EN1 = X) --------------------------------------------------------------------- 4.65V to 6V

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

−40°C to 125°C

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

−40°C to 85°C

To be continued

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