DS9535A Datasheet, PDF(6/18 Page) Richtek Technology Corporation – High Efficiency Switching Mode Battery Charge

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DS9535A Datasheet, PDF (6/18 Pages) Richtek Technology Corporation – High Efficiency Switching Mode Battery Charge

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RT9535A

Absolute Maximum Ratings (Note 1)

ï¬ VHH, BOOT to GND--------------------------------------------------------------------------------------------------ï ï ï0.3V to 36V

ï¬ VIN, EN, SW, HSD to GND ----------------------------------------------------------------------------------------- ï0.3V to 30V

ï¬ ISET, VC, VFB, V5V SS, NTC to GND -------------------------------------------------------------------------- ï ï ï0.3V to 6V

ï¬ BATT SNSH, SNSL to GND ---------------------------------------------------------------------------------------- ï0.3V to 28V

ï¬ Power Dissipation, PD @ TA = 25ï°C

WQFN-16L 4x4 --------------------------------------------------------------------------------------------------------ï 3.5W

ï¬ Package Thermal Resistance (Note 2)

WQFN-16L 4x4, ï±JA --------------------------------------------------------------------------------------------------ï 28.5ï°C/W

WQFN-16L 4x4, ï±JC --------------------------------------------------------------------------------------------------ï 7ï°C/W

ï¬ Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------ï 260ï°C

ï¬ Junction Temperature ------------------------------------------------------------------------------------------------ ï 150ï°C

ï¬ Storage Temperature Range --------------------------------------------------------------------------------------- ï ï65ï°C to 150ï°C

ï¬ ESD Susceptibility (Note 3)

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

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

Recommended Operating Conditions (Note 4)

ï¬ Supply Input Voltage ------------------------------------------------------------------------------------------------- ï 4.5V to 28V

ï¬ Battery Voltage, VBAT ----------------------------------------------------------------------------------------------- ï 2.5V to 22V

ï¬ Ambient Temperature Range--------------------------------------------------------------------------------------- ï ï40ï°C to 85ï°C

ï¬ Junction Temperature Range -------------------------------------------------------------------------------------- ï ï40ï°C to 125ï°C

Electrical Characteristics

(VIN = VBAT + 3V, VBAT is the full charge voltage, pull-up EN to VIN with 100kï resistor, TA = 25ï°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max Unit

Overall

Supply Quiescent Current

No Charge Current

0.5

1.3

Supply Shutdown Current

ISD

VEN = 0

ïA

Reverse Current from Battery

IREV

VIN Floating, VEN = 0

VBATT = VSW = VSNSH =

VSNSL = 20V

ïA

VIN Under-Voltage Lockout

Hysteresis

VUVLO

VUVLO_HYS

3.6

3.8

4.3

300

Reference

Reference Voltage

VFB

2.486 2.5 2.514 V

FB Bias current

IFB

VFB = 2.5V

0.1 ïA

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is a registered trademark of Richtek Technology Corporation.

DS9535A-04 February 2016

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