RT4801HWSC datasheet(4/22 Pages) RICHTEK

4 / 22 page

RT4801H

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS4801H-00

May

2016

Absolute Maximum Ratings (Note 1)

 Supply Input Voltage VIN Pin ---------------------------------------------------------------------------------------0.3V to 6V



Output Voltage VOP Pins--------------------------------------------------------------------------------------------

0.3V to 7V



Output Voltage VON Pins -------------------------------------------------------------------------------------------

7V to 0.3V



Others Pin to GND ----------------------------------------------------------------------------------------------------

0.3V to 6V



Power Dissipation, PD @ TA = 25°C

WL-CSP-15B 1.31x2.07 (BSC) -----------------------------------------------------------------------------------

2.00W



Package Thermal Resistance (Note 2)

WL-CSP-15B 1.31x2.07 (BSC),

JA -----------------------------------------------------------------------------49.8°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

Recommended Operating Conditions (Note 4)



Supply Input Voltage -------------------------------------------------------------------------------------------------

2.5V to 5.5V



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

40C to 85C



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

40C to 125C

Electrical Characteristics

(VIN = 3.7V, CIN = COP = CF1 = 4.7F, CBST = CON= 10F, L1 = 2.2H, TA = 25°C, unless otherwise specified.)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Supply

Input Voltage Range

VIN

2.5

5.5

Under Voltage Lockout

Threshold Voltage

VUVLO_H

VIN Rising

2.5

VUVLO_L

VIN Falling

2.3

Over-Temperature Protection

TOTP

(Note 5)

140

°C

Over-Temperature Protection

Hysteresis

TOTP_HYST

(Note 5)

°C

Shutdown Current

ISHDN

ENP = ENN = 0V

A

Boost Converter

Boost Voltage Range

VBST

4.15

6.2

Peak Current Limit

IOCP

Boost Switching Frequency

fOSC_P

0.8

1.2

MHz

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