4
DS8088A-01 August 2017www.richtek.com
RT8088A
©
Copyright 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Absolute Maximum Ratings (Note 1)
Supply Input Voltage, VIN ---------------------------------------------------------------------------------------- −0.3V to 6.5V
Other Pins------------------------------------------------------------------------------------------------------------ −0.3V to (V
IN
+ 0.3V)
Power Dissipation, P
D
@ T
A
= 25°C
WL-CSP-15B 1.31x2.11 (BSC) --------------------------------------------------------------------------------- 2W
Package Thermal Resistance (Note 2)
WL-CSP-15B 1.31x2.11 (BSC), θ
JA
---------------------------------------------------------------------------- 49.8°C/W
Junction Temperature ---------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------ 260°C
Storage Temperature Range ------------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model)--------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
Supply Input Voltage, VIN ---------------------------------------------------------------------------------------- 2.5V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(V
IN
= 3.7V, T
A
= 25°C, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Under-Voltage Lockout
Threshold
V
UVLO
V
CC
Rising -- 2.35 -- V
Shutdown Supply Current I
SHDN
EN = 0V -- 1 5 A
Quiescent Current I
Q
Active, V
SENSE
= 0.9V, No Switching -- 75 100 A
Voltage Reference V
REF
At any set point, with a load from 0
to 3A and over input voltage range
2 -- 2 %
Soft-Start Time t
SS
-- -- 150 s
Logic-High V
EN_H
Rising 1.05 -- --
Enable Input
Voltage
Logic-Low V
EN_L
Falling -- -- 0.4
V
High-Side R
ONH
-- 48 --
Switch
On-Resistance
Low-Side R
ONL
-- 22 --
m
Current Limit Threshold I
CL
Valley Current, IPEAK [1:0] = 11 -- 3.9 -- A
Thermal Shutdown Threshold T
S
-- 150 -- C
Switching Frequency f
OSC
-- 2.7 -- MHz
