DS6203B Datasheet, PDF (6/22 Pages) Richtek Technology Corporation – 5A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter with VID Control

RT6203B
Absolute Maximum Ratings (Note 1)
 Supply Voltage, VIN ----------------------------------------------------------------------------------------------- −0.3V to 20V
 Switch Voltage, SW ----------------------------------------------------------------------------------------------- −0.3V to 20.3V
BOOT Voltage ----------------------------------------------------------------------------------------------------- − 0.3V to 26.3V
 Enable Voltage, EN ----------------------------------------------------------------------------------------------- −0.3V to 20V
 Boot to Switch Voltage, Boot − SW --------------------------------------------------------------------------- −0.3V to 6V
 Other Pins ----------------------------------------------------------------------------------------------------------- −0.3V to 6V
 Power Dissipation, P_D @ T_A = 25°C
WQFN-20L 4x4 ---------------------------------------------------------------------------------------------------- 3.57W
 Package Thermal Resistance (Note 2)
WQFN-20L 4x4, θ_JA ----------------------------------------------------------------------------------------------- 28°C/W
WQFN-20L 4x4, θ_Jc ----------------------------------------------------------------------------------------------- 7°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 Voltage, VIN ---------------------------------------------------------------------------------------------- 4.5V to 18V
 Junction Temperature Range ------------------------------------------------------------------------------------ −40°C to 125°C
 Ambient Temperature Range ------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Supply Current
Shutdown Current
ISHDN
VEN = 0V
Shutdown Current by VID
ISHDN_VID Special code = 1110110
Quiescent Current
IQ
Logic Threshold
EN Input Voltage ^{Logic-Low VIL}
Logic-High VIH
EN Pull-High Current
VEN = 2V, VFB = 1V
V_FB Voltage and Discharge Resistance
Feedback Voltage
VFB
Regulation mode
Output Voltage
VOUT
I²C mode
Minimum Output Voltage
Rising Time per 10mV
Special code = 1100001 (default)
Min Typ Max Unit
--
1.5
10
A
--
75 105 A
-- 0.55 1.2 mA
--
--
0.4
V
2
--
--
--
1
--
A
0.792 0.8 0.808 V
Ideal
VOUT
1.5%
Ideal
VOUT
Ideal
VOUT
+1.5%
V
--
1
--
s
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is a registered trademark of Richtek Technology Corporation.
DS6203B-00 September 2016