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RT6203B Datasheet(PDF) 6 Page - Richtek Technology Corporation

Part No. RT6203B
Description  5A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter with VID Control
Download  22 Pages
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Maker  RICHTEK [Richtek Technology Corporation]
Homepage  http://www.richtek.com
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 6 page
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RT6203B
6
DS6203B-01 July 2017
www.richtek.com
©
Copyright 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
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, PD @ TA = 25
°C
WQFN-20L 4x4 ---------------------------------------------------------------------------------------------------- 3.57W
Package Thermal Resistance (Note 2)
WQFN-20L 4x4,
θJA ----------------------------------------------------------------------------------------------- 28°C/W
WQFN-20L 4x4,
θJc ----------------------------------------------------------------------------------------------- 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
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Current
Shutdown Current
ISHDN
VEN = 0V
--
1.5
10
A
Shutdown Current by VID
ISHDN_VID
Special code = 1110110
--
75
105
A
Quiescent Current
IQ
VEN = 2V, VFB = 1V
--
0.55
1.2
mA
Logic Threshold
EN Input Voltage
Logic-Low
VIL
--
--
0.4
V
Logic-High VIH
2
--
--
EN Pull-High Current
--
1
--
A
VFB Voltage and Discharge Resistance
Feedback Voltage
VFB
Regulation mode
0.792
0.8
0.808
V
Output Voltage
VOUT
I2C mode
Ideal
VOUT
1.5%
Ideal
VOUT
Ideal
VOUT
+1.5%
V
Minimum Output Voltage
Rising Time per 10mV
Special code = 1100001 (default)
--
1
--
s




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