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DS6203B Datasheet, PDF (7/22 Pages) Richtek Technology Corporation – 5A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter with VID Control
Parameter
Maximum Output Voltage
Rising Time per 10mV
VPVCC Output
VPVCC Output Voltage
Line Regulation
Load Regulation
Output Current
Symbol
Test Conditions
Special code = 1101000
VPVCC
VLINE 
VLOAD
IPVCC
6V = VIN = 18V,
0 < IPVCC < 5mA
6V = VIN = 18V, IPVCC = 5mA
0 < IPVCC < 5mA
VIN = 6V, VPVCC = 4V
RDS(ON)
Switch-On Resistance
RDS(ON)_H VBOOT – VSW = 5V
RDS(ON)_L
Current Limit
Special code = 1110000 (default)
Current Limit
ILIM
Special code = 1110001
Special code = 1110010
On-Time Timer Control
Switching Frequency
Minimum Off-Time
fSW
tOFF(MIN)
Soft-Start
SS Charge Current
VSS = 0V
UVLO
UVLO Threshold
Wake Up VPVCC
Hysteresis
Power Good
PGOOD Threshold
FB rising
FB falling
PGOOD Fault Delay
Special code = 1111001 (default)
PGOOD Sink Current
PGOOD = 0.5V
Output Under-Voltage and Over-Voltage Protection
OVP Trip Threshold
OVP detect
OVP Prop Delay
UVP Trip Threshold
OVP detect
UVP Prop Delay
Thermal Shutdown
Thermal Shutdown
Threshold
Special Code = 1110011 (default)
TSD
Special Code = 1110100
Special Code = 1110101
RT6203B
Min Typ Max Unit
--
8
--
s
4.8 5 5.2 V
--
--
20 mV
--
--
30 mV
100 210 -- mA
--
60 100
m
--
30
50
5.8 7 8.2
4.15 5 5.85 A
2.4 3 3.6
-- 700 -- kHz
-- 230 --
ns
5
6
7
A
3.55 3.85 4.15
V
-- 0.4 --
90 92.5 95
%
-- 87.5 --
%
--
10
--
s
5
--
-- mA
120 125 130 %
-- 120 --
s
70 75
80
%
-- 250 --
s
-- 150 --
-- 130 --
°C
-- 110 --
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS6203B-00 September 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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