DS6203B Datasheet, PDF (12/22 Pages) Richtek Technology Corporation – 5A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter with VID Control

RT6203B
UVLO Voltage vs. Temperature
4.40
4.20
4.00
Rising
3.80
3.60
Falling
3.40
3.20
-50 -25
VOUT = 1.2V, IOUT = 0A
0
25 50 75
Temperature (°C)
100 125
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-50
EN Pin Threshold vs. Temperature
Rising
Falling
VIN = 12V, VOUT = 1.2V, IOUT = 0A
-25
0
25 50 75 100 125
Temperature (°C)
VOUT
(20mV/Div)
Load Transient Response
VIN = 12V, VOUT = 1.2V, IOUT = 0A to 5A,
L = 1.5μH, COUT = 22μF x 2
VOUT
(20mV/Div)
Output Ripple Voltage
VIN = 12V, VOUT = 1.2V, IOUT = 0A,
L = 1.5μH, COUT = 22μF x 2
IOUT
(2A/Div)
VOUT
(20mV/Div)
VSW
(5V/Div)
Time (100μs/Div)
VSW
(5V/Div)
Output Ripple Voltage
VIN = 12V, VOUT = 1.2V, IOUT = 5A,
L = 1.5μH, COUT = 22μF x 2
Time (2μs/Div)
VOUT
(400mV/Div)
VSW
(5V/Div)
VEN
(3V/Div)
IOUT
(5A/Div)
Time (2μs/Div)
Power On from EN
VIN = 12V, VOUT = 1.2V,
IOUT = 5A
Time (2ms/Div)
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12
is a registered trademark of Richtek Technology Corporation.
DS6203B-00 September 2016