RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 14
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RT8203GA
Manufacturer Part Number
RT8203GA
Description
IC CTRLR SMPS STPDN DUAL 28SSOP
Manufacturer
Richtek USA Inc
Datasheet
1.RT8203GA.pdf
(24 pages)
Specifications of RT8203GA
Output Isolation
Isolated
Frequency Range
Adjustable, Selectable
Voltage - Input
7 V ~ 24 V
Voltage - Output
Selectable
Power (watts)
1.05W
Operating Temperature
-10°C ~ 85°C
Package / Case
28-SSOP (0.150", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
V
(100mV/Div)
OUT_ac-coupled
RT8203
www.richtek.com
14
(10V/Div)
Inductor
LGATE5
(5A/Div)
(5V/Div)
Current
(2V/Div)
(2V/Div)
(2V/Div)
(2V/Div)
(5V/Div)
(2V/Div)
VOUT3
VOUT5
LDO3
LDO5
V
REF
ON3
IN
VOUT5 Load Transient Response
ON3 = ON5 = VCC, C
V
IN
= 12V, SKIP = VCC(Forced CCM Mode)
Time (400
Delayed Start
Time (400
Time (20
Power Up
V
IN
= 12V, ON3 = ON5 = GND
μ
μ
μ
s/Div)
OUT
s/Div)
s/Div)
V
IN
= 330μF, L = 7.6μH
= 12V, ON5 = REF
V
(100mV/Div)
OUT_ac-coupled
(10V/Div)
(20V/Div)
UGATE5
LGATE5
(5V/Div)
Inductor
LGATE3
Current
(5A/Div)
(5V/Div)
(2V/Div)
(5V/Div)
(5V/Div)
(2V/Div)
VOUT5
VOUT5
VOUT3
ON5
ON5
VOUT3 Load Transient Response
ON3 = ON5 = VCC, C
V
IN
Shutdown Response
= 12V, SKIP = VCC(Forced CCM Mode)
Delayed Start
Time (400
Time (10ms/Div)
Time (10
SKIP = VCC(Forced CCM Mode)
V
IN
DS8203-04 March 2011
= 12V, ON3 = ON5 = VCC
μ
μ
OUT
s/Div)
s/Div)
V
IN
= 470μF, L = 4.7μH
= 12V, ON3 = REF