RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 14

• Manufacturer Part Number: RT8203GA
• Description: IC CTRLR SMPS STPDN DUAL 28SSOP
• Manufacturer: Richtek USA Inc

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