RT8204A
VOUT_ac
(50mV/Div)
VOUT1 Load Transient Response
ILOAD
(5A/Div)
UGATE
(20V/Div)
LGATE
(5V/Div)
VIN = 12V, EN = Floating, IOUT1 = 0A to 6A
Time (10μs/Div)
VOUT
(1V/Div)
UGATE
(10V/Div)
LGATE
(5V/Div)
OVP
VIN = 12V, EN = 5V, No Load
Time (40μs/Div)
VOUT
(1V/Div)
Inductor
Current
(10A/Div)
UGATE
(20V/Div)
LGATE
(5V/Div)
UVP
VIN = 12V, EN = Floating, No Load
Time (20μs/Div)
VOUT
(1V/Div)
ILOAD
(10A/Div)
UGATE
(20V/Div)
LGATE
(5V/Div)
Power On in Short Condition
VIN = 12V, EN = Floating, VOUT1 Short
Time (800μs/Div)
VOUT_ac-coupled
(100mV/Div)
LDO Load Transient Response
VIN = 1.25V, COUT = 10μF x 2, IOUT2 = 0.1A to 4A
LDRI
(2V/Div)
ILOAD
(5A/Div)
Time (100μs/Div)
VOUT
(1V/Div)
LDRI
(2V/Div)
LEN
(5V/Div)
LPGOOD
(5V/Div)
LDO Power On from LEN
VIN = 1.25V, COUT = 10μF x 2, No Load
Time (100μs/Div)
www.richtek.com
10
DS8204A-05 April 2011