RT7271A
Load Transient Response
Load Transient Response
VOUT
VOUT
(50mV/Div)
(50mV/Div)
IL
IL
(2A/Div)
(2A/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 1A to 4A
VIN = 12V, VOUT = 1.8V, IOUT = 3A to 6A
Time (200μs/Div)
Time (200μs/Div)
Output Voltage Ripple
Output Voltage Ripple
VOUT
VOUT
(10mV/Div)
(10mV/Div)
VLX
VLX
(10V/Div)
(10V/Div)
IL
IL
(2A/Div)
(2A/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 6A
VIN = 12V, VOUT = 1.8V, IOUT = 3A
Time (2μs/Div)
Time (2μs/Div)
Over Voltage Protection
Under Voltage Protection
VOUT
VOUT
(1V/Div)
(1V/Div)
VLX
VLX
(5V/Div)
(5V/Div)
VIN = 12V, VOUT = 1.8V, IOUT = 1A
Time (1ms/Div)
VIN = 12V, VOUT = 1.8V
Time (5μs/Div)
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8
DS7271A-00 February 2013
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
