RT9214
Power On
VCC Switching
(100mV/Div)
(10A/Div)
VOUT
IOUT
(500mV/Div)
VOUT
UGATE
VCC
(2A/Div)
IOUT
(20V/Div)
(10V/Div)
UGATE
VCC = 5V to 12V
IOUT= 10A, VIN = 5V
(10V/Div)
Time (500us/Div)
Time (10ms/Div)
Power Off
Dead Time (Rising)
VCC = VIN = 5V
IOUT = 25A
VCC
(10V/Div)
VOUT
UGATE
(2V/Div)
(2V/Div)
VIN
PHASE
LGATE
(5V/Div)
UGATE
(10V/Div)
IOUT = 2A
Time (5ms/Div)
Time (25ns/Div)
Dead Time (Falling)
Transient Response (Rising)
VCC = 12V
VIN = 5V
IOUT= 25A
UGATE
(10V/Div)
UGATE
VOUT
(100mV/Div)
PHASE
VCC = VIN = 12V
IOUT= 0A to 15A
(5V/Div)
LGATE
IL
L = 2.2uH
C = 2000uF
(10A/Div)
Freq. = 1/20ms, SR = 2.5A/us
Time (10ns/Div)
Time (5us/Div)
www.richtek.com
7
DS9214-13 September 2007
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
