Preliminary
uP7718
Typical Operation Characteristics
Power On from VIN
Power On from VCNTL
VCNTL (5V/Div)
VOUT (0.5V/Div)
VIN (1V/Div)
VOUT (0.5V/Div)
POK (5V/Div)
IIN (1A/Div)
POK (5V/Div)
IIN (1A/Div)
1ms/Div
1ms/Div
VCNTL = 5V, VIN = 2.5V, COUT = 470uF, No Load.
VCNTL = 5V, VIN = 2.5V, COUT = 470uF, No Load.
Turn On from EN
Load Transient Response
EN (5V/Div)
VOUT (20mV/Div)
VOUT (0.5V/Div)
IOUT (1A/Div)
POK (5V/Div)
IIN (1A/Div)
1ms/Div
20us/Div
VCNTL = 5V, VIN = 2.5V, COUT = 470uF, No Load.
VCNTL = 5V, COUT = 10uF, IOUT = 0.1A to 3.0A
Dropout Voltage vs. Output Current
Current Limit
1.2V
1.0V
0.8V
0.6V
200mV
150mV
100mV
50mV
0.4V
0.2V
0mV
0V
0A 0.5A 1.0A 1.5A 2.0A 2.5A 3.0A
0A 1.0A 2.0A 3.0A 4.0A 5.0A 6.0A
Output Current (A)
Output Current (A)
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. P00, File Name: uP7718-DS-P0000
7
UNITPOWER [ ShenZhen XinDeYi Electronics Co., Ltd. ]
