US2075C
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATINGS (Ta=25°С)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
-0.3 ~ +6
V
Flag Voltage
VFLAG
-0.3 ~ +6
V
Flag Current
IFLAG
50
mA
Output Voltage
VOUT
VIN+0.3
V
Output Current
IOUT
-0.1 ~ +0.5
A
Control Input
VCTL
-0.3 ~ +6
V
Total Power Dissipation
PD
300
mW
Junction Temperature
TJ
+150
°С
Operating Temperature
TOPR
0 ~ +85
°С
Storage Temperature
TSTG
-55 ~ +150
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING RANGE
PARAMETER
Thermal Shutdown Protection
SYMBOL TEST CONDITIONS
Temperature Rising
TSHDN Temperature Hysteresis
MIN TYP MAX
150
5
10
DC ELECTRICAL CHARACTERISTICS (VIN=+5V, TOPR=+25°С, Unless otherwise specified)
UNIT
°С
°С
PARAMETER
SYMBOL TEST CONDITIONS
Input Voltage
VIN
CTL Voltage, Low
VIL CTL Pin (Note)
CTL Voltage, High
VIH CTL Pin (Note)
VIN=Increasing
Under-Voltage Lockout
VUVLO VIN=Decreasing
Hysteresis Voltage
Supply Current
ISW_ON
ISW_OFF
VCTL = VIN,
VOUT1=VOUT2=Open
VCTL = GND,
VOUT1=VOUT2=Open
Output Leakage Current
IO(LEAK) VCTL = GND
Flag Leakage Current
IF(LEAK) VFLAG=5V
Current Limit
ILIMIT Ta=0~80°С
Flag Output Resistance
ROUT IL=10mA
Output MOSFET on-Resistance
RON IOUT=500mA
Note: ON is CTL>2.0V and OFF is CTL<1.0V.
AC ELECTRICAL CHARACTERISTICS
MIN TYP MAX UNIT
3.5
5
5.5
V
1.0
V
2.0
V
2.2
2.5
2.8
V
2.0
2.3
2.6
V
0.05
0.25
V
100 μA
1
5
μA
10
μA
0.1
1
μA
0.6
0.9 1.25
A
10
20
Ω
105 145 mΩ
PARAMETER
SYMBOL TEST CONDITIONS
Output Turn-on Rise Time
tR RL=10Ω, Per Output
Output Turn-off Fall Time
tF RL=10Ω, Per Output
Over-Current Detection Delay Time
tDELAY
Over-Current Detection Output Rise Time tDECR RL=10Ω, Per Output
MIN TYP MAX UNIT
2.5
5
8
ms
10
μs
20
μs
2.5
5
8
ms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 10
QW-R502-255,b