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US204_15 Datasheet, PDF (4/6 Pages) Unisonic Technologies – 1/1.5A HIGH-SIDE POWER SWITCHES WITH FLAG
US204
Preliminary
CMOS IC
„ ABSOLUTE MAXIMUM RATING(Ta=25°С, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
6.0
V
VCC
+2 ~ +5.5 (Note 2)
V
Input/Output Pins
CTL
VCTL
-0.3~ +6.0
V
0 ~ +5.5 (Note 2)
V
FLG
V FLG
6.0
V
Power Dissipation (Ta=25°С)
Junction Temperature
PD
0.3
W
150
℃
TJ
-20 ~ +100 (Note 2)
℃
Storage Temperature
TSTG
-65 ~ +150
℃
Notes:1. 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.
2. The device is not guaranteed to function when it’s beyond its operating conditions.
„ ELECTRICAL CHARACTERISTICS
PARAMETER
ENABLE INPUT
CTL Threshold
CTL Input Current
UNDER VOLTAGE LOCK
Under-Voltage Lockout
Under-Voltage Hysteresis
SUPPLY CURRENT
Low
High
Supply Current
Output Leakage Current
CURRENT LIMIT
Current Limit
Short Circuit Fold-Back Current
POWER SWITCH
Switch ON Resistance
Output Turn-ON Rise Time
OVER CURRENT FLAG
FLAG OFF Current
FLAG Output Resistance
US204Ax
US204Cx
US204Ax
US204Cx
US204Ax
US204Cx
FLAG Delay Time
THERMAL SHUTDOWN
Thermal Shutdown Protection
Thermal Shutdown Hysteresis
SYMBOL
TEST CONDITIONS
VIL
VIH
II(CTL)
VIN=2V~5.5V, Switch OFF
VIN=2V~5.5V, Switch ON
VCTL=0V~5.5V
VUVLO VIN increasing
∆VUVLO VIN decreasing
ISW(ON)
ISW(OFF)
IO(LEAK)
Switch on, VOUT=OPEN
Switch off, VOUT=OPEN
VCTL=0V, RLOAD=0Ω
ILIMIT
ISC(FB)
VOUTX=4V
VOUT=0V, measured prior to
thermal shutdown
MIN
2.0
1.5
1.1
RDS(ON)
tON(RISE)
IOUT=1.3A, VIN=5V,Each Channel
IOUT= 1A, VIN=5V,Each Channel
10% ~ 90% of VOUT rising
I FLG(OFF) VFLG =5V
R FLG
ISINK=1mA
tD
From fault condition to FLG
5
assertion
TSD
∆TSD
TYP
0.01
2.1
0.1
65
0.1
0.5
2.0
1.5
1.4
1.0
100
100
400
0.01
20
12
130
20
MAX UNIT
0.8 V
V
µA
V
V
90 µA
1 µA
1 µA
2.8 A
2.1 A
A
A
110 mΩ
110 mΩ
µs
1 µA
400 Ω
15 ms
℃
℃
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 6
QW-R502-601.a