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US1528_15 Datasheet, PDF (4/8 Pages) Unisonic Technologies – USB HIGH-SIDE POWER SWITCH ADVANCE INFORMATION
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US1528
Preliminary
CMOS IC
„ ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VIN
+6.0
V
Fault Flag Voltage
VFLG
+6.0
V
Fault Flag Current
IFLG
50
mA
Output Voltage
VOUT
+6.0
V
Output Current
IOUT
Internally Limited
Enable Input
VEN
-0.3~6
V
Storage Temperature
TSTG
-65~+150
°C
Notes: 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.
„ OPERATING RATINGS
PARAMETER
Supply Voltage
Ambient Operating Temperature
„ THERMAL DATA
SYMBOL
VIN
TOPR
RATINGS
+3~+5.5
-40~85
UNIT
V
°C
PARAMETER
Junction to Ambient
SYMBOL
θJA
„ ELECTRICAL CHARACTERISTICS (VIN=+5V, TA=25°C)
RATINGS
160
UNIT
°C/W
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
IN Supply Current (Note)
IS(OFF) switch off, OUT = open
IS(ON) switch on, OUT = open
1
5
µA
100 160 µA
EN/EN Enable Threshold
VIH low to high transition
VIL high to low transition(Note)
2.5 V
0.8
V
EN/EN Input Current
IEN(H)
IEN(L)
VEN= VOH(min)= 2.5V
VEN= VOL(max)= 1.0V
0.01 1
µA
0.01 1
µA
EN/EN Input Capacitance
1
pF
Switch Resistance
RON
VIN= 5V, IOUT=500mA
VIN= 3.3V, IOUT=500mA
110 140 mΩ
130 180 mΩ
OUT Turn-On Delay
tON RL=10Ω
0.03
ms
OUT Turn-On Rise Time
tR RL=10Ω, CL=100µF
0.5
ms
OUT Turn-Off Delay
tOFF RL=10Ω
1
20 µs
OUT Turn-Off Fall Time
tF RL=10Ω
1
20 µs
OUT Leakage Current
IO(LEAK)
1
10 µA
Short Circuit Current Limit
ISHORT Enable into load
1.0 1.4 2.0 A
Circuit Limit Threshold
Ramped load applied to enabled output
2.0 2.7 3.5 A
Overtemperature Shutdown
Threshold
OTThreshold
TJ increasing
TJ decreasing
135
°C
125
°C
FLG Output Resistance
RON(FLAG)
VIN=5V, IL=10mA
VIN=3.3V, IL=10mA
10 25
Ω
15 40
Ω
FLG Off Current
IFLAG VFLAG=5V
0.01 1
µA
UVLO Threshold
VUVLO
VIN=increasing
VIN=decreasing
2.5
V
2.3
V
Note:For the UTC US1528, off is ≥ 2.5V and on is ≤ 0.8V. The enable input, EN has approximately 200mV of hysteresis.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R502-457.b
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