US205 データシートの表示（PDF） - Unisonic Technologies
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US205 Datasheet PDF : 5 Pages
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US205
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VIN
6
V
Enable Input Voltage
EN
-0.3~6
V
Power Dissipation, @TA=25°C
PD
0.3
W
Junction Temperature
TJ
150
°C
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 CONDITIONS (TA=25°C, unless otherwise specified) (Note)
PARAMETER
SYMBOL
RATINGS
Supply Voltage
VIN
2.7~5.5
Enable Input Voltage
EN
0~5.5
Junction Temperature
TJ
-40~100
Ambient Temperature
TA
-40~85
Note: The device is not guaranteed to function outside its operating conditions.
UNIT
V
V
°C
°C
ELECTRICAL CHARACTERISTICS
(VIN=5V, CIN=1uF, COUT=0.1uF, TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Operation Voltage
Under Voltage Lookout
VIN
VUVLO
VIN Falling
Under Voltage Lockout Hysteresis
Quiescent Current
ΔVUVLO
IQ
EN=High
Off Supply Current
Off Switch Current
ISHDN
ILEAKAGE
EN=Low, VOUT=Open
EN=Low, VOUT=0
On-Resistance
Current Limiting
RDS(ON)
ILIM
VIN=3.3V, IOUT=1.3A
VIN=3.3V, VOUT=2.3V
Short Circuit Current
ISC_FB
VOUT=0V, Measured Prior
to Thermal Shutdown
Thermal shutdown Threshold
TSD
Thermal shutdown Hysteresis
EN Threshold
Enable Input Leakage
Low
High
ΔTSD
VIL
VIH
IEN
VIN=2.7V ~ 5.5V
VIN=2.7V ~ 5.5V
VEN=5.5V
Output Turn-On Delay Time
Output Turn-On Rise Time
TD_ON
TON
VIN=5V, RLOAD=10Ω
VIN=5V, RLOAD=10Ω
Output Turn-Off Fall Time
TD_OFF VIN=5V, RLOAD=10Ω
Output Pull-Down Resistance During OFF RDISCHARGE EN=Low
MIN TYP MAX UNIT
2.7
5
V
1.3 1.7 2.1 V
50
mV
20 70 μA
1
μA
1
μA
100 120 mΩ
1.5 2 2.5 A
0.4 0.8 1.5 A
130
°C
20
°C
0.8 V
2
V
1
μA
60 100 μs
1
3
ms
4 10 μs
150
Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R502-609.A
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