US202 데이터 시트보기 (PDF) - Unisonic Technologies
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US202 Datasheet PDF : 5 Pages
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US202/A
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
Chip Enable
VIN
6
V
VCE
-0.3 ~ 6
V
Power Dissipation (TA = 25°C)
PD
Junction Temperature
TJ
0.25
W
-20 ~ +100
°C
Storage Temperature
TSTG
-65 ~ +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.
ELECTRICAL CHARACTERISTICS
(VIN = 5V, CIN = COUT = 1μF, TA = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Input Voltage Range
VIN
Output NMOSFET RDS(ON)
RDS(ON) IL=1A
MIN TYP MAX UNIT
2.7
5.5 V
85 100 mΩ
Supply Current
VIN=5V
28 65 µA
Output Turn-On Rising Time
Current Limit Threshold
Short-Circuit Fold Back Current
EN Input High Threshold
EN Input Low Threshold
Shutdown Supply Current
Output Leakage Current
VIN Under Voltage Lockout
VIN Under Voltage Hysteresis
Thermal Limit
Thermal Limit Hysteresis
TR
RL= 10Ω, 90% Settling
400
µS
ILIMIT
US202
1.1 1.5 2.0 A
US202A 2.1 2.5 3.2 A
ISC(FB)
VOUT = 0V, measured prior to
thermal shutdown
1.0
A
VIH
2.0
V
VIL
IOFF
EN = “0”
0.8 V
0.1 1.0 µA
II(LEAK)
UVLO
EN = “0”, VOUT = 0V
0.5 10 µA
1.2 1.8
V
100
mV
TSD
130
°C
∆TSD
20
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R502-445.F
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