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UD05021G-AF5-R Datasheet(PDF) 3 Page - Unisonic Technologies

Part # UD05021G-AF5-R
Description  Thermal Shutdown Protection
PDF  7 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UD05021G-AF5-R Datasheet(HTML) 3 Page - Unisonic Technologies

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UD05021
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 7
www.unisonic.com.tw
QW-R115-010.A
ABSOLUTE MAXIMUM RATING (TA= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
VCC Pin Voltage
VIN
-0.3~7
V
SW Pin Voltage
VSW
-0.7 ~ VIN+0.3
V
EN, FB Pins Voltage
-0.3 ~ VIN+0.3
V
Continuous Power Dissipation
PD
(TJ-TA) /θJA
mW
Junction Temperature
TJ
-40 ~ +125
°C
Storage Temperature
TSTG
-65 ~ +150
°C
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. Stresses exceed those ratings may damage the device.
THERMAL CHARACTERISTICS
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
250
°C/W
Junction to Case
θJC
110
°C/W
Note: θJA is measured with the PCB copper are (need connect to GND of the UTC UD05021) of approximately 1 in
2
(Multi-layer).
ELECTRICAL CHARACTERISTICS (VIN=5V, VEN=5V, VOUT=3.3V, TA= 25°C)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage Range
VIN
2.5
5.5
V
Input UVLO
UVLO
IOUT=0A
1.8
2.2
2.5
V
Input OVLO
OVLO
IOUT=0A
6.0
V
Quiescent Current
ICCQ
VEN=1V
250
350
μA
Shutdown Current
ISD
VEN=0V
0.1
1
μA
FB Pin Voltage
VFB
0.588
0.6
0.612
V
FB Pin Current (Note)
IFB
±50
nA
Load Regulation
0A<IOUT<1.5A
0.6
%
Load Regulation
2.5V<VIN<5.5V
0.3
%/V
EN Pin Voltage High
VENH
1.5
V
EN Pin Voltage Low
VENL
0.4
V
EN Pin Leakage Current
VEN=3V
0.1
1
uA
Switching Frequency
FOSC
1.1
1.5
1.9
MHz
Current Limit
CL
VIN=3V, VFB=0.5Vor
VOUT=90%, Duty Cycle<35%
2.2
2.5
A
Switching Maximum Duty
Dmax
100
%
Minimum Duty
Dmin
0
%
P-Switch RDS(ON)
RDS(ON)-P
150
mΩ
N-Switch RDS(ON) (Note)
RDS(ON)-N
120
mΩ
Low Side Discharger
60
Ω
Thermal Shutdown
TSD
155
°C
Thermal Shutdown Protection hysteresis
TSH
30
°C
Note: Guaranteed by design.



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