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UC34463 датащи(PDF) 3 Page - Unisonic Technologies

номер детали UC34463
подробное описание детали  200KHZ, 2A PWM BUCK SWITCHING REGULATOR
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производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC34463 датащи(HTML) 3 Page - Unisonic Technologies

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UC34463
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 6
www.unisonic.com.tw
QW-R103-055.A
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
+45
V
Power Dissipation
PD
Internally limited
W
Storage Temperature
TSTG
-65 ~ +150
°C
Operating Temperature
TOPR
-40 ~ +125
°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 (V
IN=12V, ILOAD = 0.2A, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Oscillator Frequency
FOSC
170
200
220
Khz
Oscillator Frequency of Short Circuit
Protect
FSCP
When current limit occurred and
VOUT low
30
Khz
Saturation Voltage
VSAT
IOUT=1.5A no outside circuit
VOUT=0V force driver on
1.25
1.4
V
1.25
1.5
Max. Duty Cycle(ON)
DC
VOUT=0V force driver on
100
%
Min. Duty cycle(OFF)
VOUT=12V force driver off
0
Current Limit
ICL
peak current no outside circuit
VOUT=0 force driver on
2.4
2.9
3.3
A
2.4
2.9
3.6
Output Leakage
Current
Output = 0V
IL
no outside circuit
VOUT=12 force driver off
-200
uA
Output = -1V
VIN=24V
-5
mA
Quiescent Current
IQ
VOUT=12 force driver off
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF pin=5V, VIN=24V
70
150
uA
70
200
ON/OFF Pin Logic Input Threshold
Voltage
VIL
Low (regulator ON)
1.3
0.6
V
VIH
High (regulator OFF)
2.0
1.3
ON/OFF Pin Logic Input Current
IH
VLOGIC=2.5V (OFF)
0.01
uA
ON/OFF Pin Input Current
IL
VLOGIC=0.5V (ON)
-0.1
-1
Over Temperature Shutdown
Threshold
Ts
TJ increasing
175
°C
TJ decreasing
150


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