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UC3846G-D16-T Datasheet(PDF) 4 Page - Unisonic Technologies

Part # UC3846G-D16-T
Description  CURRENT MODE PWM CONTROLLER
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3846G-D16-T Datasheet(HTML) 4 Page - Unisonic Technologies

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UC3846
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 9
www.unisonic.com.tw
QW-R103-061. C
ABSOLUTE MAXIMUM RATING (Note)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage (Pin 15)
VIN
+40
V
Collector Supply Voltage (Pin 13)
VC
+40
V
Output Current, Source or Sink (Pins 11, 14)
IO
500
mA
Analog Inputs (Pins 3, 4, 5, 6, 16)
VA
-0.3~+VIN
V
Reference Output Current (Pin 2)
IREF
-30
mA
Sync Output Current (Pin 10)
ISYNC-OUT
-5
mA
Error Amplifier Output Current (Pin 7)
IO-EA
-5
mA
Soft Start Sink Current (Pin 1)
ISINK
50
mA
Oscillator Charging Current (Pin 9)
IOSC
5
mA
Power Dissipation
TA=25°C
PD
1000
mW
TC=25°C
2000
mW
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
(TJ=TA=0°C~+70°C, VIN=15V, RT=10k, CT=4.7nF, Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
REFERENCE SECTION
Output Voltage
VREF
TJ=25°C, IO=1mA
5.0
5.1
5.2
V
Line Regulation
∆V1
VIN=8V~40V
5
20
mV
Load Regulation
∆V2
IL=1mA~10mA
3
15
mV
Temperature Stability
VS
Over Operating Range, (Note 2)
0.4
mV/°C
Total Output Variation
VREF-O
Line, Load, and Temperature (Note 2)
4.95
5.25
V
Output Noise Voltage
VN
10Hz≤f≤10kHz, TJ=25°C (Note 2)
100
µV
Long Term Stability
∆V3
TJ=125°C, 1000 Hrs. (Note 2)
5
mV
Short Circuit Output Current
IS
VREF=0V
-10
-45
mA
OSCILLATOR SECTION
Initial Accuracy
FOSC
TJ=25°C
39
43
47
kHz
Voltage Stability
∆V
VIN=8V~40V
-1
2
%
Temperature Stability
∆TS
Over Operating Range (Note 2)
-1
%
Sync Output High Level
VOH(SYNC)
3.9
4.35
V
Sync Output Low Level
VOL(SYNC)
2.3
2.5
V
Sync Input High Level
VIH(SYNC)
Pin 8=0V
3.9
V
Sync Input Low Level
VIL(SYNC)
Pin 8=0V
2.5
V
Sync Input Current
ISYNC
Sync Voltage=3.9V, Pin 8=0V
1.3
1.5
mA
ERROR AMP SECTION
Input Offset Voltage
VIO
0.5
10
mV
Input Bias Current
IBIAS
-0.6
-2
µA
Input Offset Current
IIO
40
250
nA
Common Mode Range
VCM
VIN=8V~40V
0
VIN-2V
V
Open Loop Voltage Gain
GVO
∆VO=1.2~3V, VCM=2V
80
105
dB
Unity Gain Bandwidth
B
TJ=25°C (Note 2)
0.7
1.0
MHz
CMRR
CMRRA
VCM=0V~38V, VIN=40V
75
100
dB
PSRR
PSRRA
VIN=8V~40V
80
105
dB
Output Sink Current
ISINK
VID=-15mV~-5V, VPIN 7=1.2V
2
6
mA
Output Source Current
ISOURCE
VID=15mV~5V, VPIN 7=2.5V
-0.2
-0.5
mA
High Level Output Voltage
VOH
RL=(Pin 7) 15kΩ
4.3
4.6
V
Low Level Output Voltage
VOL
0.7
1
V


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