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UC3842BP-S08-R Datasheet(PDF) 4 Page - Unisonic Technologies

Part # UC3842BP-S08-R
Description  HIGH PERFORMANCE CURRENT MODE CONTROLLERS
PDF  11 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3842BP-S08-R Datasheet(HTML) 4 Page - Unisonic Technologies

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UC3842B/3843B
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 11
www.unisonic.com.tw
QW-R103-012.F
ABSOLUTE MAXIMUM RATINGS(TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Total Power Supply and Zener Current
(ICC + IZ)
30
mA
Output Current, Source or Sink (Note 2)
IO
1.0
A
Output Energy (capacitive load per cycle)
W
5.0
μJ
Current Sense and Voltage Feedback Inputs
VIN
-0.3 ~ +5.5
V
Error Amp. Output Sink Current
IO(SINK)
10
mA
DIP-8
1250
mW
Power Dissipation
SOP-8
PD
800
mW
Operating Junction Temperature
TJ
+150
°C
Operating Temperature
TOPR
0 ~ +70
°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. Maximum Package power dissipation limits must be observed.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
DIP-8
100
C/W
Junction to Ambient
SOP-8
θJA
156
C/W
ELECTRICAL CHARACTERISTICS
(0°C ≤TA≤70°C, VCC=15V (Note 1), RT=10k, CT=3.3nF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE SECTION
Output Voltage
VREF
IO=1.0mA, TJ =25°C
4.9
5.0
5.1
V
Line Regulation
∆VLINE
VCC=12V ~ 25V
2.0
20
mV
Load Regulation
∆VLOAD
IO=1.0mA ~ 20mA
3.0
25
mV
Temperature Stability
TS
0.2
mV/°C
Total Output Variation
VREF
Line, Load, Temperature
4.82
5.18
V
Output Noise Voltage
eN
F=10kHz ~ 10Hz, TJ =25°C
50
μV
Long Term Stability
S
TA=125°C,1000Hrs
5
mV
Output Short Circuit Current
ISC
-30
-85
-180
mA
OSCILLATOR SECTION
TJ =25°C
49
52
55
TA=0°C ~ 70°C
48
56
Frequency
F
TJ =25°C (RT=6.2k,CT=1.0nF)
225
250
275
kHz
Frequency Change with Voltage
fOSC/V 12 ≤ VCC ≤25V
0.2
1.0
%
Frequency Change with
Temperature
fOSC/T 0°C ≤TA ≤70°C
0.5
%
Oscillator Voltage Swing
(Peak to Peak)
VOSC
1.6
V
TJ =25°C
7.8
8.3
8.8
Discharge Current
IDISCHG
0°C ≤TA ≤70°C
7.6
8.3
8.8
mA



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