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UC2843BG-S08-R Datasheet(PDF) 6 Page - Unisonic Technologies

Part # UC2843BG-S08-R
Description  HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
PDF  9 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC2843BG-S08-R Datasheet(HTML) 6 Page - Unisonic Technologies

  UC2843BG-S08-R Datasheet HTML 1Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 2Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 3Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 4Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 5Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 6Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 7Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 8Page - Unisonic Technologies UC2843BG-S08-R Datasheet HTML 9Page - Unisonic Technologies  
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UC2843B
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
6 of 9
www.unisonic.com.tw
QW-R103-048.a
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
UNDERVOLTAGE-LOCKOUT SECTION
Startup Threshold
VTH
7.8
8.4
9
V
Minimum Operating Voltage
After Start-Up
VCC(MIN)
7
7.6
8.2
V
PULSE-WIDTH MODULATOR SECTION
Maximum Duty Cycle
DC(MAX)
94
96
100
%
Minimum Duty Cycle
DC(MIN)
0
%
SUPPLY VOLTAGE
Power Startup Supply Current
ICC+IC
0.3
0.5
mA
Power Operating Supply Current
ICC+IC
VFB and ISENSE at 0V
11
17
mA
Power Supply Zener Voltage
VZ
ICC =25mA
30
34
V
Notes: 1. Adjust VCC above the start threshold before setting it to 15V.
2. Measured at the trip point of the latch, with VFB at 0V.
3. Measured between ISENSE and COMP, with the input changing from 0V ~ 0.8V.



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