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

номер детали UC2843BG-S08-R
подробное описание детали  HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
PDF  9 Pages
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производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC2843BG-S08-R датащи(HTML) 6 Page - 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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