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KA3882 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. KA3882
Description  SMPS CONTROLLER
Download  5 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA3882 Datasheet(HTML) 4 Page - Fairchild Semiconductor

  KA3882 Datasheet HTML 1Page - Fairchild Semiconductor KA3882 Datasheet HTML 2Page - Fairchild Semiconductor KA3882 Datasheet HTML 3Page - Fairchild Semiconductor KA3882 Datasheet HTML 4Page - Fairchild Semiconductor KA3882 Datasheet HTML 5Page - Fairchild Semiconductor  
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KA3882/3/4/5
SMPS CONTROLLER
ELECTRICAL CHARACTERISTICS(Continued)
(VCC = 15V, RT = 10K
`, CT = 3.3nF, TA = 0Îto +85Î, unless otherwise specified)
Adjust VCC above the start threshold bifore setting at 15V
NOTE 1. These parameters, although guaranteed, are not 100% tested in production.
2. Parameter measured at trip point of latch with V2 = 0V.
3. Gain defined as: GV =
LVPIN1LVPIN3(VPIN3 = 0 to 0.8V)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
PWM SECTION
KA3882/3
94
96
100
%
KA3884/5
47
48
50
%
Minimum Duty Cycle
DMIN
ïï
ï
0%
TOTAL STANDBY CURRENT
Start-Up Current
IST
ïï
0.2
0.4
mA
Operating Supply Current
ICC
VPIN2 = VPIN3 = 0V
ï
11
17
mA
VCC Zener Voltage
VZ
ICC = 25mA
ï
29
ï
V
Maximum Duty Cycle
DMAX


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