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UC1842A-SP Datasheet(PDF) 8 Page - Texas Instruments

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No. de pieza UC1842A-SP
Descripción Electrónicos  QML Class V, Current-Mode PWM Controller
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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UC1842A-SP Datasheet(HTML) 8 Page - Texas Instruments

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Output Current, Source or Sink (A)
.01
.02 .03 .04 .05 .07 .1
.2
.3 .4 .5
.7 1.0
I
UC1842A-SP, UC1843A-SP, UC1844A-SP
SLUS872D – JANUARY 2009 – REVISED MAY 2015
www.ti.com
Electrical Characteristics (Radiation-Improved Devices) (continued)
VCC = 15 V, RT = 10 kΩ, CT = 3.3 nF, TA = TJ = –55°C to 125°C (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PWM
Maximum duty cycle
94%
96%
100%
Minimum duty cycle
0%
TOTAL STANDBY CURRENT
Start-up current
0.3
0.5
mA
Operating supply current
VFB = VISENSE = 0 V
11
17
mA
VCC Zener voltage
ICC = 25 mA
30
34
V
8.7 Typical Characteristics
Figure 1. Output Saturation Characteristics
8
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Product Folder Links: UC1842A-SP UC1843A-SP UC1844A-SP


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