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PDF KA7500B Data sheet ( Hoja de datos )
| Número de pieza | KA7500B | |
| Descripción | SMPS Controller | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KA7500B (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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KA7500B
SMPS Controller
www.fairchildsemi.com
Features
• Internal Regulator Provides a Stable 5V Reference Supply
Trimmed to 5%
• Uncommitted Output TR for 200mA Sink or Source
Current
• Output Control For Push-Pull or Single Ended Operation
• Variable Duty Cycle By Dead Time Control (Pin 4)
Complete PWM Control Circuit
• On-Chip Oscillator With Master or Slave Operation
• Internal Circuit Prohibits Double Pulse at Either Output
Description
The KA7500B is used for the control circuit of the PWM
switching regulator. The KA7500B consists of 5V reference
voltage circuit, two error amplifiers, a flip flop, an output
control circuit, a PWM comparator, a dead time comparator
and an oscillator. This device can be operated in the
switching frequency of 1kHz to 300kHz.
16-DIP
1
16-SOP
1
Internal Block Diagram
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.0
1 page  
Mechanical Dimensions
Package
6.40 ±0.20
0.252 ±0.008
16-DIP
#1 #16
KA7500B
#8
7.62
0.300
#9
3.25 ±0.20
0.128 ±0.008
5.08
0.200
MAX
0~15°
0.25
+0.10
–0.05
0.010
+0.004
–0.002
0.38
0.014
MIN
3.30 ±0.30
0.130 ±0.012
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet KA7500B.PDF ] | |
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