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KA7500B

DC/DC Switching Controllers SMPS Controller

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SeekIC No. : 00495108 Detail

KA7500B: DC/DC Switching Controllers SMPS Controller

KA7500B Data Sheet

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Part Number:
KA7500B
Mfg:
Fairchild Semiconductor
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Quick Details

Input Voltage : 42.3 V Output Current : 0.25 A
Number of Outputs : 2 Maximum Operating Temperature : + 70 C
Mounting Style : Through Hole Package / Case : PDIP W    

Description

Switching Frequency :
Output Voltage :
Duty Cycle (Max) :
Number of Outputs : 2
Mounting Style : Through Hole
Maximum Operating Temperature : + 70 C
Output Current : 0.25 A
Package / Case : PDIP W
Input Voltage : 42.3 V


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


Specifications

Characteristic
Symbol
Value
Unit
Supply Voltage
VCC
42
V
Collector Supply Voltage
VC
42
V
Output Current
IO
250
mA
Amplifier Input Voltage
VIN
VCC +0.3
mA
Power Dissipation (TA = 25°C)
PD
1 (KA7500B)
0.9 (KA7500BD)
W
Operating Temperature
TOPR
0 ~ +70
°C
Storage and Junction Temperature
TSTG
-65 ~ +150
°C



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 KA7500B can be operated in the switching frequency of 1kHz to 300kHz.




Parameters:

Technical/Catalog InformationKA7500B
VendorFairchild Semiconductor
CategoryIntegrated Circuits (ICs)
PWM TypeController
Number of Outputs1
Package / Case16-DIP
PackagingTube
Duty Cycle45%
Voltage - Supply7 V ~ 42 V
Frequency-Max300kHz
BuckNo
BoostNo
FlybackNo
InvertingNo
DoublerNo
DividerNo
CukNo
IsolatedNo
Drawing Number*
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names KA7500B
KA7500B



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