Product Summary

The KA7500C is a SMPS Controller. It is used for the control circuit of the PWM switching regulator. The KA7500C 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. The KA7500C can be operated in the switching frequency of 1kHz to 300kHz.

Parametrics

KA7500C absolute maximum ratings: (1)Supply Voltage VCC: 42 V; (2)Collector Supply Voltage VC: 42 V; (3)Output Current IO: 250 mA; (4)Amplifier Input Voltage VIN: VCC +0.3 V; (5)Power Dissipation (TA = 25℃) PD: 1 W; (6)Operating Temperature Range TOPR: -25 to 85 ℃; (7)Storage Temperature Range TSTG: -65 ~ +150 ℃.

Features

KA7500C features: (1)Internal Regulator Provides a Stable 5V Reference Supply Trimmed to 5%; (2)Uncommitted Output TR for 200mA Sink or Source Current; (3)Output Control For Push-Pull or Single Ended Operation; (4)Variable Duty Cycle By Dead Time Control (Pin 4) Complete PWM Control Circuit; (5)On-Chip Oscillator With Master or Slave Operation; (6)Internal Circuit Prohibits Double Pulse at Either Output.

Diagrams

KA7500C block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
KA7500C
KA7500C
Fairchild Semiconductor
Switching Converters, Regulators & Controllers SMPS Controller
Data Sheet
0-1: $0.44
1-25: $0.34
25-100: $0.30
100-250: $0.26
KA7500C_Q
KA7500C_Q
Fairchild Semiconductor
DC/DC Switching Controllers SMPS Controller
Data Sheet
0-1: $0.17
1-25: $0.17
25-100: $0.16
100-250: $0.16
KA7500CD
KA7500CD
Fairchild Semiconductor
Switching Converters, Regulators & Controllers SMPS Controller
Data Sheet
Negotiable 
KA7500CDTF
KA7500CDTF
Fairchild Semiconductor
Switching Converters, Regulators & Controllers SMPS Controller
Data Sheet
0-1: $0.35
1-25: $0.28
25-100: $0.20
100-250: $0.18