KA3501

Output Type :
Battery Backup Switching :
Power-Up Reset Delay (Typ) :
Manual Reset : Not Resettable
Number of Voltages Monitored : 1
Watchdog : No Watchdog
Packaging : Tube
Supply Current (Typ) : 5000 uA
Mounting Style : Through Hole
Maximum Operating Temperature : + 70 C
Overvoltage Threshold : 4.5 V
Supply Voltage - Min : 5 V
Maximum Power Dissipation : 1000 mW
Undervoltage Threshold : 4.1 V
Package / Case : DIP-14
Monitored Voltage : 4.3 V
Supply Voltage - Max : 35 V


Features:

• Complete House Keeping Circuit
• Few External Components
• Positive Voltage Protection
• Negative Voltage Protection
• High Current Drive Output for SCR
• Precision Voltage Reference for 5V/12V Outputs
• Power Good Signal Generator with Hysteresis


Pinout




Specifications

Parameter	Symbol	Value	Unit
Supply Minimum Voltage	Vcc(min)	5	V
Supply Maximum Voltage	Vcc(max)	35	V
UV Input Voltage	Vuv	24	V
Minimum Gate Drive Current	IDR	-25	V
Operating Cathode Current	IK	1 to 30	A
Power Dissipation	Pd	1	W
Operating Temperature Range	Topr	0 to 70	°C

Description

The KA3501 is complete housekeeping circuits for use in the secondary side of SMPS(Switched Mode Power Supply). This IC(Integrated Circuit) contains a precision voltage reference, protection circuits and a power good signal generator. It also has a high current drive output for use in conjunction with an external "crowbar" SCR. The reference voltage is trimmed to ±2% for correct output voltages(+5V/ +12V) and power good signal generator is to monitor the voltage level of power good supply for safe operation in a microprocessor circuit. Using the KA3501 requires few external components to accomplish a complete housekeeping circuit for SMPS(Switched Mode Power Supply). The KA3501 is available in an 14-pin DIP.

Parameters:

Technical/Catalog Information	KA3501
Vendor	Fairchild Semiconductor
Category	Integrated Circuits (ICs)
Type	-
Voltage - Supply	5 V ~ 32 V
Current - Supply	3mA
Voltage - Input	-
Package / Case	14-DIP
Packaging	Tube
Applications	Power Supply, Supervisor
Operating Temperature	0°C ~ 70°C
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	KA3501 KA3501