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KA7630 Datasheet PDF - Fairchild

Part Number KA7630
Description Fixed Multi-Output Regulator
Manufacturers Fairchild 
Logo Fairchild Logo 



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KA7630 datasheet, circuit
KA7630/KA7631
Fixed Multi-Output Regulator
www.fairchildsemi.com
Features
• Output Currents up to 0.5A (Output1 & 2)
• Output Current up to 1A with External Transistor
(Output3)
• Fixed Precision Output 1 Voltage 5.1V ±2%
• Fixed Precision Output 2 Voltage 8V ±2% (KA7630)
• Fixed Precision Output 2 Voltage 9V ±2% (KA7631)
• Control Signal Generator for Output 3 Voltage (12V ±2%)
• Reset Facility for Output Voltage1
• Output 2,3 with Disable by TTL Input
• Current Limit Protection at Each Output
• Thermal Shut Down
Description
The KA7630/KA7631 is a multi-output positive voltage
regulator designed to provide fixed precision output voltages
of 5.1V, 8V (7630) / 9V(7631) at current up to 0.5Aand 12V
at current up to 1A with external PNP transistor.
An internal reset circuit generates a reset pulse when the
output 1 decreases below the regulated value. Output2 & 3
can be disabled by TTL input. Protection features include
over voltage protection, short circuit protection and thermal
shutdown.
10-SIP H/S
Internal Block Diagram
DEL.CAP
3
Cd
100nF
6
RESET
Vsys
10K
A614 "Y"
7
Control
10
Output 3
Vin1
1
10uA
-
+
SW
Bandgap
Reference
-
+
50mV
Vin2
2
2.5V
OVP
+
-
SCP
Vin1
9 Output 1
Thermal
Shut Down
OVP Vin2
-
+
SCP
+
-
Output 2,3
+
-
SCP
1.4V
8 Output 2
5
GND
4
Disable
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.1

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1 page
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KA7630 equivalent
Ordering Information
Product Number
KA7630
KA7631
Package
10-SIP-H/S
Operating Temperature
0°C to +125°C
KA7630/KA7631
5

5 Page
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Information Total 6 Pages
Download[ KA7630.PDF Datasheet ]

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