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KA7631 Datasheet

  • KA7631

  • Fixed Multi-Output Regulator

  • 6頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
KA7630/KA7631
Fixed Multi-Output Regulator
Features
鈥?Output Currents up to 0.5A (Output1 & 2)
鈥?Output Current up to 1A with External Transistor
(Output3)
鈥?Fixed Precision Output 1 Voltage 5.1V 鹵2%
鈥?Fixed Precision Output 2 Voltage 8V 鹵2% (KA7630)
鈥?Fixed Precision Output 2 Voltage 9V 鹵2% (KA7631)
鈥?Control Signal Generator for Output 3 Voltage (12V 鹵2%)
鈥?Reset Facility for Output Voltage1
鈥?Output 2,3 with Disable by TTL Input
鈥?Current Limit Protection at Each Output
鈥?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
Vin1
1
10uA
3
Cd
100nF
RESET
Vsys
6
-
+
SW
Thermal
Shut Down
OVP
Bandgap
Reference
Vin2
2
OVP
Vin1
2.5V
DEL.CAP
+
-
SCP
9 Output 1
-
+
50mV
Vin2
10K
A614 "Y"
Control
10
Output3
7
-
+
SCP
+
-
+
-
Output 2,3
1.4V
SCP
8 Output 2
5
GND
4
Disable
Rev. 1.0.1
漏2002 Fairchild Semiconductor Corporation

KA7631 產(chǎn)品屬性

  • 18

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正,固定式

  • 5.1V,9V,12V

  • 最高 20V

  • -

  • 3

  • 500mA,1A

  • 0°C ~ 125°C

  • 通孔

  • 10-SIP,10-SIPH

  • 10-SIPH

  • 管件

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