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KA7633 Datasheet

  • KA7633

  • Fixed Multi-output Regulator

  • 8頁

  • FAIRCHILD

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www.fairchildsemi.com
KA7632/KA7633
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 3.3V
鹵
2%
鈥?Fixed Precision Output 2 voltage 8V
鹵
2% (KA7632)
鈥?Fixed Precision Output 2 voltage 9V
鹵
2% (KA7633)
鈥?Control Signal Generator for Output 3 voltage (5.1V
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 KA7632/KA7633 is a multi-output positive voltage
regulator designed to provide fixed precision output voltages
of 3.3V, 8V (KA7632) / 9V (KA7633) at current up to 0.5A
and 5.1V at current up to 1A with external PNP transistor.
An internal reset circuit generates a reset pulse when the
output 1 decrease 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
Bandgap
Reference
Vin2
2
OVP
Vin1
2.5V
DEL.CAP
+
-
SCP
9 Output 1
-
+
50mV
OVP
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2001 Fairchild Semiconductor Corporation

KA7633 產(chǎn)品屬性

  • Fairchild Semiconductor

  • Fixed

  • Positive

  • 3.3 V, 5.1 V, 9 V

  • 0.5 A

  • 160 mV

  • 20 V

  • 80 mV

  • + 125 C

  • Through Hole

  • SIP-10

  • 1500 mW

  • 0 C

  • 3

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