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H78LXX Datasheet(HTML) 7 Page - Hi-Sincerity Mocroelectronics

Part No. H78LXX
Description  3-TERMINAL POSITIVE VOLTAGE REGULATORS
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Maker  HSMC [Hi-Sincerity Mocroelectronics]
Homepage  http://www.hsmc.com.tw
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H78LXX Datasheet(HTML) 7 Page - Hi-Sincerity Mocroelectronics

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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200403
Issued Date : 2004.03.01
Revised Date : 2004.08.31
Page No. : 7/10
H78LXXAM / BM, H78LXXAA / BA
HSMC Product Specification
Test Circuits
Application Circuits
Constant Current Regulator
Circuit for Increasing Output Voltage
Adjustable Output Regulator
High Output Current with Short-circuit Protection
31
2
H78LXX
Series
VOUT
VIN
RL
270pF
100
31
2
H78LXX
Series
VOUT
VIN
CIN
0.33uF
COUT
0.1uF
DC Parameter
CIN
0.33uF
Load Regulation
VOUT
0V
31
2
H78L05
Series
VOUT
VIN
RL
Ripple Rejection
+
-
+
-
DC 9V
V
OUT=VOUT(IC)+VZ
I
1=VOUT(IC)/R1
V
OUT=VOUT(IC)(1+R2/R1)+R2*IB
V
OUT=VOUT(IC)(1+R2/R1)
R
1≤VBE1/IB(max)
R
SC=VBE2/ISC, ISC: Short-Circuit Current
31
2
H78LXX
Series
VOUT
VIN
0.33uF
R1
IR1
0.1uF
10uF
31
2
H78LXX
Series
VOUT
VIN
0.33uF
R1
IB
0.1uF
10uF
R2
31
2
H78LXX
Series
VOUT
VIN
0.33uF
R1
IB
0.1uF 10uF
R2
+
-
31
2
H78LXX
Series
VOUT
VIN
0.33uF
R1
0.1uF
10uF
Rsc
Q1
Q2


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