AV34063 Просмотр технического описания (PDF) - Avic Technology
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AV34063 Datasheet PDF : 8 Pages
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AV34063
8
1
S Q Q2
R
Q1
7
2 1N5819
RSC
IP
CT
0.33
OSC
6
Vin
25V
100
VCC Comp.
5
1.25V
Ref
Reg
3
L
CT
470pF
4
220µH
R1
R2
1.2K
3.6K
VOUT
5V/500mA
CO
470
1.0µH
100
VOUT
Optional Filter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Effciency
Output Ripple With Optional Filter
Conditions
Vin = 15 V to 25 V, IO = 500 mA
Vin = 25 V, IO = 50 mA to 500 mA
Vin = 25 V, IO = 500 mA
V in = 25 V, RL = 0.1Ω
Vin = 25 V, IO = 500 mA
Vin = 25 V, IO = 500 mA
Figure9. Step–Down Converter
Results
12 mV = ±0.12%
3.0 mV = ±0.03%
120 mVpp
1.1A
83.7%
40 mVpp
8
7
RSC
6
1
8
1
2
7
2
VOUT
RSC
6
Vin
Vin
10a. External NPN Switch
N t 5)
10b. External PNP Saturated Switch(See
Figure10. External Current Boost Connections for IC Peak Greater than 1.5 A
VOUT
Copyright © Avic Electronics Corp.
6
Website: http://www.avictek.com
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