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PDF AX34063AP Data sheet ( Hoja de datos )
| Número de pieza | AX34063AP | |
| Descripción | DC-to-DC Converter Integrate Circuit Devices | |
| Fabricantes | Avantics | |
| Logotipo |  |
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AX34063AP / AX34063AS
DC-to-DC Converter Integrate Circuit Devices
Page No. : 1/7
Description
The AX34063A Series is a monolithic control circuit containing the primary functions required
for DC-to-DC converters. These devices consist of an internal temperature compensated
reference, comparator, controlled duty cycle oscillator with an active current limit circuit,
driver and high current output switch. This series was specifically by Avantics
Microelectronics Corp.
Features
• 3V to 40V Input Voltage Operation
• Internal 1.6A Peak Current Switch
• Internal ±1.8% Reference
• Low Quiescent Current at 1.6mA
• Frequency Operation from 100Hz~100KHz
• Output Voltage Adjustable
• Active Current Limiting
• Step-Up, Step-Down or Inverting Switching Regulators
8-Lead Plastic DIP-8
Package Code: P
•
8-Lead Plastic SO-8
Package Code: S
Pin Connections
87 65
12 34
Pin1: Switch Collector (SWC)
Pin2: Switch Emitter (SWE)
Pin3: Timing Capacitor (TC)
Pin4: Ground (GND)
Pin5: Comparator Inverting Input (FB)
Pin6: Voltage Supply (Vcc)
Pin7: Ipk Sense (Ipk)
Pin8: Voltage Driver Collector (DRC)
Absolute Maxium Rating
Parameter
Power Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage
Switch Emitter to Collector Voltage
Driver Collector Voltage
Switch Current
Power Dissipation at TJ=20oC
Operating Ambient Temperature Range
Storage Temperature Range
Operating Junction Temperature
Thermal Resistance Junction-ambient
Symbol
VCC
Vir
VC(SW)
VSWE
VCE
VC(DR)
ISW
PD
Topr
Tstg
Topj
θJA
Value
40
-0.3~+40
40
40
40
40
1.5
DIP-8
1.25
SO-8
0.625
0~+70
-65~+150
120
125
Unit
V
V
V
V
V
V
A
W
oC
oC
oC
oC/W
AVANTICS - AX34063AP, AX34063AS
Specification No.: 050308-FE0007
1 page  
www.DataSheet4U.com
Fig.5 Step-Down Converter With External PNP Saturation Switch
RSC
Vin
AX34063A
81
72
63
54
C1 RB
RA
R1
R2
CT
Q1
L1
D1
Page No. : 5/7
Vout
Cout
Fig.6 Voltage Inverting Converter
Vin
4.5V-6V
RSC
0.25
C1
100uF
AX34063A
81
72
63
54
D1
H1N5819
CT
680pF
L1
100uH
Vout
-12V / 100mA
Cout
470uF
RA
RB
8.2kΩ
953Ω
Line Regulation: 20mV (Vin=4.5V~6V, @IO=100mA)
Load Regulation: 100mV (Vin=5V, @IO=10mA~100mA)
Fig.7 Voltage Inverting Converter With External PNP Saturation Switch
RSC
Vin
C1
RB
AX34063A
81
72
63
54
RA
R2
R1
Q1
L1
CT
D1
Cout
Vout
AVANTICS - AX34063AP, AX34063AS
Specification No.: 050308-FE0007
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AX34063AP.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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