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PDF BM34063A Data sheet ( Hoja de datos )
| Número de pieza | BM34063A | |
| Descripción | DC-DC CONVERTER | |
| Fabricantes | Yuxiangda | |
| Logotipo |  |
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Features
z 3V to +37V Input Voltage Operation
z Internal 1.6A Peak Current Switch
z Internal ±1.8% Reference
z Low Quiescent Current at 1.5mA
z Frequency from 100Hz ~ 180KHz(100PF)
z Output Voltage Adjustable
z Active Current Limiting
z Step-Up, Step-Down or Inverting Switching
Regulators
BM34063A
DC-DC CONVERTER
Description
The BM34063A 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.
Pin Assignment
DIP/SOP-8
1
SWC
DRC
2 SWE
Ipk
3 TC
VCC
4 GND
FB
Pin1: Switch Collector (SWC)
8
Pin2: Switch Emitter (SWE)
7
6 Pin3: Timing Capacitor (TC)
5 Pin4: Ground (GND)
Pin5: Comparator Inverting Input (FB)
Pin6: Voltage Supply (Vcc)
Pin7: Ipk Sense (Ipk)
Pin8: Voltage Driver Collector (DRC)
Ordering Information
Part Number
Package
BM34063AGP
DIP-8
BM34063AGS
SOP-8
H means : Pb device , BM34063AH will be closed before July of 2006.
G means : Pb-free , BM34063AG meets SGS testing standard.
If one day , you feel not good to AP1513 / MP9141 on price due to cost problem,
you can choose BM34063A as +12V down to 3.3V/5.0V if less than 1A ouput.
2006/01/25
1
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
BM34063A
DC-DC CONVERTER
RSC
Vin
BM34063A
81
72
63
54
RB
C1
RA
R2 R1
CT
Q1
L1
D1
Vout
Cout
Fig.5 Step-Down Converter With External PNP Saturation Switch
Vin
4.5V-6V
C1
100uF
RSC
0.25
BM34063A
81
72
63
54
RA
D1
1N5819
CT
680pF
L1
100uH
Vout
-12V / 100mA
Cout
470uF
RB 953Ω Line Regulation: 20mV (Vin=4.5V~6V, @Io=100mA)
8.2kΩ
Load Regulation: 100mV (Vin=5V, @Io=10mA~100mA)
Fig.6 Voltage Inverting Converter
2006/01/25
RSC
Vin
C1
RB
BM34063A
81
72
63
54
RA
R2
R1
CT
Q1
L1
D1
Vout
Cout
Fig.7 Voltage Inverting Converter With External PNP Saturation Switch
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet BM34063A.PDF ] | |
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