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PDF ( 数据手册 , 数据表 ) BA050LBSG

零件编号 BA050LBSG
描述 (BAxxxLBSG) Super-mini package regulator IC
制造商 ROHM Semiconductor
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BA050LBSG 数据手册, 描述, 功能
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BAΟΟΟLBSG series
Super-mini package regulator IC
BAΟΟΟLBSG series
The BAΟΟΟLBSG (the “ΟΟΟ” indicates the output voltage value) is a low-saturation series regulator IC employing the
super-mini mold package of the SMP5 (2916 package). Equipped with a power-saving function that reduces current
consumption, it also offers outstanding ripple rejection and characteristics, and is ideal for cellular telephones and other.
!Applications
Residential / industrial device power supplies for cellular telephone such as the CDMA and GSM, and for other portable.
!Features
1) Internal output transistor (IO=150mA)
2) Internal temperature protection circuit
3) Power-saving function enables designs with low current consumption
4) High level of ripple rejection (R.R.=66dB)
5) SMP5 super-mini package enables space-saving designs
6) Low I / O voltage differential (90mV Typ. at IO=50mA)
!Super-mini regulator lineup
Series
Output voltage (V)
2.8 2.9 3.0 3.2 3.3 3.6 3.8 4.0 5.0
BA LBSG
" " indicates the output voltage value. (Example : For 2.8V output, BA028LBSG)
!Absolute maximum ratings (Ta=25°C)
Parameter
Applid voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
Vcc
Pd
Topr
Tstg
Limits
9
170
40∼+85
55∼+125
Reduced by 1.7mW for each increase in Ta of 1˚C over 25˚C
Unit
V
mW
°C
°C
!Recommended operating conditions (Ta=25°C)
Parameter
Symbol
Limits
Operating power supply
voltage
Vcc (input)
2.57.0
Unit
V







BA050LBSG pdf, 数据表
www.DRateaSghueelat4tUo.croImC
!Electrical characteristic curves (BA030LBSG)
1500
VCC=4V
Vctl=3V
300
250
1000
200
150
500 100
50
Vctl=3V
Io=0mA
Ta=25˚C
0
0 50 100 150
LOAD CURRENT : IO (mA)
Fig.2 ICC vs. IO
0
01 2 34 5 67
SUPPLY VOLTAGE : VCC (V)
Fig.3 ICCa vs. VCC
BAΟΟΟLBSG series
4
VCC=4.0V
Vctl=3.0V
3
2
1
0
0 100 200 300 400 500
LOAD CURRENT : IO (mA)
Fig.4 IO vs. VO
300
250
200
150
100
50
0
0 20 40 60 80 100 120 140 150
OUTPUT CURRENT : IO (mA)
Fig.5 V vs. IO
80
VCC=4.0V
IO=10mA
60
40
R.R2
20
R.R1
0
20
100 1k 10k 100k 1M
FREQUENCY : f (Hz)
Fig.6 R.R. vs. f characteristics
!External dimensions (Units : mm)
2.9 ± 0.2
(5) (4)
(1) (2) (3)
0.95
0.4 ± 0.1
0.1
+
0.1
0.05
SMP5














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