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Rohm Semiconductor Electronic Components Datasheet

BA000LBSG Datasheet

Super-mini package regulator IC

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BA000LBSG pdf
Regulator IC
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



Rohm Semiconductor Electronic Components Datasheet

BA000LBSG Datasheet

Super-mini package regulator IC

No Preview Available !

BA000LBSG pdf
Regulator IC
!Block diagram
VCC (1pin)
+
1µF
CTL(3pin)
GND (2pin)
Vref
Over current protection
Over temperature protection
BAΟΟΟLBSG series
VO (5pin)
0.01µF
10µF
C (4pin)
!Pin descriptions
Pin No.
1
2
3
4
5
Pin name
Vcc
GND
CTL
C
OUT
Functiom
Power supply
Ground
Power-save function
Ripple improvement
Output
!Input / output circuits
CTL (3pin)
VCC (1pin)
VO (5pin)
C (4pin)



Rohm Semiconductor Electronic Components Datasheet

BA000LBSG Datasheet

Super-mini package regulator IC

No Preview Available !

BA000LBSG pdf
Regulator IC
BAΟΟΟLBSG series
!Electrical characteristics
BA028LBSG (unless otherwise noted, Ta=25°C, VCC=3.8V)
Parameter
Standby current
Circuit current
Symbol Min. Typ. Max. Unit
Coniditions
ICCS 0 10 µA Vctl=0V
ICCa 65 150 µA Vctl=3V, no output load
<Output block>
Output voltage
Dropout voltage
Output current capability
Load regulation
Input regulation
Output noise voltage
Ripple rejection 1
Ripple rejection 2
<Power-save block>
VO
Vd
IO
Reg.L
Reg.I
en
R.R1
R.R2
2.73
150
50
2.80
90
280
40
3
56
58
66
2.87
150
80
30
V Io=50mA1
mV Io=50mA, Vcc=0.95Vo
mA
mV Io=1~50mA1
mV Io=10mA, Vcc=3.8~7V1
µV Io=10mA, C=0.01µF2
dB Io=10mA, f=400Hz
dB Io=10mA, f=400Hz, C=0.01µF2
CTL OFF voltage
CTL ON voltage
Voff
0.6 V
Von 2.4 − − V
CTL inflow current
Ictl
6.0 15
µA Vctl=3V
In order to measure at Ta Tj (pulse measurement), fluctuations in output resulting from temperature fluctuations are not included.
Design guaranteed. (Not all products have been inspected.)
A capacitor (0.01µF) is used between pin 4 and pin 5, to improve ripple rejection.
Not designed for radiation resistance.
BA029LBSG (unless otherwise noted, Ta=25°C, VCC=3.9V)
Parameter
Symbol Min. Typ. Max. Unit
Coniditions
Standby current
Circuit current
ICCS 0 10 µA Vctl=0V
ICCa 65 150 µA Vctl=3V, no output load
<Output block>
Output voltage
Dropout voltage
VO
2.828 2.90 2.973
V Io=50mA1
Vd 90 150 mV Io=50mA, Vcc=0.95Vo
Output current capability
IO 150 280 mA
Load regulation
Reg.L
40 80 mV Io=1~50mA1
Input regulation
Output noise voltage
Reg.I
3 30 mV Vcc=3.9~7V
en 56 µV Io=10mA, C=0.01µF2
Ripple rejection 1
Ripple rejection 2
R.R1 45 58 dB Io=10mA, f=400Hz
R.R2 66 dB Io=10mA, f=400Hz, C=0.01µF2
<Power-save block>
CTL OFF voltage
Voff
0.6 V
CTL ON voltage
Von 2.4
V
CTL inflow current
Ictl 6.0 15 µA Vctl=3V
In order to measure at Ta Tj (pulse measurement), fluctuations in output resulting from temperature fluctuations are not included.
Design guaranteed. (Not all products have been inspected.)
A capacitor (0.01µF) is used between pin 4 and pin 5, to improve ripple rejection.
Not designed for radiation resistance.




Part Number BA000LBSG
Description Super-mini package regulator IC
Maker Rohm
Total Page 9 Pages
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