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PDF BD30KA5WFP-E2 Datasheet ( Hoja de datos )

Número de pieza BD30KA5WFP-E2
Descripción 500mA Variable/Fixed Output LDO Regulators
Fabricantes Rohm 
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BD30KA5WFP-E2 datasheet

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BD30KA5WFP-E2 pdf
BDxxKA5 Series BDxxKA5W Series BD00KA5W Series
Datasheet
Electrical Characteristics – continued
BD00KA5W Series
(Unless otherwise specified, Ta=25, Vcc=2.5V, VCTL=2V ,Vo=1.5V)
Parameter
Limit
Symbol
Min Typ Max
Unit
Conditions
Shut Down Current
Isd 0 1 μA VCTL=0V, Io=0mA (OFFmode)
Bias Current
Ib 350 550 μA Io=0mA
Reference Voltage
Dropout Voltage *10
VADJ
ΔVd
0.742 0.750 0.758
0.12 0.20
V Io=50mA
V Io=200mA, Vcc=0.95×Vo
Peak Output Current
Io 500 - - mA
Ripple Rejection
R.R.
50
dB f=120Hz, ein12=-10dBV, Io=100mA
Line Regulation
Reg.I 10 35 mV Vcc=Vo+0.5V5.5V, Io=200mA
Load Regulation
Reg.L
25
75
mV Io=0mA500mA
Temperature Coefficient of
Output Voltage *11
CTL ON Mode Voltage
Tcvo
- ±100 ppm/Io=5mA,Tj=0 to 125
VCTLON 2.0
V ACTIVE MODE, Io=0mA
CTL OFF Mode Voltage
VCTLOFF
0.8
V OFF MODE, Io=0mA
CTL Input Current
*10 Vo2.5V
*11 Not 100% tested
*12 ein : Input Voltage Ripple
ICTL 20 40 60 μA Io=0mA
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/15
TSZ02201-0R6R0A600150-1-2
26.Jun.2012 Rev.001

5 Page

BD30KA5WFP-E2 arduino
BDxxKA5 Series BDxxKA5W Series BD00KA5W Series
Vo Terminal
Please be sure to attach an anti-oscillation capacitor between Vo and GND.
Datasheet
OUT
IC
1μF
Fig.24 Output Equivalent Circuit
100
10
1
0 .1
0 .0 1
0
Oscillation region
発振領域
Stableregion
Cin
Vcc
1μF
VCTL
2V
ESR
Vcc OUT 1μF
CTL GND ADJ R2
R1
Io(ROUT)
R1=30kΩ,R2=2kΩ
100 200 300 400 500
Io uIot((mmAA))
Fig.25 ESR-Io Characteristics
Be sure to place an anti-oscillation capacitor between the output terminal and the GND. Oscillations may arise if the
capacitance value changes, due to factors such as temperature changes. A 1μF capacitor with small internal series resistance
(ESR) such as a ceramic capacitor is recommended as an anti-oscillation capacitor. Ceramic capacitors generally have
favorable temperature characteristics and DC bypass characteristics. When selecting a ceramic capacitor, a high voltage
capacitor (good DC bypass characteristics) with temperature characteristics that are superior to those of X5R or X7R, is
recommended. In applications where input voltage and load fluctuations are rapid, please decide on a capacitor after
sufficiently confirming its properties according to its specifications in the actual application.
120 120
100
50V Max.Input
100
50V Max.Input
120
100
80 80
60 60
40
16V Max.Input
40
10V Max.Input
20 20
16V Max.Input
10V Max.Input
80
X7R
Y5V X5R
60
40
Vdc=0
20
0
0
(a)
123
DCbypass Vdc(VV)dc(V)
Capacitance-bypass
characteristics (Y5V)
00
4
01234
-25 0
25 50 75
直流DCbypass VdcV(Vd)c(V)
TTeemmp(p()℃)
bCapacitance-bypass
characteristicsX5R,X7R
CCapacitance-temperature
characteristicsX5R,X7R,Y5V
Fig.26 General characteristics of ceramic capacitors
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
11/15
TSZ02201-0R6R0A600150-1-2
26.Jun.2012 Rev.001

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