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What is BD12KA5WF-E2?

This electronic component, produced by the manufacturer "ROHM Semiconductor", performs the same function as "500mA Variable/Fixed Output LDO Regulators".


BD12KA5WF-E2 Datasheet PDF - ROHM Semiconductor

Part Number BD12KA5WF-E2
Description 500mA Variable/Fixed Output LDO Regulators
Manufacturers ROHM Semiconductor 
Logo ROHM Semiconductor Logo 


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Datasheet
500mA Variable/Fixed Output
LDO Regulators
BDxxKA5 Series BDxxKA5W Series BD00KA5W Series
General Description
The BDxxKA5 series are low-saturation regulators that are available for output currents up to 500mA. The output voltage
precision is ±1%. These LDO regulators are offered in several output voltages and package lineups with or without
ON/OFF switches (that set the circuit current to 0μA at shutdown). This series can be used for a broad spectrum of
applications ranging from TVs and car audio systems to HDDs, PCs, and DVDs. There regulators have a built-in
overcurrent protection circuit that prevents the destruction of the IC, due to output short circuits and a thermal shutdown
circuit.
Features
„ Output voltage precision: ±1%
„ Low-saturation voltage with PMOS output: 0.12V
Typ.(Io=200mA)
„ Built-in over-current protection circuit
„ Built-in thermal shutdown circuit
„ Shutdown switch (BDxxKA5WFP and BDxxKA5WF
series)
„ Ceramic capacitor compatible (recommended
capacitance: 1μF or greater)
Key Specifications
„ Input Power Supply Voltage:
„ Output voltage type: BA00KA5
BAxxKA5
„ Output current:
„ Operating temperature range:
5.5V (Max.)
Variable
Fixed
500mA (Max.)
-40to +105
Applications
Microcontrollers and all electronic devices that use
logic circuit
Packages
SOP8
TO252-3
TO252-5
W (Typ.) x D (Typ.) x H (Max.)
5.00mm x 6.20mm x 1.71mm
6.50mm x 9.50mm x 2.50mm
6.50mm x 9.50mm x 2.50mm
SOP8
TO252-3
TO252-5
Lineup matrix
Part Number
BDxxKA5WFP
BDxxKA5WF
BDxxKA5FP
Output Voltage (V)
1.0 1.2 1.5 1.8 2.5 3.0 3.3 Variable
○○○○○○○
○○○○○○○
○○○○○○○
-
Package
TO252-5
SOP8
TO252-3
Ordering Information
BD x x K A 5
W
xx-
E2
Part Number Output voltage
00:Variable
Other: Fixed
Current capacity
KA5: 500mA
Shutdown Switch Package
W: Include
None:without FP : TO252-3
TO252-5
F : SOP8
Packaging and forming specification
E2: Embossed tape and reel
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays.
1/15
TSZ02201-0R6R0A600150-1-2
26.Jun.2012 Rev.001

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BD12KA5WF-E2 equivalent
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


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Part NumberDescriptionMFRS
BD12KA5WF-E2The function is 500mA Variable/Fixed Output LDO Regulators. ROHM SemiconductorROHM Semiconductor

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