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BA1117FP PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BA1117FP
기능 Low drop adjustable positive voltage regulator
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BA1117FP 데이터시트, 핀배열, 회로
Low drop adjustable
positive voltage regulator
BA1117FP
Features
„ Low dropout voltage:
- 1.2 V typ. (at IO = 1 A, 25)
„ Output current up to 1 A
„ Adjustable version availability (VREF = 1.25 V)
„ Internal current and thermal limit
„ Available in ±1% (at 25) and 2% in full
temperature range
„ High supply voltage rejection:
- 75 dB typ. (at 25)
„ Temperature range: -20to 105
„ Designed to use by ceramic capacitors
TO252-3
Typical Application
TO220-3
Description
The BA1117FP is a low drop voltage regulator
able to provide up to 1 A of output current,
available in adjustable versions (VREF =1.25V).
The device is supplied in: TO252-3 and TO220-3.
Surface mounted packages optimize the
thermal characteristics while offering a relevant
space saving advantage. High efficiency is
assured by NPN pass transistor. Only a very
common 22uF minimum capacitor is needed for
stability. Chip trimming allows the regulator to
reach a very tight reference voltage tolerance, within
±1% at 25.
10uF
VIN VOUT
ADJ
V REF
R1
IADJ
R2
22uF
VREF = 1.25 V (Typ.)
IADJ = 60 uA (Typ.)
VO = VREF × (1 + R2 / R1 ) + IADJ × R2
Table1. Device summary
Order codes
TO252-3
TO220-3
BA1117FP-E2
Under development
Output voltage
Adjustable from 1.25 V
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays.
1/12
TSZ02201-0RGR0A600450-1-2
18.Nov.2013 Rev.003




BA1117FP pdf, 반도체, 판매, 대치품
BA1117FP
Maximum ratings
Datasheet
Table 2. Absolute maximum ratings
Symbol
Parameter
VIN DC input voltage
PD Power dissipation
TSTG
Storage temperature range
TOP Operating junction temperature range
Value
15
1.2(Note3)
-55 to +150
-20 to +105
Unit
V
W
Note2: Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied. Beyond the above suggested
max. power dissipation, a short-circuit may permanently damage the device.
Note3: In case Ta25(70mm×70mm×1.6mm when mounted on a glass epoxy board) is reduced by 9.6mW/.
Table 3. Thermal data
Symbol
RthJA
Parameter
Thermal resistance junction-ambient
TO252-3
104.2
TO220-3
67.5
Unit
/W
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/12
TSZ02201-0RGR0A600450-1-2
18.Nov.2013 Rev.003

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BA1117FP 전자부품, 판매, 대치품
BA1117FP
Electrical characteristics (reference data)
Datasheet
0
-0.05
-0.1
-0.15
-0.2
-0.25
-0.3
-0.35
-25
IO = 1 A
0 25 50 75 100
Temperature [℃]
Figure 7. Load regulation
125
100
90
80
70
60
50
40
30
20
10
0
-25
0 25 50 75 100
Temperature [℃]
Figure 8. Adjustment pin current
125
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
IO [A]
Figure 9. Load regulation vs VO
Vo:DC : 1.5 V
AC : 50 mV/DIV
IO : 500 mA/DIV
t : 4 us/DIV
Figure 10. Load Transient Response
(00.5A)
Co=22µF
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/12
TSZ02201-0RGR0A600450-1-2
18.Nov.2013 Rev.003

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부품번호상세설명 및 기능제조사
BA1117FP

Low drop adjustable positive voltage regulator

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