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RC1117M 데이터시트 PDF




Fairchild Semiconductor에서 제조한 전자 부품 RC1117M은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 RC1117M 자료 제공

부품번호 RC1117M 기능
기능 1A Adjustable/Fixed Low Dropout Linear Regulator
제조업체 Fairchild Semiconductor
로고 Fairchild Semiconductor 로고


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RC1117M 데이터시트, 핀배열, 회로
www.fairchildsemi.com
RC1117
1A Adjustable/Fixed Low Dropout Linear Regulator
Features
• Low dropout voltage
• Load regulation: 0.05% typical
• Trimmed current limit
• On-chip thermal limiting
• Standard SOT-223, TO-263, and TO-252 packages
• Three-terminal adjustable or fixed 2.5V, 2.85V, 3.3V, 5V
Applications
• Active SCSI terminators
• High efficiency linear regulators
• Post regulators for switching supplies
• Battery chargers
• 5V to 3.3V linear regulators
• Motherboard clock supplies
Description
The RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low
dropout three-terminal regulators with 1A output current
capability. These devices have been optimized for low voltage
where transient response and minimum input voltage are
critical. The 2.85V version is designed specifically to be
used in Active Terminators for SCSI bus.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal limiting
provides protection against any combination of overload and
ambient temperatures that would create excessive junction
temperatures.
Unlike PNP type regulators where up to 10% of the output
current is wasted as quiescent current, the quiescent current
of the RC1117 flows into the load, increasing efficiency.
The RC1117 series regulators are available in the industry-
standard SOT-223, TO-263 (D2PAK), and TO-252 (DPAK)
power packages.
Typical Applications
VIN = 3.3V
10µF
+
RC1117
VIN VOUT
ADJ
R1
124
+ 1.5V at 1A
22µF
VOUT = VREF(1 + R2/R1) + IAdj • R2
VIN = 5V
10µF
+
RC1117-2.85
VIN VOUT
GND
R2
24.9
+ 2.85V at 1A
22µF
REV. 1.3.1 11/18/02




RC1117M pdf, 반도체, 판매, 대치품
PRODUCT SPECIFICATION
Typical Performance Characteristics
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0
0
TJ = 0°C
TJ = 25°C
TJ = 125°C
0.2 0.4
0.6 0.8
OUTPUT CURRENT (A)
1.0
Figure 1. Dropout Voltage vs. Output Current
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 3. Reference Voltage vs. Temperature
5
4
3
2
1
0
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 5. Minimum Load Current vs. Temperature
RC1117
0.10
I = 1A
0.05
0
-0.05
-0.10
-0.15
-0.20
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 2. Load Regulation vs. Temperature
3.70
3.65
3.60
VOUT SET WITH 1% RESISTORS
VOUT = 3.6V1
3.55
3.50
3.45
3.40
3.35
3.30
VOUT = 3.3V
3.25 Note:
3.20
1. RC1117 Only
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 4. Output Voltage vs. Temperature
100
90 Note:
1. RC1117 Only
80
70
60
50
40
30
20
10
0
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 6. Adjust Pin Current vs. Temperature
4 REV. 1.3.1 11/18/02

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RC1117M 전자부품, 판매, 대치품
RC1117
Mechanical Dimensions
3-Lead TO-252 Package
6.73
6.35
5.46
5.21
A
L3
D
C
1
(0.59)
0.89
0.54
0.25 M A M C
2
3
1.02
0.84
1.14
0.78
2.29
4.57
SEE
NOTE D
E1 4
PRODUCT SPECIFICATION
6.00 MIN
4
6.50 MIN
6.25
3.00 MIN
13
1.40 MIN
2.30
4.80
LAND PATTERN RECOMMENDATION
B
2.38
2.18
0.58
0.48
D1
2
31
GAGE PLANE
0.61
0.48
10°
0°
0.51
(1.54)
1.78
1.40
2.90
0.127 MAX
SEATING PLANE
DETAIL A
(ROTATED 90°
SCALE 12X
SEE
DETAIL A
10.41
9.40
0.10 B
NOTES: UNLESS OTHERWISE SPECIFIED
A) ALL DIMENSIONS ARE IN MILLIMETERS.
B) THIS PACKAGE CONFORMS TO JEDEC, TO-252,
ISSUE C. VARIATION AA & AB, DATED NOV. 1999.
C) DIMENSIONING AND TOLERANCING PER
ASME Y14.51994.
D) HEAT SINK TOP EDGE COULD BE IN CHAMFERED
CORNERS OR EDGE PROTRUSION.
E) DIMENSIONS L3, D, E1 & D1 TABLE:
OPTION AA OPTION AB
L3 0.89 1.27 1.52 2.03
D 5.97 6.22 5.33 5.59
E1 4.32 MIN 3.81 MIN
D1 5.21 MIN 4.57 MIN
REV. 1.3.1 11/18/02
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관련 데이터시트

부품번호상세설명 및 기능제조사
RC1117

1A Adjustable/Fixed Low Dropout Linear Regulator

Fairchild Semiconductor
Fairchild Semiconductor
RC1117M

1A Adjustable/Fixed Low Dropout Linear Regulator

Fairchild Semiconductor
Fairchild Semiconductor

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