LD1117AHG-33-AA3-A-R [UTC]
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS;
| 型号： | LD1117AHG-33-AA3-A-R |
| 厂家： | 
Unisonic Technologies |
| 描述： | LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS |
| 文件： | 总7页 (文件大小：257K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
LD1117AH
LINEAR INTEGRATED CIRCUIT
LOW DROP FIXED AND
ADJUSTABLE POSITIVE
VOLTAGE REGULATORS
DESCRIPTION
The UTC LD1117AH is a low dropout, 3-terminal positive
voltage regulator designed to provide output current up to 1A,
There are adjustable version (VREF=1.25V) and various fixed
versions.
FEATURES
* Low dropout voltage
* Suitable for SCSI-2 active termination if VOUT set to 2.85V
* Output current up to 1.0A
* Built-in current limit and over temperature protection
* Low current consumption
* Support MLCC
ORDERING INFORMATION
1
○
Ordering Number
Packing
Package
SOT-223
Pin Assignment
Lead Free
Halogen Free
1
G
O
G
I
2
O
G
I
Pin Code
3
I
A
B
C
D
1
1
LD1117AHL-xx-AA3-○-R LD1117AHG-xx-AA3-○-R
R: Tape Reel
I
O
O
G
Notes: 1. Pin Assignment: I: VIN O: VOUT
G: GND
2. xx: Output Voltage, Refer to Marking Information.
LD1117AHG-xx-AA3- 1 - 2
(1) R: Tape Reel
(1)Packing Type
(2) refer to Pin Assignment
(3) AA3: SOT-223
(2)Pin Assignment
(3)Package Type
(4)Output Voltage Code
(5)Green Package
(4) xx: refer to Marking Information
(5) G: Halogen Free and Lead Free, L: Lead Free
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Copyright © 2017 Unisonic Technologies Co., Ltd
QW-R102-087.A
LD1117AH
LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-223
33 :3.3V
BLOCK DIAGRAM
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LD1117AH
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
PARAMETER
SYMBOL
VIN
RATINGS
20
UNIT
V
DC Input Voltage
Power Dissipation
PD
Internally limited
+150
Junction Temperature
TJ
°C
°C
°C
Operating Temperature (Note 2)
Storage temperature
TOPR
TSTG
-20 ~ +125
-65 ~ +150
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. This condition is only determined from design. It can't be 100% tested in mass production.
RECOMMENDED OPERATING RATINGS
PARAMETER
SYMBOL
RATINGS
15
UNIT
V
Input Voltage
VIN
TJ
Operating Junction Temperature
-20 ~ +125
°C
THERMAL DATA
PARAMETER
SYMBOL
θJA
RATINGS
165
UNIT
°C/W
C/W
Junction to Ambient
Junction to Case
θJC
15
ELECTRICAL CHARACTERISTICS
(TA=25°C, refer to the test circuits, TJ=0 ~ 125°C, CO=10μF unless otherwise specified)
For LD1117AH-3.3
PARAMETER
Output Voltage
SYMBOL
TEST CONDITIONS
MIN.
TYP.
MAX.
3.366
UNIT
VOUT VIN=5.3V, IOUT=10mA, TJ=25°C
3.234
3.300
V
Output Voltage
VOUT VIN=4.75 to 10V, IOUT=0~1000mA
3.234
3.300
3.366
V
Line Regulation
VOUT VIN=4.75 to 15V, IOUT=0mA
VOUT VIN=4.75V, IOUT=0~1000mA
VOUT
1
6
mV
mV
%
Load Regulation
1
10
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Current Limit
0.5
0.3
VOUT 1000 hrs, TJ=125°C
%
VIN
IQ
IOUT=100mA
15
10
V
VIN15V
5
mA
mA
V
ILIMIT VIN=8.3V, TJ=25°C
1000
60
Output Noise Voltage
eN
B=10Hz to 10KHz, TJ=25°C
OUT=40mA, f=120Hz, TJ=25°C,
VIN=6.3V, VRIPPLE=1VPP
IOUT=100mA
100
75
I
Supply Voltage Rejection
SVR
dB
1.00
1.15
1.20
1.20
0.01
1.10
1.25
1.30
1.30
0.10
IOUT=500mA
Dropout Voltage
VD
V
IOUT=800mA
I
OUT=1A
Thermal Regulation
TA=25°C, 30ms Pulse
%/W
UNISONIC TECHNOLOGIES CO., LTD
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QW-R102-087.A
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LD1117AH
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATIONS
UTC LD1117AH
IN
VIN
VOUT
OUT
+
+
GND
100µF
10µF
Fig.1 Tyncal Application Circuit
UTC LD1117AH
VIN
VOUT
IN
OUT
GND
10µF
10µF
Fig.2 Tyncal Application Circuit (FOR MLCC)
UTC LD1117AH
VIN
IN
OUT
+
+
GND
10µF
100µF
VOUT
Floating Input
Fig.3 Negative Supply
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LD1117AH
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATIONS(Cont.)
110
110
UTC LD1117AH
OUT
18-27
Lines
110
110
IN
22µF
+
+
GND
4.75V
to
5.25V
10µF
Fig.4 Active Terminator for SCSI-2 BUS
Fig.5 Circuit for Increasing Output Voltage
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QW-R102-087.A
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LD1117AH
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS
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LD1117AH
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(Cont.)
Safe Operating Area vs. Capacitor ESR
10
8
6
4
IO=10mA~1.0A
2
0
2
4
6
8
10
0
CO (µF)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
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