LMT1117 [KEXIN]
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator; 1A低压差正可调或固定模式稳压器
| 型号： | LMT1117 |
| 厂家： | 
GUANGDONG KEXIN INDUSTRIAL CO.,LTD |
| 描述： | 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| 文件： | 总3页 (文件大小：93K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SMD Type
Integrate Circuit
1A Low Dropout Positive Adjustable
or Fixed-Mode Regulator
KMT1117(LMT1117)
SOT-223
Unit: mm
Features
+0.2
3.50
-0.2
+0.2
-0.2
6.50
1.4V maximum dropout at full load current
Fast transient response
+0.2
0.90
-0.2
Output current limiting
+0.1
-0.1
3.00
+0.3
7.00
-0.3
Built-in thermal shutdown
Good noise rejection
3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,2.5V, 3.3V, 5.0V
1 Adj(GND)
2 Vout
1
2
3
+0.1
0.70
-0.1
2.9
3 Vin
4.6
Absolute Maximum Ratings Ta = 25
Parameter
Symbol
Vin
Rating
-0.3 to 12
Internally Limited
117
Unit
DC Supply Voltage
Power Dissipation
V
PD
Thermal Resistance Junction-to-Ambient
Thermal Resistance Junction-to-Case *
Operating Junction Temperature Range
Storage Temperature
/W
/W
JA
JC
15
TOP
TST
0 to +150
-65 to +150
* Control Circuitry/Power Transistor
Block Diagram
1
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SMD Type
Integrate Circuit
KMT1117(LMT1117)
Electrical Characteristics Ta = 25
Parameter
Testconditons
Min
Typ
Max
Unit
V
Reference Voltage
KMT1117-ADJ
1.225 1.250 1.275
1.470 1.500 1.530
1.764 1.800 1.836
1.862 1.900 1.938
2.450 2.500 2.550
3.235 3.300 3.365
4.900 5.000 5.100
0.2
TJ=25 ,(VIN-OUT)=1.5V,IO=10mA
KMT1117-1.5
V
IOUT = 10mA, TJ = 25 , 3V VIN 12V
IOUT = 10mA, TJ = 25 , 3.3V VIN 12V
IOUT = 10mA, TJ = 25 , 3.3V VIN 12V
IOUT = 10mA, TJ = 25 , 4V VIN 12V
IOUT = 10mA, TJ = 25 , 4.8V VIN 12V
IOUT = 10mA, TJ = 25 , 6.5V VIN 12V
IO=10mA,VOUT+1.5V VIN 12V, TJ=25
VIN=3.3V,Vadj=0,0mA Io 1A,TJ=25
VIN=3V,0mA Io 1A,TJ=25
KMT1117-1.8
KMT1117-1.9
KMT1117-2.5
KMT1117-3.3
KMT1117-5.0
KMT1117-XXX
KMT1117-ADJ
KMT1117-1.5
KMT1117-1.8
KMT1117-1.9
KMT1117-2.5
KMT1117-3.3
KMT1117-5.0
KMT1117-XXX
V
V
Output Voltage
V
V
V
Line Regulation
Load Regulation
%
1
%
12
15
16
20
26
40
1.3
15
18
19
25
33
50
1.4
mV
mV
mV
mV
mV
mV
V
VIN=3.3V,0mA Io 1A,TJ=25
VIN=3.3V,0mA Io 1A,TJ=25
VIN=4V,0mA Io 1A,TJ=25
VIN=5V,0mA Io 1A,TJ=25
VIN=8V,0mA Io 1A,TJ=25
Dropout Voltage (VIN-VOUT)
Current Limit
IOUT = 1A , VOUT=0.1%VOUT
KMT1117-XXX (VIN-VOUT) = 5V
KMT1117-XXX
1. 1
A
Minimum Load Current
Thermal Regulation
5
10
mA
0
Tj 125
0.008
0.04 %/W
TA=25 , 30ms pulse
F=120Hz,COUT=25uF Tantalum, IOUT=1A
Ripple Rejection
KMT1117-XXX VIN=VOUT+3V
IO=10mA
60
70
dB
%
Temperature Stability
0.5
2
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SMD Type
Integrate Circuit
KMT1117(LMT1117)
Typical Characteristics
Fig.2 Load Regulation vs Temperature
Fig.1 Dropout Voltage vs Output Current
Fig.3 Percent Change in Output Voltage vs Temperature
Fig.4 Line Regulation
Fig.5 Line Transient Response
Fig.6 Load Transient Response
3
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