参数资料
型号: LT1117CST-2.85#PBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC REG LDO 2.85V .8A SOT-223
产品培训模块: More Information on LDOs
标准包装: 78
稳压器拓扑结构: 正,固定式
输出电压: 2.85V
输入电压: 最高 10V
电压 - 压降(标准): 1.1V @ 800mA
稳压器数量: 1
电流 - 输出: 800mA
电流 - 限制(最小): 800mA
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 管件
LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
ORDER INFORMATION
LEAD BASED FINISH
LT1117CST
LT1117IST
LT1117CST-2.85
LT1117IST-2.85
LT1117CST-3.3
LT1117IST-3.3
LT1117CST-5
LT1117IST-5
LT1117CM
LT1117CM-2.85
LT1117CM-3.3
LT1117CM-5
TAPE AND REEL
LT1117CST#TR
LT1117IST#TR
LT1117CST-2.85#TR
LT1117IST-2.85#TR
LT1117CST-3.3#TR
LT1117IST-3.3#TR
LT1117CST-5#TR
LT1117IST-5#TR
LT1117CM#TR
LT1117CM-2.85#TR
LT1117CM-3.3#TR
LT1117CM-5#TR
PART MARKING
1117
1117I
11172
1117I2
11173
1117I3
11175
1117I5
LT1117CM
LT1117CM-2.85
LT1117CM-3.3
LT1117CM-5
PACKAGE DESCRIPTION
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic DD-PAK
3-Lead Plastic DD-PAK
3-Lead Plastic DD-PAK
3-Lead Plastic DD-PAK
TEMPERATURE RANGE
0°C to 125°C
–40°C to 125°C
0°C to 125°C
–40°C to 125°C
0°C to 125°C
–40°C to 125°C
0°C to 125°C
–40°C to 125°C
0°C to 125°C
0°C to 125°C
0°C to 125°C
0°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T J = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Voltage
Output Voltage
Line Regulation
Load Regulation
LT1117
LT1117-2.85
LT1117-3.3
LT1117-5
LT1117
LT1117-2.85
LT1117-3.3
LT1117-5
LT1117
LT1117-2.85
LT1117-3.3
LT1117-5
I OUT = 10mA, (V IN – V OUT ) = 2V, T J = 25°C
10mA ≤ I OUT ≤ 800mA, 1.4V ≤ (V IN – V OUT ) ≤ 10V
I OUT = 10mA, V IN = 4.85V, T J = 25°C
0 ≤ I OUT ≤ 800mA, 4.25V ≤ V IN ≤ 10V
0 ≤ I OUT ≤ 500mA, V IN = 3.95V
I OUT = 10mA, V IN = 5V, T J = 25°C
0 ≤ I OUT ≤ 800mA, 4.75V ≤ V IN ≤ 10V
I OUT = 10mA, V IN = 7V, T J = 25°C
0 ≤ I OUT ≤ 800mA, 6.5V ≤ V IN ≤ 12V
I OUT = 10mA, 1.5V ≤ V IN – V OUT ≤ 15V (Note 2)
I OUT = 0mA, 4.25V ≤ V IN ≤ 10V (Note 2)
I OUT = 0mA, 4.75V ≤ V IN ≤ 15V (Note 2)
I OUT = 0mA, 6.5V ≤ V IN ≤ 15V (Note 2)
(V IN – V OUT ) = 3V, 10mA ≤ I OUT ≤ 800mA (Note 2)
V IN = 4.25V, 0 ≤ I OUT ≤ 800mA (Note 2)
V IN = 4.75V, 0 ≤ I OUT ≤ 800mA (Note 2)
V IN = 6.5V, 0 ≤ I OUT ≤ 800mA (Note 2)
l
l
l
l
l
l
l
l
l
l
l
l
l
1.238
1.225
2.820
2.790
2.790
3.267
3.235
4.950
4.900
1.250
1.250
2.850
2.850
2.850
3.300
3.300
5.000
5.000
0.035
1
1
1
0.1
1
1
1
1.262
1.270
2.880
2.910
2.910
3.333
3.365
5.050
5.100
0.2
6
6
10
0.4
10
10
15
V
V
V
V
V
V
V
V
V
%
mV
mV
mV
%
mV
mV
mV
Dropout Voltage
I OUT = 100mA, 0°C ≤ T J ≤ 125°C (Note 3)
I OUT = 500mA, 0°C ≤ T J ≤ 125°C (Note 3)
I OUT = 800mA, 0°C ≤ T J ≤ 125°C (Note 3)
I OUT = 100mA, – 40°C ≤ T J < 0°C (Note 3)
I OUT = 500mA, – 40°C ≤ T J < 0°C (Note 3)
I OUT = 800mA, – 40°C ≤ T J < 0°C (Note 3)
1.00
1.05
1.10
1.00
1.05
1.10
1.10
1.15
1.20
1.20
1.25
1.30
V
V
V
V
V
V
Current Limit
(V IN – V OUT ) = 5V, T J = 25°C
800
950
1200
mA
Minimum Load Current
LT1117
(V IN – V OUT ) = 15V (Note 4)
l
1.7
5
mA
1117fd
3
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