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| 型号： | LT1086MK-12 |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 12V 1.5A TO-3 |
| 标准包装： | 20 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 12V |
| 输入电压： | 最高 25V |
| 电压 - 压降（标准）： | 1.3V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.5A |
| 工作温度： | -55°C ~ 200°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-204AA，TO-3 |
| 供应商设备封装： | TO-3 |
| 包装： | 散装 |
| 其它名称： | Q961092 |
LT1086 Series
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Current Limit
LT1086/-2.85/-3.3/-3.6/-5/-12 (V IN – V OUT ) = 5V
(V IN – V OUT ) = 25V
q
q
1.50
0.05
2.00
0.15
A
A
LT1086H
(V IN – V OUT ) = 5V
(V IN – V OUT ) = 25V
q
q
0.50
0.02
0.700
0.075
A
A
Minimum Load Current
Quiescient Current
Thermal Regulation
LT1086/LT1086H
LT1086-2.85
LT1086-3.3
LT1086-3.6
LT1086-5
LT1086-12
T A = 25 ° C, 30ms pulse
(V IN – V OUT ) = 25V (Note 5)
V IN ≤ 18V
V IN ≤ 18V
V IN ≤ 18V
V IN ≤ 20V
V IN ≤ 25V
q
q
q
q
q
q
5
5
5
5
5
5
0.008
10
10
10
10
10
10
0.04
mA
mA
mA
mA
mA
mA
%/W
Ripple Rejection
f = 120Hz, C OUT = 25 μ F Tantalum, I OUT = 1.5A, (I OUT = 0.5A for LT1086H)
LT1086, LT1086H C ADJ = 25 μ F, (V IN – V OUT ) = 3V
LT1086-2.85 V IN = 6V
LT1086-3.3 V IN = 6.3V
LT1086-3.6 V IN = 6.6V
LT1086-5 V IN = 8V
LT1083-12 V IN = 15V
q
q
q
q
q
q
60
60
60
60
60
54
75
72
72
72
68
60
dB
dB
dB
dB
dB
dB
Adjust Pin Current
Adjust Pin Current
Change
LT1086, LT1086H
LT1086, LT1086H
T J = 25 ° C
10mA ≤ I OUT ≤ 1.5A (0.5A for LT1086H)
1.5V ≤ (V IN – V OUT ) ≤ 15V
q
q
55
0.2
120
5
μ A
μ A
μ A
Temperature Stability
q
0.5
%
Long-Term Stability
RMS Output Noise
T A = 125 ° C, 1000 Hrs.
T A = 25 ° C, 10Hz = ≤ f ≤ 10kHz
0.3
0.003
1
%
%
(% of V OUT )
Thermal Resistance
Junction-to-Case
H Package: Control Circuitry/Power Transistor
K Package: Control Circuitry/Power Transistor
M Package: Control Circuitry/Power Transistor
T Package: Control Circuitry/Power Transistor
15/20
1.7/4.0
1.5/4.0
1.5/4.0
° C/W
° C/W
° C/W
° C/W
Note 1: Absolute Maximum Ratings are those values beyond which the life of
a device may be impaired.
Note 2: See Thermal Regulation specifications for changes in output
voltage due to heating effects. Line and load regulation are measured at a
constant junction temperature by low duty cycle pulse testing. Load
regulation is measured at the output lead ≈ 1/8" from the package.
Note 3: Line and load regulation are guaranteed up to the maximum power
dissipation of 15W (3W for the LT1086H). Power dissipation is determined
by the input/output differential and the output current. Guaranteed
maximum power dissipation will not be available over the full input/output
range. See Short-Circuit Current curve for available output current.
Note 4: Dropout voltage is specified over the full output current range of
the device. Test points and limits are shown on the Dropout Voltage curve.
Note 5: Minimum load current is defined as the minimum output current
required to maintain regulation. At 25V input/output differential the device
is guaranteed to regulate if the output current is greater than 10mA.
sn1086 1086ffs
4
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