参数资料
型号: LT1033CP
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC REG LDO NEG ADJ TO3P-3
标准包装: 30
稳压器拓扑结构: 负,可调式
输出电压: -1.2 V ~ -32 V
稳压器数量: 1
电流 - 限制(最小): 3A
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-247-3
供应商设备封装: TO-247-3
包装: 散装
LT1033
ELECTRICAL CHARACTERISTICS (Note 2)
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C.
LT1033M
LT1033C
SYMBOL PARAMETER
I ADJ
Adjust Pin Current
CONDITIONS
q
MIN
TYP
65
MAX
100
MIN
TYP
65
MAX
100
UNITS
μ A
? I ADJ
Adjust Pin Current Change
Minimum Load Current
10mA ≤ I OUT ≤ I MAX
3V ≤ |V IN – V OUT | ≤ 35V
|V IN – V OUT | ≤ 35V
|V IN – V OUT | ≤ 10V
q
q
0.2
1.0
2.5
1.2
2
5
5.0
3.0
0.5
2
2.5
1.2
2
5
5.0
3.0
μ A
μ A
mA
mA
I SC
? V OUT
? Temp
? V OUT
? Time
Current Limit
Temperature Stability of
Output Voltage
Long Term Stability
|V IN – V OUT | ≤ 10V, (Note 3)
|V IN – V OUT | = 35V, T J = 25 ° C
T MIN ≤ T ≤ T MAX
T A = 125 ° C, 1000 Hours
q
3
0.5
4.3
1.3
0.6
0.3
6
2.5
1.5
1.0
3
0.5
4.3
1.3
0.6
0.3
6
2.5
1.5
1.0
A
A
%
%
e n
RMS Output Noise
T A = 25 ° C, 10Hz ≤ f ≤ 10kHz
0.003
0.003
%
(% of V OUT )
θ JC
Thermal Resistance
Junction to Case
T Package
K Package
P Package
1.2
2.0
2.5
1.2
1.8
4.0
2.0
2.7
° 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: Unless otherwise indicated, these specifications apply:
|V IN – V OUT | = 5V; and I OUT = 5mA. Power dissipation is internally limited.
However, these specifications apply for power dissipation up to 30W.
See guaranteed minimum output current curve. I MAX = 3A.
Note 3: Testing is done using a pulsed low duty cycle technique. See
thermal regulation specifications for output changes due to heating effects.
Load regulation is measured on the output pin at a point 1/8" below the
base of the package.
TYPICAL PERFOR A CE CHARACTERISTICS
2.8
Dropout Voltage
1.27
Temperature Stability
1.8
Minimum Load Current
2.6
2.4
T J = –55 ° C
1.26
1.6
1.4
T J = –55 ° C
2.2
1.2
2.0
1.8
1.6
T J = 25 ° C
T J = 150 ° C
1.25
1.24
1.0
0.8
0.6
0.4
T J = 150 ° C
T J = 25 ° C
1.4
0.2
1.2
0.5
1.0 1.5 2.0
OUTPUT CURRENT (A)
2.5
3.0
1.23
–75 –50 –25
0 25 50 75 100 125 150
TEMPERATURE ( ° C)
0
0
10 20 30
INPUT-OUTPUT DIFFERENTIAL (V)
40
LT1033 ? G02
LT1033 ? G03
LT1033 ? G04
1033fc
3
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