参数资料
型号: LM337T
厂商: Fairchild Semiconductor
文件页数: 3/8页
文件大小: 0K
描述: IC REG LDO NEG ADJ 1.5A TO-220
产品变化通告: Heatsink Pkg Change 29/Nov 2007
标准包装: 50
稳压器拓扑结构: 负,可调式
输出电压: -1.2 V ~ -37 V
输入电压: 可下调至 -40V
稳压器数量: 1
电流 - 输出: 1.5A
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-3
供应商设备封装: TO-220-3
包装: 管件
产品目录页面: 1220 (CN2011-ZH PDF)
其它名称: LM337TFS
Typical Performance Characteristics
0.07
50
V IN = -8 V to -45 V
V IN = -6.25 V
I O = 10 mA to 0.5 A
0.06
I O = 4 mA
V OUT = -5 V
40
V OUT = -1.25 V
I O = 10 mA to 1.5 V
I O = 10 mA to 1.5 A
0.05
0.04
30
Datasheet specs at 25 C [%]
Datasheet specs at 25 C [%]
0.03
0.02
Min: -
Typ: 0.01
Max: 0.04
o
20
10
Min: -
Typ: 15 mV
Max: 50 mV
o
0.01
0.00
0
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
T A - Temperature[ C]
T A - Temperature[ C]
o
Figure 2. Line Regulation vs. Temperature
100
o
Figure 3. Load Regulations vs. Temperature
10
80
V I - V O = 5 V
I O = 40 mA
8
V I - V O = 3 V to 40 V
I O = 10 mA to 1.5 V
V I - V O = 3 V to 40 V, I O = 10 mA
V I - V O = 3 V to 40 V, I O = 1.5 A
V I - V O = 3 V, I O = 10 mA to 1.5 A
V I - V O = 40 V, I O = 10 mA to 1.5 A
Datsheet specs at 25 C
60
6
Min:
o
40
4
Typ: 2 μ A
Datasheet specs at 25 C [%]
Max: 5 μ A
o
20
0
Min: -
Typ: 50 μ A
Max: 100 μ A
2
0
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
T A - Temperature[ C]
T A - Temperature[ C]
o
Figure 4. Adjustable Pin Current vs. Temperature
1.30
10
o
Figure 5. Adjustable Pin Current Change
vs. Temperature
1.28
V I - V O = 3 V to 40 V
I O = 10 mA to 1.5 V
V I - V O = 3 V, I O = 10 mA
V I - V O = 3 V, I O = 1.5 A
V I - V O = 5 V, I O = 40 mA
V I - V O = 40 V, I O = 10 mA
8
V I - V O = 3 V to 40 V
V=3V
V I - V O = 10 V
V I - V O = 40 V
V I - V O = 40 V, I O = 1.5 A
1.26
6
Datsheet specs
m
m
1.24
4
Min:
Typ: 2.5 A
Max: 10 A
Datsheet specs at 25 C
1.22
1.20
Min: 1.213 V
Typ: 1.25 V
Max: 1.287 V
o
2
0
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
T A - Temperature[ C]
T A - Temperature[ C]
o
Figure 6. Reference Voltage vs. Temperature
? 2011 Fairchild Semiconductor Corporation
KA337 / LM337 Rev. 1.1.0
3
o
Figure 7. Minimum Load Current vs. Temperature
www.fairchildsemi.com
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