参数资料
型号: LT1763IDE#TRPBF
厂商: Linear Technology
文件页数: 10/22页
文件大小: 0K
描述: IC REG LDO ADJ .5A 12DFN
标准包装: 2,500
稳压器拓扑结构: 正,可调式
输出电压: 1.22 V ~ 20 V
输入电压: 1.8 V ~ 20 V
电压 - 压降(标准): 0.3V @ 500mA
稳压器数量: 1
电流 - 输出: 500mA
电流 - 限制(最小): 520mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN(4x3)
包装: 带卷 (TR)
LT1763 Series
TYPICAL PERFORMANCE CHARACTERISTICS
12
LT1763-2.5
GND Pin Current
T J = 25°C
12
LT1763-3
GND Pin Current
T J = 25°C
12
LT1763-3.3
GND Pin Current
T J = 25°C
10
8
6
R L = 5Ω
I L = 500mA*
V IN = V SHDN
*FOR V OUT = 2.5V
R L = 8.33Ω
I L = 300mA*
10
8
6
R L = 6Ω
I L = 500mA*
V IN = V SHDN
*FOR V OUT = 3V
R L = 10Ω
I L = 300mA*
10
8
6
V IN = V SHDN
*FOR V OUT = 3.3V
R L = 6.6Ω
I L = 500mA*
R L = 11Ω
I L = 300mA*
4
R L = 25Ω
4
R L = 30Ω
4
R L = 33Ω
2
I L = 100mA*
2
I L = 100mA*
2
I L = 100mA*
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6 7
8
9
10
12
INPUT VOLTAGE (V)
LT1763-5
GND Pin Current
1763 G28
12
INPUT VOLTAGE (V)
LT1763
GND Pin Current
1763 G29
12
INPUT VOLTAGE (V)
GND Pin Current vs I LOAD
1763 G30
10
T J = 25°C
V IN = V SHDN
*FOR V OUT = 5V
R L = 10Ω
I L = 500mA*
10
T J = 25°C
V IN = V SHDN
*FOR V OUT = 1.22V
10
V IN = V OUT(NOMINAL) + 1V
R L = 2.44Ω
8
8
I L = 500mA*
8
6
4
2
R L = 16.7Ω
I L = 300mA*
R L = 50Ω
I L = 100mA*
6
4
2
R L = 4.07Ω
I L = 300mA*
R L = 12.2Ω
I L = 100mA*
6
4
2
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6 7
8
9
10
0
0
50 100 150 200 250 300 350 400 450 500
INPUT VOLTAGE (V)
SHDN Pin Threshold
(On-to-Off)
1763 G31
INPUT VOLTAGE (V)
SHDN Pin Threshold
(Off-to-On)
1763 G32
OUTPUT CURRENT (mA)
SHDN Pin Input Current
1763 G33
1.0
0.9
0.8
I L = 1mA
1.0
0.9
0.8
1.4
1.2
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.7
0.6
0.5
0.4
0.3
0.2
0.1
I L = 500mA
I L = 1mA
1.0
0.8
0.6
0.4
0.2
0
–50
–25
0
25
50
75
100
125
0
–50
–25
0
25
50
75
100
125
0
0
1
2
3
4
5
6 7 8
9
10
TEMPERATURE (°C)
1763 G34
TEMPERATURE (°C)
1763 G35
SHDN PIN VOLTAGE (V)
1763 G36
1763fg
10
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