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参数资料
| 型号： | LT1764AEFE-1.5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.5V 3A 16TSSOP |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.5V |
| 输入电压： | 2.7 V ~ 20 V |
| 电压 - 压降（标准）： | 0.34V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3.1A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 带卷 (TR) |
LT1764A Series
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C. (Note 2)
PARAMETER
CONDITIONS
LT1764A-2.5 V IN = 3V, I LOAD = 1mA
MIN
2.462
TYP
2.500
MAX
2.538
UNITS
V
3.5V < V IN < 20V, 1mA < I LOAD < 3A
LT1764A-3.3 V IN = 3.8V, I LOAD = 1mA
4.3V < V IN < 20V, 1mA < I LOAD < 3A
●
●
2.412
3.250
3.183
2.500
3.300
3.300
2.575
3.350
3.400
V
V
V
ADJ Pin Voltage
LT1764A
V IN = 2.21V, I LOAD = 1mA
1.192
1.210
1.228
V
(Notes 3, 4)
E Grade: 2.7V < V IN < 20V, 1mA < I LOAD < 3A
MP Grade: 2.8V < V IN < 20V, 1mA < I LOAD < 3A
●
●
1.168
1.168
1.210
1.210
1.246
1.246
V
V
Line Regulation
Load Regulation
LT1764A-1.5
LT1764A-1.8
LT1764A-2.5
LT1764A-3.3
LT1764A (Note 3)
LT1764A-1.5
LT1764A-1.8
LT1764A-2.5
LT1764A-3.3
? V IN = 2.21V to 20V, I LOAD = 1mA
? V IN = 2.3V to 20V, I LOAD = 1mA
? V IN = 3V to 20V, I LOAD = 1mA
? V IN = 3.8V to 20V, I LOAD = 1mA
? V IN = 2.21V to 20V, I LOAD = 1mA
V IN = 2.7V, ? I LOAD = 1mA to 3A
V IN = 2.7V, ? I LOAD = 1mA to 3A
V IN = 2.8V, ? I LOAD = 1mA to 3A
V IN = 2.8V, ? I LOAD = 1mA to 3A
V IN = 3.5V, ? I LOAD = 1mA to 3A
V IN = 3.5V, ? I LOAD = 1mA to 3A
V IN = 4.3V, ? I LOAD = 1mA to 3A
V IN = 4.3V, ? I LOAD = 1mA to 3A
●
●
●
●
●
●
●
●
●
2.5
3
4
4.5
2
3
4
4
4
10
10
10
10
10
7
23
8
25
10
30
12
40
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
LT1764A (Note 3) V IN = 2.7V, ? I LOAD = 1mA to 3A
E Grade: V IN = 2.7V, ? I LOAD = 1mA to 3A
MP Grade: V IN = 2.8V, ? I LOAD = 1mA to 3A
●
●
2
5
20
20
mV
mV
mV
Dropout Voltage
V IN = V OUT(NOMINAL)
(Notes 5, 6, 11)
I LOAD = 1mA
I LOAD = 1mA
I LOAD = 100mA
I LOAD = 100mA
I LOAD = 500mA
I LOAD = 500mA
I LOAD = 1.5A
I LOAD = 1.5A
I LOAD = 3A
I LOAD = 3A
●
●
●
●
●
0.02
0.07
0.14
0.25
0.34
0.05
0.10
0.13
0.18
0.20
0.27
0.33
0.40
0.45
0.66
V
V
V
V
V
V
V
V
V
V
GND Pin Current
V IN = V OUT(NOMINAL) + 1V
(Notes 5, 7)
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
(Note 9)
Quiescent Current in Shutdown
Ripple Rejection
I LOAD = 0mA
I LOAD = 1mA
I LOAD = 100mA
I LOAD = 500mA
I LOAD = 1.5A
I LOAD = 3A
C OUT = 10 μ F, I LOAD = 3A, BW = 10Hz to 100kHz
(Notes 3, 8)
V OUT = Off to On
V OUT = On to Off
V SHDN = 0V
V SHDN = 20V
V IN = 6V, V SHDN = 0V
V IN – V OUT = 1.5V (Avg), V RIPPLE = 0.5V P-P ,
●
●
●
●
●
●
●
●
0.25
55
1
1.1
3.5
11
40
120
40
3
0.9
0.75
0.01
7
0.01
63
1.5
1.6
5
18
75
200
10
2
1
30
1
mA
mA
mA
mA
mA
mA
μ V RMS
μ A
V
V
μ A
μ A
μ A
dB
f RIPPLE = 120Hz, I LOAD = 1.5A
1764afb
3
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