参数资料
型号: LT3071IUFD#PBF
厂商: Linear Technology
文件页数: 6/28页
文件大小: 0K
描述: IC REG LDO ADJ 5A 28QFN
标准包装: 73
稳压器拓扑结构: 正,可调式
输出电压: 0.8 V ~ 1.8 V
输入电压: 0.95 V ~ 3 V
电压 - 压降(标准): 0.085V @ 5A
稳压器数量: 1
电流 - 输出: 5A
电流 - 限制(最小): 5.1A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 管件
LT3071
TYPICAL PERFORMANCE CHARACTERISTICS
1.818
1.814
1.810
Output Voltage (1.8V)
vs Temperature
I LOAD = 10mA
3.0
2.5
GND Pin Current vs I OUT
V IN = V OUT + 300mV
T J = 25°C
606
604
REF/BYP Pin Voltage
vs Temperature
C REF/BYP = 0.01μF
1.806
1.802
1.798
1.794
2.0
1.5
1.0
602
600
598
1.790
1.786
1.782
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
0.5
0
0
1
V OUT = 1.8V, V BIAS = 3.3V
V OUT = 1.2V, V BIAS = 3.3V
V OUT = 0.8V, V BIAS = 2.5V
2 3 4
OUTPUT CURRENT (A)
5
596
594
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3071 G10
BIAS Pin Current in Nap Mode
BIAS Pin Current vs I OUT
3071 G11
3071 G12
BIAS Pin Undervoltage Lockout
Threshold
400
V BIAS = 2.5V
350 V EN = 0V
10
9
V IN = V OUT + 300mV
T J = 25°C
2.5
300
250
200
150
8
7
6
5
4
V OUT = 1.8V
V BIAS = 3.3V
V OUT = 0.8V
V BIAS = 2.5V
2.0
1.5
1.0
V BIAS RISING
V BIAS FALLING
100
50
3
2
1
0.5
0
–75 –50 –25 0
25 50 75 100 125 150 175
0
0
1
2
3
4
5
0
–75 –50 –25 0
25 50 75 100 125 150 175
TEMPERATURE (°C)
I MON vs I OUT
3071 G13
OUTPUT CURRENT (A)
PWRGD Threshold Voltage
3071 G14
TEMPERATURE (°C)
PWRGD V OL vs Temperature
3071 G15
2.0 T IN = –55°C TO 125°C
2.5
1.5
V BIAS = 3.3V
V OUT = 0.8V TO 1.8V
V – V OUT = 300mV
J
1.00
0.95
V BIAS = 2.5V
V OUT = 1V
V OUT RISING
100
80
60
V BIAS = 2.5V
I PWRGD = 200μA
0.90
1.0
40
0.5
0.85
V OUT FALLING
20
0
0
1
2 3 4
5
6
0.80
–75 –50 –25 0
25 50 75 100 125 150 175
0
–75 –50 –25 0
25 50 75 100 125 150 175
6
OUTPUT CURRENT (A)
3071 G52
TEMPERATURE (°C)
3071 G17
For more information www.linear.com/3071
TEMPERATURE (°C)
3071 G50
3071fb
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