参数资料
型号: LT3070IUFD#PBF
厂商: Linear Technology
文件页数: 8/28页
文件大小: 0K
描述: IC REG LDO ADJ 5A 28QFN
产品培训模块: LT3070 - 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator
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
LT3070
TYPICAL PERFORMANCE CHARACTERISTICS
100
80
60
PWRGD V OL vs Temperature
V BIAS = 2.5V
I PWRGD = 200μA
0.8
0.7
0.6
Logic Input Threshold Voltages
Logic Low to Hi-Z State Transitions
SEE APPLICATIONS INFORMATION
FOR MORE DETAILS
INPUT RISING
LOGIC LOW TO Hi-Z
3.0
2.9
2.8
Logic Input Threshold Voltages
Logic Hi-Z to High State Transitions
V BIAS = 3.3V
LOGIC Hi-Z TO HIGH THRESHOLD IS
RELATIVE TO V BIAS VOLTAGE
SEE APPLICATIONS INFORMATION
FOR MORE DETAILS
40
20
0.5
INPUT FALLING
LOGIC Hi-Z TO LOW
2.7
INPUT FALLING
LOGIC HIGH TO Hi-Z
INPUT RISING
LOGIC Hi-Z TO HIGH
0.4
2.6
0
–75 –50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
0.3
–75 –50 –25 0
25 50 75 100 125 150 175
2.5
–75 –50 –25 0
25 50 75 100 125 150 175
EN Pin Logic High Current
3070 G50
TEMPERATURE (°C)
Logic Pin Input Current,
High State
3070 G18
TEMPERATURE (°C)
Logic Pin Input Current,
Low State
3070 G19
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
V EN = V BIAS = 2.5V
40
35
30
25
20
15
10
5
V LOGIC = V BIAS = 2.5V
CURRENT FLOWS INTO THE PIN
40
V BIAS = 2.5V
35 V LOGIC = 0V
CURRENT FLOWS OUT OF THE PIN
30
25
20
15
10
5
1.0
–75 –50 –25 0 25 50 75 100 125 150 175
0
–75 –50 –25 0
25 50 75 100 125 150 175
0
–75 –50 –25 0
25 50 75 100 125 150 175
TEMPERATURE (°C)
SENSE Pin Current
3070 G16
TEMPERATURE (°C)
SENSE Pin Current
3070 G21
TEMPERATURE (°C)
Current Limit vs Temperature
3070 G22
65
V BIAS = 2.5V
60 V OUT = 0.8V
CURRENT FLOWS INTO SENSE
55
50
45
40
400
V BIAS = 3.3V
375 V OUT = 1.8V
CURRENT FLOWS INTO SENSE
350
325
300
275
7.50
7.25
7.00
6.75
6.50
6.25
6.00
V IN – V OUT(NOMINAL) = 300mV
35
30
25
–75 –50 –25 0
25 50 75 100 125 150 175
250
225
200
–75 –50 –25 0
25 50 75 100 125 150 175
5.75
5.50
5.25
5.00
–75 –50 –25 0
V OUT = 1.8V, V BIAS = 3.3V
V OUT = 1.2V, V BIAS = 3.3V
V OUT = 0.8V, V BIAS = 2.5V
25 50 75 100 125 150 175
8
TEMPERATURE (°C)
3070 G23
TEMPERATURE (°C)
3070 G24
For more information www.linear.com/LT3070
TEMPERATURE (°C)
3070 G25
3070fb
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