参数资料
型号: LT3070EUFD#TRPBF
厂商: Linear Technology
文件页数: 4/28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: 2,500
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: 带卷 (TR)
LT3070
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. C OUT = 15μF (Note 9), V IN = V OUT + 0.3V (Note 5), V BIAS = 2.5V unless
otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BIAS Pin Current in Nap Mode
BIAS Pin Current,
V IN = 1.3V, V OUT = 1V
Current Limit (Note 5)
Reverse Output Current (Note 8)
PWRGD V OUT Threshold
PWRGD V OL
V BIAS Undervoltage Lockout
V IN -V OUT Servo Voltage by VIOC
VIOC Output Current
V IL Input Threshold (Logic-0 State),
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
V IZ Input Range (Logic-Z State),
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
V IH Input Threshold (Logic-1 State),
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
EN = Low
I OUT = 10mA
I OUT = 100mA
I OUT = 500mA
I OUT = 1A
I OUT = 2.5A
I OUT = 5A
V IN – V OUT < 0.3V, V BIAS = 3.3V
V IN – V OUT = 1.0V, V BIAS = 3.3V
V IN – V OUT = 1.7V, V BIAS = 3.3V
V IN = 0V, V OUT = 1.8V
Percentage of V OUT(NOMINAL) , V OUT Rising
Percentage of V OUT(NOMINAL) , V OUT Falling
I PWRGD = 200μA (Fault Condition)
V BIAS Rising
V BIAS Falling
V IN = V OUT(NOMINAL) + 150mV, Sourcing Out of the Pin
V IN = V OUT(NOMINAL) + 450mV, Sinking Into the Pin
Input Falling
Input Rising
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
120
0.75
1.25
2.0
2.6
3.5
4.5
5.1
3.2
1.2
87
82
1.1
0.9
250
160
170
0.75
V BIAS – 0.25
200
1.08
1.8
3.0
3.8
5.2
6.9
6.4
4.5
2.5
300
90
85
50
1.55
1.4
300
235
255
320
1.5
2.4
4.0
5.0
7.0
10.0
7.7
5.8
4.3
450
93
88
150
2.1
1.7
350
310
340
0.25
V BIAS – 0.9
μA
mA
mA
mA
mA
mA
mA
A
A
A
μA
%
%
mV
V
V
mV
μA
μA
V
V
V
Input Hysteresis (Both Thresholds),
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
60
mV
Input Current High,
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
Input Current Low,
V O2 , V O1 , V O0 , MARGSEL, MARGTOL
EN Pin Threshold
V IH = V BIAS = 2.5V, Current Flows Into Pin
V IL = 0V, V BIAS = 2.5V, Current Flows Out of Pin
V OUT = Off to On, V BIAS = 2.5V
V OUT = On to Off, V BIAS = 2.5V
V OUT = Off to On, V BIAS =2.2V to 3.6V
V OUT = On to Off, V BIAS =2.2V to 3.6V
l
l
l
l
l
l
0.9
0.36 ? V BIAS
25
25
40
40
1.4
0.56 ? V BIAS
μA
μA
V
V
V
V
EN Pin Logic High Current
EN Pin Logic Low Current
V EN = V BIAS = 2.5V
V EN = 0V
l
l
2.5
4.0
6.5
0.1
μA
μA
3070fb
4
For more information www.linear.com/LT3070
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