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| 型号： | LT3014EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 20MA 8-DFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 121 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.22 V ~ 60 V |
| 输入电压： | 3 V ~ 80 V |
| 电压 - 压降（标准）： | 0.35V @ 20mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 20mA |
| 电流 - 限制（最小）： | 25mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1330 (CN2011-ZH PDF) |
LT3014
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T J = 25°C.
SYMBOL
Minimum Input Voltage
CONDITIONS
I LOAD = 20mA
l
MIN
TYP
3
MAX
3.3
UNITS
V
ADJ Pin Voltage
(Notes 2, 3)
Line Regulation
Load Regulation (Note 2)
Dropout Voltage
V IN = V OUT(NOMINAL) (Notes 4, 5)
GND Pin Current
V IN = V OUT(NOMINAL) (Notes 4, 6)
V IN = 3.3V, I LOAD = 100μA
3.3V < V IN < 80V, 100μA < I LOAD < 20mA
Δ V IN = 3.3V to 80V, I LOAD = 100μA (Note 2)
V IN = 3.3V, Δ I LOAD = 100μA to 20mA
V IN = 3.3V, Δ I LOAD = 100μA to 20mA
I LOAD = 100μA
I LOAD = 100μA
I LOAD = 1mA
I LOAD = 1mA
I LOAD = 10mA
I LOAD = 10mA
I LOAD = 20mA
I LOAD = 20mA
I LOAD = 0mA
I LOAD = 100μA
I LOAD = 1mA
I LOAD = 10mA
I LOAD = 20mA
l
l
l
l
l
l
l
l
l
l
l
l
1.200
1.180
1.220
1.220
1
13
120
200
300
350
7
12
40
250
650
1.240
1.260
10
25
40
180
250
270
360
350
450
410
570
20
30
100
450
1000
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
μA
μA
μA
μA
μA
Output Voltage Noise
C OUT = 0.47μF, I LOAD = 20mA, BW = 10Hz to 100kHz
115
μV RMS
ADJ Pin Bias Current
(Note 7)
4
10
nA
Shutdown Threshold
SHDN Pin Current (Note 8)
Quiescent Current in Shutdown
Ripple Rejection
V OUT = Off to On
V OUT = On to Off
V SHDN = 0V
V SHDN = 6V
V IN = 6V, V SHDN = 0V
V IN = 7V (Avg), V RIPPLE = 0.5V P-P , f RIPPLE = 120Hz,
l
l
l
l
l
0.25
60
1.3
1.3
1
0
1
70
2
4
1
4
V
V
μA
μA
μA
dB
I LOAD = 20mA
Current Limit
V IN = 7V, V OUT = 0V
V IN = 3.3V, Δ V OUT = –0.1V (Note 2)
l
25
70
mA
mA
Input Reverse Leakage Current
Reverse Output Current (Note 9)
V IN = –80V, V OUT = 0V
V OUT = 1.22V, V IN < 1.22V (Note 2)
l
2
6
4
mA
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3014 is tested and speci?ed for these conditions with the
ADJ pin connected to the OUT pin.
Note 3: Operating conditions are limited by maximum junction
temperature. The regulated output voltage speci?cation will not apply
for all possible combinations of input voltage and output current. When
operating at maximum input voltage, the output current range must be
limited. When operating at maximum output current, the input voltage
range must be limited.
Note 4: To satisfy requirements for minimum input voltage, the LT3014 is
tested and speci?ed for these conditions with an external resistor divider
(249k bottom, 392k top) for an output voltage of 3.3V. The external
resistor divider adds a 5μA DC load on the output.
Note 5: Dropout voltage is the minimum input to output voltage differential
needed to maintain regulation at a speci?ed output current. In dropout, the
output voltage is equal to (V IN – V DROPOUT ).
Note 6: GND pin current is tested with V IN = V OUT (nominal) and a current
source load. This means the device is tested while operating in its dropout
region. This is the worst-case GND pin current. The GND pin current
decreases slightly at higher input voltages.
Note 7: ADJ pin bias current ?ows into the ADJ pin.
Note 8: SHDN pin current ?ows out of the SHDN pin.
Note 9: Reverse output current is tested with the IN pin grounded and the
OUT pin forced to the rated output voltage. This current ?ows into the OUT
pin and out of the GND pin.
Note 10: The LT3014 is tested and speci?ed under pulse load conditions
such that T J ? T A . The LT3014E is 100% tested at T A = 25°C. Performance
at –40°C to 125°C is assured by design, characterization, and statistical
3014fd
3
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