参数资料
| 型号： | LTC3025EDC#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 6DFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.4 V ~ 3.6 V |
| 输入电压： | 0.9 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.045V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 供应商设备封装： | 6-DFN-EP（2x2） |
| 包装： | 带卷 (TR) |
LTC3025
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 1.5V, V BIAS = 3.6V, V OUT = 1.2V, C OUT = 1μF, C IN = 0.1μF,
C BIAS = 0.1μF (all capacitors ceramic) unless otherwise noted. (Note 3)
PARAMETER
V IN to V OUT Dropout Voltage (Notes 4, 6, 7)
CONDITIONS
V BIAS = 2.8V, V IN = 1.5V, V ADJ = 0.37V, I OUT = 300mA
l
MIN
TYP
45
MAX
100
UNITS
mV
V BIAS to V OUT Dropout Voltage (Note 4)
I OUT Continuous Output Current
I OUT Current Limit
e n Output Voltage Noise
V IH SHDN Input High Voltage
V IL SHDN Input Low Voltage
V ADJ = 0V
f = 10Hz to 100kHz, I OUT = 300mA
l
l
l
l
300
0.9
680
80
1.4
0.3
V
mA
mA
μV RMS
V
V
I IH SHDN Input High Current
I L SHDN Input Low Current
SHDN = 1.2V
SHDN = 0V
–1
–1
1
1
μA
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: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the speci?ed maximum operating junction
temperature may impair device reliability.
Note 3: The LTC3025 regulator is tested and speci?ed under pulse
load conditions such that T J ≈ T A . The LTC3025 is 100% production
tested at 25°C. Performance at –40°C and 125°C is assured by design,
characterization and correlation with statistical process control. The
LTC3025I is guaranteed to meet performance speci?cations over the full
Note 4: For the LTC3025, a regulated output voltage will only be available
when the minimum IN and BIAS Operating Voltages as well as the IN to
OUT and BIAS to OUT Dropout Voltages are all satis?ed.
Note 5: 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 6: Dropout voltage is minimum input to output voltage differential
needed to maintain regulation at a speci?ed output current. In dropout, the
output voltage will be equal to V IN – V DROPOUT .
Note 7: The DFN output FET on-resistance in dropout is guaranteed by
correlation to wafer level measurements.
–40°C and 125°C operating junction temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
Operating BIAS Current
Dropout Voltage vs I OUT
vs Output Load
BIAS No Load Operating Current
70
V BIAS = 2.8V
400
80
V IN = 1.5V
60
350
70 V OUT = 1.2V
50
T A = 125°C
300
60
40
30
20
T A = 25°C
T A = –40°C
250
200
150
100
25°C
125°C
–40°C
50
40
30
20
125°C
–40°C
25°C
10
50
10
0
0
50
100
150
200
250
300
0
0.01
0.1
1
10
100
1000
0
2.5
3
3.5
4
4.5
5
5.5
I OUT (mA)
3025 G01
I OUT (mA)
3025 G02
V BIAS (V)
3025 G03
3025fd
3
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| LTC3025IDC#TRMPBF | 功能描述:IC REG LDO ADJ .3A 6-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 产品培训模块:More Information on LDOs 标准包装:50 系列:- 稳压器拓扑结构:正，固定式 输出电压:3.3V 输入电压:最高 15V 电压 - 压降（标准）:1.1V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:800mA 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-4，D²Pak（3 引线+接片），TO-263AA 供应商设备封装:D2PAK-3 包装:管件 |
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| LTC3025IDC-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators |
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