参数资料
| 型号： | LTC3025EDC#TR |
| 厂商： | Linear Technology |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 6DFN |
| 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
TYPICAL PERFORMANCE CHARACTERISTICS
50
3MHz V IN Supply Rejection
Transient Response
45
40
35
C OUT = 10μF
C OUT = 1μF
I OUT
250mA
10mA
30
25
20
15
V OUT
AC
10mV/DIV
10
5 V BIAS = 3.6V
V OUT = 1.2V
0
1.2 1.4 1.6
1.8
2.0
I OUT = 100mA
I OUT = 300mA
2.2 2.4 2.6
V IN = 1.5V
V OUT = 1.2V
V BIAS = 3.6V
C OUT = 1μF
100μs/DIV
3025 G13
V IN (V)
3025 G12
PIN FUNCTIONS
BIAS (Pin 1): BIAS Input Voltage. BIAS provides internal
power for LTC3025 circuitry. The BIAS pin should be lo-
cally bypassed to ground if the LTC3025 is more than a
few inches away from another source of bulk capacitance.
In general, the output impedance of a battery rises with
frequency, so it is usually advisable to include an input
bypass capacitor in battery-powered circuits. A capacitor
in the range of 0.01μF to 0.1μF is usually suf?cient.
GND (Pin 2): Ground. Connect to a ground plane.
IN (Pin 3): Input Supply Voltage. The output load current
is supplied directly from IN. The IN pin should be locally
bypassed to ground if the LTC3025 is more than a few inches
away from another source of bulk capacitance. In general,
the output impedance of a battery rises with frequency, so
it is usually advisable to include an input bypass capacitor
when supplying IN from a battery. A capacitor in the range
of 0.1μF to 1μF is usually suf?cient.
OUT (Pin 4): Regulated Output Voltage. The OUT pin
capacitor of at least 1μF is required to ensure stability.
Larger output capacitors may be required for applications
with large transient loads to limit peak voltage transients.
See the Applications Information section for more informa-
tion on output capacitance.
ADJ (Pin 5): Adjust Input. This is the input to the error
ampli?er. The ADJ pin reference voltage is 0.4V referenced
to ground. The output voltage range is 0.4V to 3.6V and is
typically set by connecting ADJ to a resistor divider from
OUT to GND. See Figure 2.
SHDN (Pin 6): Shutdown Input, Active Low. This pin is
used to put the LTC3025 into shutdown. The SHDN pin
current is typically less than 10nA. The SHDN pin cannot
be left ?oating and must be tied to a valid logic level (such
as BIAS) if not used.
GND (Exposed Pad Pin 7): Ground and Heat Sink. Must
be soldered to PCB ground plane or large pad for optimal
thermal performance.
supplies power to the load. A minimum ceramic output
3025fd
5
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| LTC3025EDC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:300mA Micropower VLDO Linear Regulator |
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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 |
| LTC3025IDC#TRPBF | 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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