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| 型号： | MCP1754ST-1802E/CB |
| 厂商： | Microchip Technology |
| 文件页数： | 15/42页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .15A SOT-23A-3 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 3.6 V ~ 16 V |
| 电压 - 压降（标准）： | 0.3V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23A-3 |
| 包装： | 标准包装 |
| 其它名称： | MCP1754ST-1802E/CBDKR |
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MCP1754/MCP1754S
3.0
PIN DESCRIPTIONS
TABLE 3-1:
MCP1754 PIN FUNCTION TABLE
Pin No.
SOT223-5
3
4
2
—
5
1
EP
Pin No.
SOT23-5
2
5
1
—
4
3
—
Pin No.
2X3 DFN
4
1
8
3,6,7
2
5
EP
Name
GND
V OUT
V IN
NC
PWRGD
SHDN
GND
Function
Ground Terminal
Regulated Voltage Output
Unregulated Supply Voltage
No Connection
Open Drain Power Good Output
Shutdown Input
Exposed Pad, Connected to GND
TABLE 3-2:
MCP1754S PIN FUNCTION TABLE
Pin No.
SOT223-3
2
3
1
—
EP
Pin No.
SOT23A
1
2
3
—
—
Pin No.
SOT89
2
3
1
—
EP
Pin No.
2X3 DFN
4
1
8
2,3,5,6,7
EP
Name
GND
V OUT
V IN
NC
GND
Function
Ground Terminal
Regulated Voltage Output
Unregulated Supply Voltage
No Connection
Exposed Pad, Connected to GND
3.1
Ground Terminal (GND)
3.3
Unregulated Input Voltage (V IN )
Regulator ground. Tie GND to the negative side of the
output and the negative side of the input capacitor.
Only the LDO bias current flows out of this pin; there is
no high current. The LDO output regulation is
referenced to this pin. Minimize voltage drops between
this pin and the negative side of the load.
Connect V IN to the input unregulated source voltage.
Like all low dropout linear regulators, low source
impedance is necessary for the stable operation of the
LDO. The amount of capacitance required to ensure
low source impedance will depend on the proximity of
the input source capacitors or battery type. For most
applications, 1 μF of capacitance will ensure stable
3.2
Regulated Output Voltage (V OUT )
operation of the LDO circuit. The input capacitor should
have a capacitance value equal to or larger than the
Connect V OUT to the positive side of the load and the
positive terminal of the output capacitor. The positive
side of the output capacitor should be physically
located as close to the LDO V OUT pin as is practical.
The current flowing out of this pin is equal to the DC
load current.
? 2011 Microchip Technology Inc.
output capacitor for performance applications. The
input capacitor will supply the load current during
transients and improve performance. For applications
that have load currents below 10 mA, the input
capacitance requirement can be lowered. The type of
capacitor used may be ceramic, tantalum or aluminum
electrolytic. The low ESR characteristics of the ceramic
will yield better noise and PSRR performance at high-
frequency.
DS22276A-page 15
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| MCP1754ST-3302E/CB | 功能描述:低压差稳压器 - LDO LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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| MCP1754ST-3302E/MC | 功能描述:低压差稳压器 - LDO LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1754ST-5002E/CB | 功能描述:低压差稳压器 - LDO LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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