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TC1301A-DFAVMFTR

更新时间： 2024-11-30 03:36:03

品牌	Logo	应用领域
美国微芯 - MICROCHIP		微控制器
页数	文件大小	规格书
28页	1006K
描述
Dual LDO with Microcontroller RESET Function

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TC1301A-DFAVMFTR 数据手册

TC1301A/B

Dual LDO with Microcontroller RESET Function

Features

Description

• Dual Output LDO with Microcontroller Reset

Monitor Functionality:

The TC1301A/B combines two Low Dropout (LDO)

regulators and a microcontroller RESET function into a

single 8-pin MSOP or DFN package. Both regulator

outputs feature low dropout voltage, 104 mV

- V_OUT1= 1.5V to 3.3V @ 300 mA

- V_OUT2= 1.5V to 3.3V @ 150 mA

- V_RESET= 2.20V to 3.20V

@ 300 mA for V_OUT1, 150 mV @ 150 mA for V_OUT2

low quiescent current consumption, 58 µA each and a

typical regulation accuracy of 0.5%. Several fixed-

output voltage and detector voltage combinations are

available. A reference bypass pin is available to further

reduce output noise and improve the power supply

rejection ratio of both LDOs.

• Output Voltage and RESET Threshold Voltage

Options Available (See Table 8-1)

• Low Dropout Voltage:

- V_OUT1= 104 mV @ 300 mA, Typical

- V_OUT2= 150 mV @ 150 mA, Typical

The TC1301A/B is stable over all line and load

conditions with a minimum of 1 µF of ceramic output

capacitance, and utilizes a unique compensation

scheme to provide fast dynamic response to sudden

line voltage and load current changes.

• Low Supply Current: 116 µA, Typical

TC1301A/B with both output voltages available

• Reference Bypass Input for Low-Noise Operation

• Both Output Voltages Stable with a Minimum of

1 µF Ceramic Output Capacitor

For the TC1301A, the microcontroller RESET function

operates independently of both V_OUT1and V_OUT2. The

input to the RESET function is connected to the V_DET

pin.The SHDN2 pin is used to control the output of

• Separate Input for RESET Detect Voltage

(TC1301A)

• Separate V_OUT1and V_OUT2SHDN pins

(TC1301B)

_OUT2only. V_OUT1will power-up and down with V_IN.

In the case of the TC1301B, the detect voltage input of

the RESET function is connected internally to V_OUT1

• RESET Output Duration: 300 ms. Typical

• Power-Saving Shutdown Mode of Operation

• Wake-up from SHDN: 5.3 µs. Typical

• Small 8-pin DFN and MSOP Package Options

• Operating Junction Temperature Range:

- -40°C to +125°C

Both V_OUT1and V_OUT2have independent shutdown

capability.

Additional features include an overcurrent limit and

overtemperature protection that, when combined,

provide a robust design for all load fault conditions.

• Overtemperature and Overcurrent Protection

Applications

Package Types

• Cellular/GSM/PHS Phones

• Battery-Operated Systems

• Hand-Held Medical Instruments

• Portable Computers/PDAs

• Linear Post-Regulators for SMPS

• Pagers

8-Pin DFN/MSOP

TC1301A

DFN8

MSOP8

V_DET

V_IN

RESET 1

RESET

V_OUT1

GND

V_DET

V_IN

V_OUT1

V_OUT2

GND

Related Literature

Bypass 4

SHDN2

Bypass

SHDN2

• AN765, “Using Microchip’s Micropower LDOs”,

DS00765, Microchip Technology Inc., 2002

TC1301B

DFN8

MSOP8

• AN766, “Pin-Compatible CMOS Upgrades to

BiPolar LDOs”, DS00766, Microchip Technology

Inc., 2002

SHDN1

V_IN

RESET 1

RESET

V_OUT1

GND

SHDN1

V_IN

V_OUT1

• AN792, “A Method to Determine How Much

Power a SOT23 Can Dissipate in an Application”,

DS00792, Microchip Technology Inc., 2001

V_OUT2

GND

Bypass 4

SHDN2

Bypass

SHDN2

DS21798B-page 1

12 3 4 5 6 7...28

中文翻译

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TC1301A-DFAVMFTR 替代型号

型号	品牌	替代类型	描述	数据表
TC1301A-DFAVMF	MICROCHIP	完全替代	Dual LDO with Microcontroller RESET Function

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