TC1301B Microchip Technology, TC1301B Datasheet

TC1301B

Manufacturer Part Number

TC1301B

Description

Dual LDO

Manufacturer

Microchip Technology

Datasheet

1.TC1301B.pdf (28 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

TC1301B-APAVMF

Manufacturer:

MICROCHIP/微芯

Quantity:

20 000

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Features

• Dual Output LDO with Microcontroller Reset

• Output Voltage and RESET Threshold Voltage

• Low Dropout Voltage:

• Low Supply Current: 116 µA, Typical

• Reference Bypass Input for Low-Noise Operation

• Both Output Voltages Stable with a Minimum of

• Separate Input for RESET Detect Voltage

• Separate V

• 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:

• Overtemperature and Overcurrent Protection

Applications

• Cellular/GSM/PHS Phones

• Battery-Operated Systems

• Hand-Held Medical Instruments

• Portable Computers/PDAs

• Linear Post-Regulators for SMPS

• Pagers

Related Literature

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

• AN766, “Pin-Compatible CMOS Upgrades to

• AN792, “A Method to Determine How Much

Monitor Functionality:

- V

Options Available (See Table 8-1)

- V

TC1301A/B with both output voltages available

1 µF Ceramic Output Capacitor

(TC1301A)

(TC1301B)

- -40°C to +125°C

DS00765, Microchip Technology Inc., 2002

BiPolar LDOs”, DS00766, Microchip Technology

Inc., 2002

Power a SOT23 Can Dissipate in an Application”,

DS00792, Microchip Technology Inc., 2001

OUT1

OUT2

RESET

OUT1

OUT2

Dual LDO with Microcontroller RESET Function

= 1.5V to 3.3V @ 300 mA

= 1.5V to 3.3V @ 150 mA

= 104 mV @ 300 mA, Typical

= 150 mV @ 150 mA, Typical

= 2.20V to 3.20V

OUT1

and V

OUT2

SHDN pins

Description

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

@ 300 mA for V

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.

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.

For the TC1301A, the microcontroller RESET function

operates independently of both V

input to the RESET function is connected to the V

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

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

the RESET function is connected internally to V

Both V

capability.

Additional features include an overcurrent limit and

overtemperature protection that, when combined,

provide a robust design for all load fault conditions.

Package Types

RESET

Bypass

OUT2

GND

OUT1

TC1301A/B

only. V

OUT1

feature

DFN8

and V

OUT1

SHDN2

SHDN1

SHDN2

8-Pin DFN/MSOP

will power-up and down with V

DET

OUT2

low

, 150 mV @ 150 mA for V

TC1301A

TC1301B

have independent shutdown

dropout

RESET

Bypass

GND

OUT1

voltage,

MSOP8

DS21798B-page 1

and V

OUT2

104 mV

SHDN2

SHDN1

SHDN2

DET

OUT2

OUT1

. The

DET

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