TC1301B-GDDVUATR datasheet, PDF

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TC1301B-GDDVUATR: DescriptionLDO Voltage Regulators Dual CMOS LDO 300mA & 150mA; CategoryPower/power management The power supply circuit; File Size642KB，29 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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TC1301B-GDDVUATR Overview

LDO Voltage Regulators Dual CMOS LDO 300mA & 150mA

TC1301B-GDDVUATR Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Microchip
Parts packaging code	MSOP
package instruction	TSSOP, TSSOP8,.19
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	11 weeks
Adjustability	FIXED
Maximum drop-back voltage 1	0.18 V
Nominal dropback voltage 1	0.15 V
Maximum drop-back voltage 2	0.25 V
Maximum absolute input voltage	6.5 V
Maximum input voltage	6 V
Minimum input voltage	2.7 V
JESD-30 code	S-PDSO-G8
JESD-609 code	e3
length	3 mm
Maximum grid adjustment rate	0.012%
Maximum load regulation	0.03%
Humidity sensitivity level	1
Number of functions	1
Output times	2
Number of terminals	8
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	0.3 A
Maximum output current 2	0.15 A
Maximum output voltage 1	2.7675 V
Minimum output voltage 1	2.6325 V
Nominal output voltage 1	2.7 V
Maximum output voltage 2	3.075 V
Minimum output voltage 2	2.925 V
Nominal output voltage 2	3 V
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Regulator type	FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR
Maximum seat height	1.1 mm
surface mount	YES
technology	CMOS
Terminal surface	Matte Tin (Sn) - annealed
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
Maximum voltage tolerance	2.5%
width	3 mm
Base Number Matches	1

User Manual

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TC1301A/B

Dual LDO with Microcontroller RESET Function

Features

• Dual Output LDO with Microcontroller Reset

Monitor Functionality:

- 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

• 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)

• 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

• Separate Input for RESET Detect Voltage

(TC1301A)

• Separate V

OUT1

and V

OUT2

SHDN pins

(TC1301B)

• 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

• Overtemperature and Overcurrent Protection

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 feature low dropout voltage, 104 mV

@ 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.

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

OUT1

and 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

OUT2

only. V

OUT1

will power-up and down with V

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

the RESET function is connected internally to V

OUT1

Both V

OUT1

and V

OUT2

have independent shutdown

capability.

Additional features include an overcurrent limit and

overtemperature protection that, when combined,

provide a robust design for all load fault conditions.

Applications

•

Cellular/GSM/PHS Phones

Battery-Operated Systems

Hand-Held Medical Instruments

Portable Computers/PDAs

Linear Post-Regulators for SMPS

Pagers

Package Types

8-Pin DFN/MSOP

TC1301A

DFN8

RESET 1

OUT1

GND 3

Bypass 4

8 V

DET

7 V

6 V

OUT2

5 SHDN2

RESET 1

OUT1

GND 3

Bypass 4

MSOP8

8 V

DET

7 V

6 V

OUT2

5 SHDN2

Related Literature

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

DS00765, Microchip Technology Inc., 2002

• AN766, “Pin-Compatible CMOS Upgrades to

BiPolar LDOs”, DS00766, Microchip Technology

Inc., 2002

• AN792, “A Method to Determine How Much

Power a SOT23 Can Dissipate in an Application”,

DS00792, Microchip Technology Inc., 2001

TC1301B

DFN8

RESET 1

OUT1

GND 3

Bypass 4

8 SHDN1

7 V

6 V

OUT2

5 SHDN2

RESET 1

OUT1

GND 3

Bypass 4

MSOP8

8 SHDN1

7 V

6 V

OUT2

5 SHDN2

2008 Microchip Technology Inc.

DS21798C-page 1

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