LT1764AEFE-1.5#PBF datasheet, PDF

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LT1764AEFE-1.5#PBF: DescriptionIC REG LINEAR 1.5V 3A 16TSSOP; CategoryPower/power management The power supply circuit; File Size633KB，20 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT1764AEFE-1.5#PBF Overview

IC REG LINEAR 1.5V 3A 16TSSOP

LT1764AEFE-1.5#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	TSSOP
package instruction	HTSSOP, TSSOP16,.25
Contacts	16
Manufacturer packaging code	FE
Reach Compliance Code	compliant
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	0.66 V
Nominal dropback voltage 1	0.34 V
Maximum absolute input voltage	20 V
Maximum input voltage	20 V
Minimum input voltage	2.7 V
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
length	5 mm
Maximum grid adjustment rate	0.01%
Maximum load regulation	0.023%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	16
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	3 A
Maximum output voltage 1	1.545 V
Minimum output voltage 1	1.447 V
Nominal output voltage 1	1.5 V
Package body material	PLASTIC/EPOXY
encapsulated code	HTSSOP
Encapsulate equivalent code	TSSOP16,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.1 mm
surface mount	YES
technology	BIPOLAR
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Maximum voltage tolerance	3.53%
width	4.4 mm

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LT1764A Series

3A, Fast Transient

Response, Low Noise,

LDO Regulators

FEATURES

■

DESCRIPTIO

Optimized for Fast Transient Response

Output Current: 3A

Dropout Voltage: 340mV at 3A

Low Noise: 40

RMS

(10Hz to 100kHz)

1mA Quiescent Current

Wide Input Voltage Range: 2.7V to 20V

No Protection Diodes Needed

Controlled Quiescent Current in Dropout

Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V

Adjustable Output from 1.21V to 20V

< 1µA Quiescent Current in Shutdown

Stable with 10µF Output Capacitor*

Stable with Ceramic Capacitors*

Reverse Battery Protection

No Reverse Current

Thermal Limiting

APPLICATIO S

■

The LT

1764A is a low dropout regulator optimized for

fast transient response. The device is capable of supplying

3A of output current with a dropout voltage of 340mV.

Operating quiescent current is 1mA, dropping to < 1µA in

shutdown. Quiescent current is well controlled; it does not

rise in dropout as it does with many other regulators. In

addition to fast transient response, the LT1764A has very

low output voltage noise which makes the device ideal for

sensitive RF supply applications.

Output voltage range is from 1.21V to 20V. The LT1764A

regulators are stable with output capacitors as low as 10µF.

Internal protection circuitry includes reverse battery pro-

tection, current limiting, thermal limiting and reverse cur-

rent protection. The device is available in fixed output

voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable

device with a 1.21V reference voltage. The LT1764A regu-

lators are available in 5-lead TO-220 and DD packages, and

16-lead FE packages.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

*See Applications Information Section.

3.3V to 2.5V Logic Power Supply

Post Regulator for Switching Supplies

TYPICAL APPLICATIO

400

3.3V

to 2.5V

OUT

Regulator

DROPOUT VOLTAGE (mV)

2.5V

10µF*

LT1764A-2.5

SHDN SENSE

GND

1764 TA01

350

300

250

200

150

100

0.5

1.0

1.5

2.0

LOAD CURRENT (A)

2.5

3.0

1764 TA02

> 3V

10µF*

OUT

*TANTALUM,

CERAMIC OR

ALUMINUM ELECTROLYTIC

Dropout Voltage

1764afb

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