LT1963ES8-3.3#TR datasheet, PDF

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LT1963ES8-3.3#TR: DescriptionIC reg ldo 3.3V 1.5A 8soic; CategoryPower/power management The power supply circuit; File Size271KB，20 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT1963ES8-3.3#TR Overview

IC reg ldo 3.3V 1.5A 8soic

LT1963ES8-3.3#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Manufacturer packaging code	S8
Reach Compliance Code	_compli
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	0.55 V
Nominal dropback voltage 1	0.34 V
Maximum absolute input voltage	20 V
Maximum input voltage	20 V
Minimum input voltage	3.8 V
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Maximum grid adjustment rate	0.01%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	8
Working temperatureTJ-Max	125 °C
Operating temperatureTJ-Mi	-40 °C
Maximum output current 1	1.5 A
Maximum output voltage 1	3.4 V
Minimum output voltage 1	3.2 V
Nominal output voltage 1	3.3 V
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TR
Peak Reflow Temperature (Celsius)	255
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.75 mm
surface mount	YES
technology	BIPOLAR
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
Maximum voltage tolerance	3%
width	3.9 mm

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LT1963 Series

1.5A, Low Noise,

Fast Transient Response

LDO Regulators

FEATURES

■

DESCRIPTIO

Optimized for Fast Transient Response

Output Current: 1.5A

Dropout Voltage: 340mV

Low Noise: 40

RMS

(10Hz to 100kHz)

1mA Quiescent Current

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

Reverse Battery Protection

No Reverse Current

Thermal Limiting

5-Lead TO-220, DD, 3-Lead SOT-223, 8-Lead SO

and 16-Lead TSSOP Packages

APPLICATIO S

■

3.3V to 2.5V Logic Power Supplies

Post Regulator for Switching Supplies

The LT

1963 series are low dropout regulators optimized

for fast transient response. The devices are capable of

supplying 1.5A 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

LT1963 regulators have very low output noise which

makes them ideal for sensitive RF supply applications.

Output voltage range is from 1.21V to 20V. The LT1963

regulators are stable with output capacitors as low as

10µF. Internal protection circuitry includes reverse battery

protection, current limiting, thermal limiting and reverse

current protection. The devices are 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

LT1963 regulators are available in 5-lead TO-220, DD,

3-lead SOT-223, 8-lead SO, and Exposed Pad 16-lead

TSSOP packages.

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

All other trademarks are the property of their respective owners. Protected by U.S. Patents,

including 6118263, 6144250.

TYPICAL APPLICATION

400

3.3V to 2.5V Regulator

DROPOUT VOLTAGE (mV)

350

300

250

200

150

100

0.2

0.4 0.6 0.8 1.0 1.2

OUTPUT CURRENT (A)

1.4 1.6

1963 TA02

> 3V

10µF

OUT

LT1963-2.5

10µF

2.5V

1.5A

SHDN

SENSE

GND

1963 TA01

Dropout Voltage

1963fc

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