SC1565 IST-2.5TR datasheet, PDF

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SC1565 IST-2.5TR: DescriptionLDO Regulator Pos 2.5V 1.5A 4-Pin(3+Tab) SOT-223 T/R; File Size261KB，14 Pages; ManufacturerSEMTECH; Websitehttp://www.semtech.com

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SC1565 IST-2.5TR Overview

LDO Regulator Pos 2.5V 1.5A 4-Pin(3+Tab) SOT-223 T/R

SC1565 IST-2.5TR Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Not Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Type	LDO
Number of Outputs	1
Polarity	Positive
Accuracy (%)	±1
Output Type	Fixed
Output Voltage (V)	2.5
Maximum Output Current (A)	1.5
Minimum Input Voltage (V)	2.2
Maximum Input Voltage (V)	5.5
Maximum Dropout Voltage @ Current (V)	0.01@10mA\|0.3@500mA\|0.4@1A\|0.5@1.5A
Line Regulation	0.035%(Typ)
Load Regulation	0.2%(Typ)
Maximum Quiescent Current (mA)	1.75
Junction to Ambient	63°C/W
Junction to Case	27°C/W
Special Features	Current Limit\|Shutdown\|Thermal Protection
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Packaging	Tape and Reel
Supplier Package	SOT-223
Pin Count	4
Standard Package Name	SOT-223
Mounting	Surface Mount
Package Height	1.6
Package Length	6.5
Package Width	3.5
PCB changed	3
Tab	Tab
Lead Shape	Gull-wing

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Very Low Dropout

1.5 Amp Regulator With Enable

POWER MANAGEMENT

Description

The SC1565 is a high performance positive voltage

regulator designed for use in applications requiring very

low dropout voltage at up to 1.5 Amps. Since it has

superior dropout characteristics compared to regular

LDOs, it can be used to supply 2.5V on motherboards or

2.8V on peripheral cards from the 3.3V supply thus

allowing the elimination of costly heatsinks. Additionally,

the 5-lead TO-220/TO-263 and SO-8 versions have an

enable pin to further reduce power dissipation while shut

down. The SC1565 provides excellent regulation over

variations in line, load and temperature.

The SC1565 is available in SO-8, 3-lead SOT-223, 3 and

5 lead TO-220 and 3 and 5 lead TO-263 packages. Three

lead packages are available with 1.8V and 2.5V fixed

output options only. The SO-8, TO-220-5 and TO-263-5

are available with 1.8V and 2.5V internally preset

outputs that are also adjustable using external resistors.

SC1565

Features

350mV dropout @ 1.5A

Adjustable output from 1.2V to 4.8V

(1)

2.5V and 1.8V options (adjustable externally

using resistors)

(1)

Over current and over temperature protection

Enable pin

(1)

10µA quiescent current in shutdown

(1)

Low reverse leakage (output to input)

Surface mount and through-hole packages

Full industrial temperature range

TO-220, TO-263, SOT-223 and SO-8 Packages

Note:

(1) SO-8, TO-220-5 and TO-263-5 packages only.

Applications

Battery powered systems

Motherboards

Peripheral cards

Network cards

Set Top Boxes

Medical Equipment

Notebook Computers

Typical Application Circuits

ENABLE

VIN

ADJ

GND

ENABLE

VIN

ADJ

GND

SC1565IS-X.X

1.200 (R1

R2)

Volts

SC1565I5T-X.X

VIN

ENABLE

VIN

GND ADJ

1.200 (R1

R2)

Volts

SC1565IT-X.X

VIN

GND

Notes:

(1) Maximum VO setpoint for 1.8V parts = 5.4V.

(2) This device is designed to operate with ceramic input and output capacitors.

Revision: November 25, 2009

www.semtech.com

SC1565 IST-2.5TR Related Products

	SC1565 IST-2.5TR	SC1565IS-1.8TRT	162-19.6608M-12-25GW	SC1565IM-2.5TRT	SC1565IT-2.5T	SC1565IST-1.8TRT	SC1565I5M-2.5TR
Description	LDO Regulator Pos 2.5V 1.5A 4-Pin(3+Tab) SOT-223 T/R	LDO Regulator Pos 1.8V 1.5A 8-Pin SO T/R	Parallel - Fundamental Quartz Crystal, 19.6608MHz Nom, UM-5, 2 PIN	LDO Regulator Pos 2.5V 1.5A 4-Pin(3+Tab) TO-263 T/R	LDO Regulator Pos 2.5V 1.5A 3-Pin(3+Tab) TO-220 Tube	LDO Regulator Pos 1.8V 1.5A 4-Pin(3+Tab) SOT-223 T/R	LDO Regulator Pos 1.2V to 4.8V2.5V 1.5A 6-Pin(5+Tab) TO-263 T/R
EU restricts the use of certain hazardous substances	Not Compliant	Compliant	-	Compliant	Compliant	Compliant with Exemption	Not Compliant
ECCN (US)	EAR99	EAR99	-	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Unconfirmed	-	Active	Active	Active	Active
HTS	8542.39.00.01	8542.39.00.01	-	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01
Type	LDO	LDO	-	LDO	LDO	LDO	LDO
Number of Outputs	1	1	-	1	1	1	1
Polarity	Positive	Positive	-	Positive	Positive	Positive	Positive
Accuracy (%)	±1	±1	-	±1	±1	±1	±1
Output Type	Fixed	Fixed	-	Fixed	Fixed	Fixed	Adjustable\|Fixed
Output Voltage (V)	2.5	1.8	-	2.5	2.5	1.8	1.2 to 4.8\|2.5
Maximum Output Current (A)	1.5	1.5	-	1.5	1.5	1.5	1.5
Minimum Input Voltage (V)	2.2	2.2	-	2.2	2.2	2.2	2.2
Maximum Input Voltage (V)	5.5	5.5	-	5.5	5.5	5.5	5.5
Maximum Dropout Voltage @ Current (V)	0.01@10mA\|0.3@500mA\|0.4@1A\|0.5@1.5A	0.5@1.5A\|0.01@10mA\|0.4@1A\|0.3@500mA	-	0.5@1.5A\|0.4@1A\|0.3@500mA\|0.01@10mA	0.5@1.5A\|0.01@10mA\|0.4@1A\|0.3@500mA	0.5@1.5A\|0.3@500mA\|0.4@1A\|0.01@10mA	0.5@1.5A\|0.4@1A\|0.3@500mA\|0.01@10mA
Line Regulation	0.035%(Typ)	0.035%(Typ)	-	0.035%(Typ)	0.035%(Typ)	0.035%(Typ)	0.035%(Typ)
Load Regulation	0.2%(Typ)	0.2%(Typ)	-	0.2%(Typ)	0.2%(Typ)	0.2%(Typ)	0.2%(Typ)
Maximum Quiescent Current (mA)	1.75	1.75	-	1.75	1.75	1.75	1.75
Junction to Ambient	63°C/W	65°C/W	-	60°C/W	50°C/W	63°C/W	60°C/W
Junction to Case	27°C/W	39°C/W	-	3°C/W	3°C/W	27°C/W	3°C/W
Special Features	Current Limit\|Shutdown\|Thermal Protection	Shutdown\|Current Limit\|Thermal Protection	-	Thermal Protection\|Shutdown\|Current Limit	Current Limit\|Shutdown\|Thermal Protection	Current Limit\|Thermal Protection\|Shutdown	Current Limit\|Thermal Protection\|Shutdown
Minimum Operating Temperature (°C)	-40	-40	-	-40	-40	-40	-40
Maximum Operating Temperature (°C)	85	85	-	85	85	85	85
Supplier Temperature Grade	Industrial	Industrial	-	Industrial	Industrial	Industrial	Industrial
Packaging	Tape and Reel	Tape and Reel	-	Tape and Reel	Tube	Tape and Reel	Tape and Reel
Supplier Package	SOT-223	SO	-	TO-263	TO-220	SOT-223	TO-263
Pin Count	4	8	-	4	3	4	6
Standard Package Name	SOT-223	SOP	-	TO-263	TO-220	SOT-223	TO-263
Mounting	Surface Mount	Surface Mount	-	Surface Mount	Through Hole	Surface Mount	Surface Mount
Package Height	1.6	1.65(Max)	-	4.83(Max)	11.69(Max)	1.6	4.83(Max)
Package Length	6.5	4.9	-	10.29(Max)	10.66(Max)	6.5	10.29(Max)
Package Width	3.5	3.9	-	8.64(Max)	4.82(Max)	3.5	9.66(Max)
PCB changed	3	8	-	3	3	3	5
Tab	Tab	-	-	Tab	Tab	Tab	Tab
Lead Shape	Gull-wing	Gull-wing	-	Gull-wing	-	Gull-wing	Gull-wing

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