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SC1563

Very Low Dropout, Low Quiescent 500mA Regulator

Semtech Corporation 

SC1563

POWER MANAGEMENT

Absolute Maximum Ratings

Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters

specified in the Electrical Characteristics section is not implied.

Parameter

Symbol

Maximum

Units

Input Voltage

Shutdown Voltage

Power Dissipation

Thermal Resistance Junction to Ambient(1)

Operating Ambient Temperature Range

Operating Junction Temperature Range

Storage Temperature Range

Lead Temperature (Soldering) 10 sec

ESD Rating

Note:

(1) Minimum pad size.

VIN

VSHDN

PD

θJA

TA

TJ

TSTG

TLEAD

VESD

-0.3 to 7

-0.3 to VIN

Internally Limited

175

-40 to 85

-40 to 150

-65 to 150

300

2

V

V

W

°C/W

°C

°C

°C

°C

kV

Electrical Characteristics

Unless specified: VSHDN = 0V, Adjustable mode (VADJ > VTH(ADJ)): VIN = 2.2V to 5.5V and IOUT = 0A to 500mA,

Fixed mode (VADJ = GND): VIN = (VOUT + 0.7V) to 5.5V and IOUT = 0A to 500mA. Values in bold apply over full operating temperature range.

Parameter

Symbol

Conditions

Min Typ Max

Units

IN

Supply Voltage Range

VIN

Quiescent Current

IQ

OUT

VIN = 3.3V

VIN = 6.5V, VSHDN = Open

2.2

6.5

V

85 150 µA

0.01 2.00 µA

Output Voltage (1)

(Internal Fixed Voltage)

VOUT

VIN = VOUT + 0.7V, IOUT = 10mA

-1% VOUT +1%

V

-2%

+2%

Line Regulation(1)

Load Regulation(1)

REG(LINE)

REG(LOAD)

VIN = (VOUT + 0.25V) to 5.5V, IOUT = 10mA

VIN = VOUT + 0.7V

0.1 0.4 %

0.15 0.40 %

 2006 Semtech Corp.

2

www.semtech.com

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