SC573 datasheet(3/17 Pages) SEMTECH

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SC573

Final Rev 2.1

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Supply Voltage Range

2.3

5.5

Output Voltage Accuracy

ΔV

OUT =1mA,

IN ≥ Max(VOUT + 1.0V or 2.3V).

-3

+/- 2

Maximum Output Current

300

Dropout Voltage

OUT = 300mA, VIN = 3.0V to 3.6V

180

450

OUT = 300mA, VIN = 3.0V to 3.6V,

-40°C

< T

A < 85°C

180

400

OUT = 300mA, VIN = 2.3V to 3.0V

300

540

OUT = 300mA, VIN = 2.3V to 3.0V

-40°C

< T

A < 85°C

300

490

Shutdown Current

EN=0,

0.1

1.2

μA

Quiescent Current

OUT = 0mA, VEN = VIN

µA

Load Regulation

ΔV

OUT = 1mA to IMAX, -40 °C≤TA ≤85°C

Line Regulation

ΔV

OUT = 1mA, -40 °C ≤ TA ≤85°C

0.02

0.1

%/V

Absolute Maximum Ratings

VIN (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

EN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

All Other Pins (V) . . . . . . . . . . . . . . . . . . .. -0.3 to (V

VIN + 0.3)

ESD(1)PROTECTION LEVEL (kV). ............. ...................4

Recommended Operating Conditions

Ambient Temperature Range (°C) . . . . . . . . . -40 < T

A < +85

IN (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 to 5.5

EN to GND(V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VIN

Thermal Information

Thermal Resistance, Junction to Ambient(2) (°C/W ) .. 262

Maximum Junction Temperature (°C) . . . . . . . . . . . . . . +125

Storage Temperature Range (°C). . . . . . . . . . . . -65 to +150

Peak IR Reflow Temperature (10s to 30s) (°C) . . . . . . . +260

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

specified in the Electrical Characteristics section is not recommended.

NOTES:

(1) Tested according to JEDEC standard JESD22-A114-B.

(2) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.

Electrical Characteristics

Unless otherwise noted V

VIN = Max[VOUT + 1.0V or 2.3V], CIN = 1μF, COUT = 1μF, VEN = VVIN, -40 °C < Tj < 125°C. Typical values are at TA =

25°C. All specifications apply to both LDOs unless otherwise noted.

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