Key Features:

SR7820

Low Cost, 2A Output

Non-isolated POL

Switching Regulators

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

±2.0

±3.0

%

Line Regulation

Vin = Min to Max

±0.5

±0.75

%

Load Regulation

Iout = 10% to 100%

±0.5

±1.0

%

Ripple & Noise (20 MHz)

25

45

mV P - P

Thermal Shutdown

See Note 2

150

°C

Quiescent Current

See Note 3

5

10

mA

Temperature Coefficient

0.03

%/°C

Maximum Capacitive Load

1,000

µF

Output Current Limit

5,000

mA

Short Circuit Input Power

0.5

1.8

W

Output Short Circuit

Continuous (Autorecovery)

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

Not Isolated

Switching Frequency

280

330

450

kHz

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

Ambient

-40

+25

+85

°C

Operating Temperature Range

Case

+100

°C

Storage Temperature Range

-55

+125

°C

Lead Temperature

1.5 mm From Case For 10 Sec

300

°C

Cooling

Free Air Convection

Humidity

RH, Non-condensing

95

%

Physical

Case Size

0.45 x 0.35 x 0.69 Inches (11.5 x 9.0 x 17.50 mm)

Case Material

Non-Conductive Black Plastic (UL-94V0)

Weight

0.13 Oz (3.7g)

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25°C, Gnd Benign

2.0

MHours

Series

MicroPower Direct

292 Page Street

Suite D

Stoughton, MA 02072

USA

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

W: www.micropowerdirect.com

Typical Application Circuit

Notes:

1. C1 is a low ESR ceramic capacitor used to minimize noise at the regulator.

A tantalum or low ESR electrolytic capacitor may also be used.

2. C1 & C2 are required and should be mounted as close to the regulator pins as possible.

Component Values

Model

Number

Capacitors

(µF/V)

(µF/V)

SR7820-015W

10 /25

22 / 6.3

SR7820-018W

10 /25

22 / 6.3

SR7820-02W

10 /25

22 / 6.3

SR7820-03W

10 /25

22 / 6.3

SR7820-05W

10 /25

22 / 16

SR7820-06W

10 /25

22 / 16

Electrical Specifications

Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.

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