Powersolve SR20-12W Series Manuale Utente Scaricare il pdf (Pagina 2)

Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England

Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk

www.powersolve.co.uk

DC-DC Switching Regulator

Output Voltage and Current Ratings

MODEL INPUT OUTPUT OUTPUT INPUT CURRENT % EFF.

VOLTAGE VOLTAGE CURRENT No Load Full Load

6.0 - 14VDC 0.7525VDC 20A 40mA 1603mA 78%

SR20-12W-05TH 6.0 - 14VDC 1.2VDC 20A 50mA 2381mA 84%

(SIP Package) 6.0 - 14VDC 1.5VDC 20A 50mA 2874mA 87%

6.0 - 14VDC 1.8VDC 20A 50mA 3409mA 88%

6.0 - 14VDC 2.0VDC 20A 60mA 3745mA 89%

SR20-12W-05SM 6.0 - 14VDC 2.5VDC 20A 65mA 4630mA 90%

(SMT Package) 6.0 - 14VDC 3.3VDC 20A 75mA 5978mA 92%

6.5 - 14VDC 5.0VDC 20A 95mA 8865mA 94%

Nominal Input Voltage 12VDC.

Mechanical and Connection Details

Pin Function

1 +Vout

2 +Vout

3 +Sense

4 +Vout

5 Common

6 No Pin/P Good

7 Common

8 +Vin

9 +Vin

10 Sequence

11 Trim

12 On/Off Control

All Dimensions in Inches (mm).

Tolerance: Inches x.xx ±0.02 x.xxx ±0.010

Millimeters x.x ±0.5 x.xx ±0.25

SR20-12W-05SM (Vo = 3.3V) Derating CurveSR20-12W-05TH (Vo = 3.3V) Derating Curve

SIP Packages

SMT Packages

BOTTOM VIEW OF BOARD

Simplified Schematic

External Resistor Values for

Programming Output Voltage

Vo set (V) Rtrim (KΩ)

0.7525 Open

1.2 22.46

1.5 13.05

1.8 9.024

2.0 7.417

2.5 5.009

3.3 3.122

5.0 1.472

1 2

DC-DC Switching Regulator 1

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