Powersolve SR20-12W Series - Manual (Page 2)

Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: [email protected]
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 Curve SR20-12W-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