User guide

Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: [phone] Fax: [phone] Email: [e-mail]
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
3.0 - 5.5VDC 1.0V 15A 60mA 3658mA 82%
SR15-05-33TH 3.0 - 5.5VDC 1.2V 15A 60mA 4286mA 84%
(SIP Package) 3.0 - 5.5VDC 1.5V 15A 60mA 5172mA 87%
3.0 - 5.5VDC 1.8V 15A 70mA 6136mA 88%
SR15-05-33SM 3.0 - 5.5VDC 2.0V 15A 70mA 6742mA 89%
(SMT Package) 3.0 - 5.5VDC 2.5V 15A 70mA 8152mA 92%
4.5 - 5.5VDC 3.3V 15A 70mA 10532mA 94%
Nominal Input Voltage 5.0VDC.
Mechanical and Connection Details
Pin Function
1 +Vout
2 +Vout
3 +Sense
4 +Vout
5 Common
6 Common
7 +Vin
8 +Vin
9 No Pin
10 Trim
11 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
SR15-05-33SM Derating CurveSR15-05-33TH Derating Curve
SIP Packages
SMT Packages
BOTTOM VIEW OF BOARD
Simplified Schematic
External Resistor Values for
Programming Output Voltage
Vo set (V) Rtrim (KΩ)
0.90 135.36
1.00 79.17
1.20 41.71
1.50 22.98
1.80 14.96
2.00 11.75
2.50 6.93
3.30 3.15
3.63 2.20