Powersolve PMQ7861 Series User Manual
Dc-dc switching regulator
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: [email protected]
DC-DC Switching Regulator
PMQ7861 Series
Non-Isolated 3A or 10 Watts
Features
• Wide 4.5 to 20V DC Input
• 1.2 to 12V DC Adjustable Output
• Very Compact Open PCB SIL or SMD Package
• High Efficiencies up to 88%
• 380kHz Switching Frequency
• Ideal for Battery or Distributed Power Applications
• RoHS Compliant
Electrical Specification
Input Voltage Range:
4.5V to 20V DC (Note; I/P must be 1.5V higher than O/P)
Output Current/Power:
Up to 3A depending on Vout, max power 10W
Output Voltage Set Point:
±2% Vout at 100% load
Remote On/Off Control:
Module ON 2V to 5.5V or open cct, OFF -0.7 to 1V
Temperature Regulation:
0.4% Vout
Line Regulation:
2%
Load Regulation:
2%
Ripple & Noise (20MHz Band Width):
≤3.3V 60mV pk-pk, others 120mV pk-pk max
Over Current Protection:
8-14V Input, 3.8A to 5.2A Max
Output Short Circuit Protection:
Auto reset
Input Under Voltage Lockout:
Rising Vin 4.5V, Falling Vin 4.2V
Maximum Capacitive Load:
100% resistive load + Aluminium Capacitor = 2200µF
100% resistive load + Sanyo POSCAP = 330µF
Start Up Time:
2mS typical
Switching Frequency:
380kHz
Efficiency:
88% typical at full load
Operating Temperature:
-25º to +70ºC convection cooled (derating above +55ºC)
Storage Temperature:
-55ºC to +125ºC
MTBF:
2 million hours
Dimensions:
SIP pin out 17.78 x 17.78 x 6.7 mm
SMT pin out 17.78 x17.78 x 8.8 mm
Storage Temperature:
-55ºC to +125ºC
www.powersolve.co.uk
Voltage & Current Ratings
Model
DC Input
DC Output
Trim Range
Output Current
(Depending on Vout) Max Power
Package
PMQ7861T
4.5 to 20V
1.2 to 12V
3A
10 Watts
Through Hole
PMQ7861S
4.5 to 20V
1.2 to 12V
3A
10 Watts
Surface Mount
PMQ7861T
PMQ7861S