VPOL5A-5-SMT Datasheet, PDF (1/11 Pages) CUI INC – point of load converter

PART NUMBER: VPOL5A-5-SMT
rev.
page ^{1 of 11}
date ^08/2007
DESCRIPTION: point of load converter
features
* high efficiency topology, typically 94% at
3.3 Vdc
* industry standard footprint
* wide ambient temperature range, -40C to
+85C
* cost efficient open frame design
* programmable output voltage via external
resistor from 0.75 to 3.63 Vdc
* no minimum load requirement (stable at all
loads)
* remote on/off
* remote sense compensation
* fixed switching frequency
* continuous short-circuit protection and over
current protection
* over-temperature protection (OTP)
* monotonic startup with pre-bias at the output.
* UL/IEC/EN60950-1 (E222736) certified.
1. INTRODUCTION
2. VPOL5A-5-SMTCONVERTER FEATURES
3. GENERAL DESCRIPTION
3.1 Electrical Description
3.2 Thermal Packaging and Physical Design.
4. TECHNICAL SPECIFICATIONS
5. MAIN FEATURES AND FUNCTIONS
5.1 Operating Temperature Range
5.2 Over-Temperature Protection (OTP)
5.3 Output Voltage Adjustment
5.4 Safe Operating Area (SOA)
5.5 Over Current Protection
5.6 Remote On/Off
5.7 UVLO (Under-Voltage Lockout)
6. SAFETY
6.1 Input Fusing and Safety Considerations.
7. APPLICATIONS
7.1 Layout Design Challenges.
7.2 Convection Requirements for Cooling
7.3 Thermal Considerations
7.4 Power De-Rating Curves
7.5 Efficiency vs Load Curves
7.6 Input Capacitance at the Power Module
7.7 Test Set-Up
7.8 VPOL5A-5-SMT Series Output Voltage Adustment.
7.9 Output Ripple and Noise Measurement
7.10 Output Capacitance
7.11 SMT Reflow Profile
8. MECHANICAL OUTLINE DIAGRAMS
8.1 SIP/SMT05 Mechanical Outline Diagrams
8.2 SMT Tape and Reel Dimensions
20050 SW 112^th Ave. Tualatin, Oregon 97062 phone [phone] fax [phone]