DC/DC CONVERTERS E Class Non-isolated 1
SMT15E Series
3.0-5.5Vin single output
NEW Product
File Name: smt15e_05.pdf Rev: 10 Sept 2003
International Safety Standard Approvals (pending)
UL/cUL CAN/CSA 22.2 No. (TBD)
UL 60950 file No. (TBD)
TÜV TÜV Product Service (EN60950) Certificate No. (TBD)
Certificate No. (TBD). CB report and certificate to IEC60950
2 YEAR WARRANTY
The SMT15E series are non-isolated DC/DC converters packaged in a surface-mount footprint
giving designers a cost effective solution for conversion from either a 3.3V or 5V input to output
voltages of 0.8V and 3.63V. The SMT15E offers a range of fixed outputs (and one wide trim
output unit) at an industry leading 15A which allows maximum design flexibility and a pathway
for future upgrades. Local voltage conversion by the SMT15E series from existing 3.3V or 5V
system voltages eliminates the need for redesign of existing power architectures when voltage
requirements change. The SMT15E is designed for applications that include distributed power,
workstations, optical network and wireless applications. Implemented using state of the art
surface-mount technology and automated manufacturing techniques, the SMT15E offers
compact size and efficiencies of up to 96%.
All specifications are typical at nominal input, full load at 25°C unless otherwise stated SPECIFICATIONS
TÜV
•15A current rating
•Input voltage range: 3.0V - 5.5V
•Output voltage range: 0.8V - 3.63V
•Ultra high efficiency: 96% @ 5Vin and 3.3Vout
•Extremely low internal power dissipation
•Minimal thermal design concerns
•Designed in reliability: MTBF of >7 million hours
per Telcordia SR-332
•Ideal solution where board space is at a premium
or tighter card pitch is required
•Industry standard surface-mount footprint
OUTPUT SPECIFICATIONS
Voltage adjustability Fixed output versions ±10%
(See Note 1) Wide trim version 0.8V to 3.63V
Setpoint accuracy ±0.4%
Line regulation ±0.2%
Load regulation ±1.0%
Minimum load 0A
Overshoot/undershoot None
Ripple and noise 60mV pk-pk
(0 to 20MHz BW) 25mV rms max.
Temperature co-efficient ±0.01%/ºC
Transient response 60mV max. deviation
50µs recovery to
within ±1.0%
Remote sense 10% Vo compensation
INPUT SPECIFICATIONS
Input voltage range 3.0 to 5.5VDC
Input current No load 70mA typ.
Input current (max.) 11.8A max. @ Io max.
and Vout = 3.63V
Input current ripple 110mA rms
Remote ON/OFF (See Note 2)
Start-up time 20ms
EMC CHARACTERISTICS
Electrostatic discharge EN61000-4-2, IEC801-2
Conducted immunity EN61000-4-6
Radiated immunity EN61000-4-3
GENERAL SPECIFICATIONS
Efficiency See table
Insulation voltage Non-isolated
Switching frequency Fixed 300kHz typ.
Approvals and EN60950
standards (pending) UL/cUL60950
Material flammability UL94V-0
Dimensions (LxWxH) 33.02 x 13.46 x 8.21mm
1.3 x 0.53 x 0.323 inches
Weight 6.3g (0.22oz)
Coplanarity 100µm
MTBF Telcordia SR-332 7,042,000 hours
MIL-HDBK-217F 680,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance Operating ambient, -40ºC to +100ºC
(See Note 3) temperature
Non-operating -40ºC to +125ºC
PROTECTION
Short-circuit Continuous
Thermal Automatic recovery