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UPM SERIES - NON-ISOLATED, 40 WATT
DESCRIPTION
UPM non-isolated DC/DC buck converters deliver high
power and excellent transient response in a compact
1.0” x 2.0” x 0.475” package. The UPM can provide up
to 40 Watts of output power at 12A output current, and
output voltages from 1.2 to 3.3V. Featuring open-
frame, 100% surface-mount construction and high
efficiency, the UPM excels in difficult thermal
environments.
FEATURES
• High Power Converter
• High Efficiency
• Excellent Transient
Response
• Sense Pins
• Surface-Mount
Construction
• Voltage Trim
• Low Profile
• Water Washable
TECHNICAL SPECIFICATIONS
Input
Voltage Range
3.3 VDC Nominal
5.0 VDC Nominal
3.0 - 3.6 VDC
4.5 - 5.5 VDC
Output
Setpoint Accuracy
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min.- I
out
Max., V
in
Nom.
Ripple and Noise, DC - 200 MHz
Remote Sense Headroom
Current Limit Protection Type
Current Limit Threshold Range, % of I
out
Rated
Short Circuit Protection Type
V
out
Ramp Up Rate, Minimum
±1%
1% V
out
1% V
out
50 mV Pk-Pk
0.25 V
Hiccup
130%
Latching
0.5V/ms
Efficiency vs. Load (5V Input)
94
92
90
EFFICIENCY %
88
86
84
82
EFF. (4.5V)
EFF. (5V)
EFF. (5.5V)
General
Switching Frequency
Temperature Coefficient
Baseplate Operating Temperature
Storage Range
Internal Input Capacitance
Recommended External Capacitance
Input
Output
Load Capacitance Compensation
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF
†
(Bellcore TR-NWT-000332)
Safety
Weight (approx.)
200 kHz
50 ppm/°C
0 to +100°C
-40 to +100°C
500
µF
Max.
200
µF/A
I
out
80
78
10
20
30
40
50
60
70
80
90
100
LOAD %
200
µF/A
I
out
User Selectable
95%
5 g, 10 - 55 Hz
2.9 x 10
6
hrs
UL, CSA, EN60950
0.9 oz
Notes
†
MTBF predictions may vary slightly from model to model.
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult factory
for specific model information.
Units are water-washable and fully compatible with commercial spray or
immersion post wave-solder washing equipment.
C-96
POWER-ONE [ POWER-ONE ]
