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Emerson

SMT40C-12SADJJ Datasheet Preview

SMT40C-12SADJJ Datasheet

DC-DC / Non-Isolated

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SMT40C Series
12 Vin single output
Total Power: 200W
Input Voltage: 10.2-13.8 Vdc
# of Outputs: Single
Embedded Power for
Business-Critical Continuity
Rev.06.25.07
smt40c
1 of 4
Special Features
• 40 A current rating
• Input voltage range:
10.2 Vdc - 13.8 Vdc
• Output voltage range:
0.9 Vdc - 5.0 Vdc
• Industry leading value
• Cost optimized design
• Excellent transient response
• Output voltage adjustability
• Pathway for future
upgrades
• Supports silicon voltage
migration
• Resulting in reduced
design-in and qualification
time
• Designed in reliability:
MTBF of >4 million hours
per Telcordia SR-332
• Current share
• Available RoHS compliant
• 2 year warranty
Safety
UL/cUL : UL/cUL CAN/CSA 22.2
No. 60950
UL 60950 File No. E139421
TÜV Product Service
(EN60950:2000)
Certificate No. B 04 08 19870 228
CB report and certificate to
IEC60950-US/6415C/UL
The SMT40C Series is a new high density open frame non-isolated
converter for space-sensitive applications. Each model has a wide
input range of 10.2 Vdc to 13.8 Vdc and offers a wide 0.9 Vdc to
5.0 Vdc output voltage range with a 40 A load. An external
resistor adjusts the output voltage from its pre-set value of 0.9 V
to any value up to 5 V. Typical efficiencies are 92% at full load
conditions. The SMT40C series offers remote ON/OFF and
overcurrent protection as standard. With full international safety
approval including EN60950 and UL/cUL60950, the SMT40C
reduces compliance costs and time to market.




Emerson

SMT40C-12SADJJ Datasheet Preview

SMT40C-12SADJJ Datasheet

DC-DC / Non-Isolated

No Preview Available !

Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input Vin = 12V, full load at 25°C unless otherwise stated.
Rev.06.25.07
smt40c
2 of 4
OUTPUT SPECIFICATIONS
Voltage adjustability
(See Note 5)
0.9-5.0 Vdc
Output setpoint accuracy 1.0% trim resistors
±3.0%
Line regulation
Low line to high line
±0.2% max.
Load regulation
Full load to min. load
±1.5% max.
Min/max load
0 A/40 A
Overshoot
At turn-on
1.0% max.
Undershoot
At turn-off
100 mV max.
Ripple and noise
5 Hz to 20 MHz
(See Note 1)
50 mV pk-pk
15 mV rms
Transient response
(See Note 2)
75 mV max. deviation
50 μs recovery to
within regulation band
Current share
Full load
±10%
INPUT SPECIFICATIONS
Input voltage range
Input current
Input current (max.)
Minimum load
Remote OFF
Input reflected ripple
Remote ON/OFF
Logic compatibility
ON
OFF
Start-up time
(See Note 8)
Turn ON threshold
Turn OFF threshold
(See Note 4)
Power up
Remote ON/OFF
10.2-13.8 Vdc
290 mA
30 mA
22 A max @ lo max
and Vin = 10.2 V
150 mA pk-pk
Positive logic
>2.4 Vdc
<0.8 Vdc
<30 ms
<30 ms
9.0 Vdc typ.
7.6 Vdc typ.
GENERAL SPECIFICATIONS
Efficiency
92% typ.
Switching frequency
Fixed
300 kHz typ.
Approvals and
standards
(See Note 7)
TÜV Product Services
IEC60950, UL/cUL60950
Material flammability
UL94V-0
Weight
28.3 g (1.0 oz)
Coplanarity
150 μm
MTBF
Telcordia SR-332,
method II @ 40 ºC
4,585,991 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
(See Note 9)
Operating ambient,
temperature
Non-operating
0 °C to +80 °C
-40 °C to +125 °C
PROTECTION
Short-circuit
Over-temperature
Foldback, non-latching
Hiccup, non-latching
RECOMMENDED SYSTEM CAPACITANCE
Input capacitance
Output capacitance
(See Note 10) 2 x 270 μF/20 mW ESR max.
(See Note 10) 3 x 680 μF/10 mW ESR max.


Part Number SMT40C-12SADJJ
Description DC-DC / Non-Isolated
Maker Emerson
Total Page 4 Pages
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