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Emerson

SMT20C-05SADJJ Datasheet Preview

SMT20C-05SADJJ Datasheet

DC-DC / Non-Isolated

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SMT20C Series
5 Vin and 12 Vin
single output
Total Power: 66W
Input Voltage: 4.5-5.5 Vdc
# of Outputs: Single
Embedded Power for
Business-Critical Continuity
Rev.06.25.07
SMT20C
1 of 4
Special Features
• 20 A current rating
• Input voltage range:
4.5 Vdc - 5.5 Vdc or
10.2 Vdc - 13.8 Vdc
• Output voltage range:
0.9 Vdc - 3.3/5.0 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 >7 million hours
per Telcordia SR-332
• Available RoHS compliant
• 2 year warranty
Safety
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
US/6415C/UL
The SMT20C Series is a new high density open frame non-isolated
converter for space-sensitive applications. Each model has a wide
input range (4.5 Vdc to 5.5 Vdc or 10.2 Vdc to 13.8 Vdc) and
offers a wide 0.9 Vdc to 3.3/5 V output voltage range with a 20 A
load. An external resistor adjusts the output voltage from its
pre-set value of 0.9 V to any value up to the maximum allowed
value for that model. Typical efficiencies are 87% for the 5 V input
version and 91% for the 12 V input version at full load conditions.
The SMT20C series offers remote ON/OFF and overcurrent
protection as standard. With full international safety approval
including EN60950 and UL/cUL60950, the SMT20C reduces
compliance costs and time to market




Emerson

SMT20C-05SADJJ Datasheet Preview

SMT20C-05SADJJ 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
SMT20C
2 of 4
OUTPUT SPECIFICATIONS
Voltage adjustability
(See Note 5)
5 V input models
12 V input models
0.9-3.3 Vdc
0.9-5.0 Vdc
Output setpoint accuracy With 1.0% trim resistors
±2.5%
Line regulation
Low line to high line
±0.2% max.
Load regulation
±1.3% max.
Min/max load
0 A/20 A
Overshoot
(at turn on)
5 V input models
12 V input models
3.0% max.
1.0% max.
Ripple and noise
5 Hz to 20 MHz
(See Note 1)
See Table on page 2
Transient response
(See Note 2)
100 mV max. deviation
200 μs recovery to
within regulation band
INPUT SPECIFICATIONS
Input voltage range
Input current
Input current (max.)
(See Note 3)
Input reflected ripple
Remote ON/OFF
Logic compatibility
ON
OFF
Start-up time
(See Note 8)
5 V input model
12 V input model
Minimum load
Remote OFF
5 V input model
12 V input model
(See Note 4)
Power up
Remote ON/OFF
4.5-5.5 Vdc
10.2-13.8 Vdc
65 mA
20 mA
15 A @ lo max.
11 A @ lo max.
200 mA (pk-pk)
Positive Logic
>2.4 Vdc
<0.8 Vdc
<20 ms
<20 ms
INPUT SPECIFICATIONS (CONTD.)
Turn ON threshold
5 Vin
12 Vin
Turn OFF threshold
5 Vin
12 Vin
4.5 Vdc typ.
9.3 Vdc typ.
4.3 Vdc typ.
7.8 Vdc typ.
GENERAL SPECIFICATIONS
Efficiency
See Table on page 2
Switching frequency
Fixed
275 kHz typ.
Approvals and
standards
(See Note 7)
TÜV Product Services
IEC60950, UL/cUL60950
Material flammability
UL94V-0
Weight
14.2 g (0.5 oz)
Coplanarity
150 μm
MTBF
Telcordia SR-332
7,963,574 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 protection
Hiccup, non-latching
RECOMMENDED SYSTEM CAPACITANCE
Input capacitance
Output capacitance
(See Note 10)
(See Note 10)
270 μF/20 mW ESR max.
680 μF/10 mW ESR max.


Part Number SMT20C-05SADJJ
Description DC-DC / Non-Isolated
Maker Emerson
Total Page 4 Pages
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