SMT06C Series | 6 A DC-DC Converter
C Class Non-Isolated
SMT06C Series
Single Output
Wide output voltage trim (0.9 Vdc to 5.0 Vdc, 6 A max.)
Power good output signal (open collector)
Input undervoltage lockout
Current sink capabilities for termination applications
Operating ambient temperature up to 80 ºC with suitable derating and forced
air cooling
Remote ON/OFF
No minimum load requirement
Non-latching overcurrent protection
5 V and 12 V input options
Available RoHS compliant
The SMT06C is a new high density open
frame non-isolated converter series 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 offer
a wide 0.9 Vdc to 5 Vdc output voltage
range with a 6 A load. An external resistor
adjusts the output voltage from its pre-set
value of 0.9 V to any value up to the 5 V
maximum. Typical efficiencies for the
models are 89% for the 5 V input version
and 91% for the 12 V input version.
The SMT06C Series offers remote
ON/OFF and overcurrent protection as
standard. With full international safety
approval including EN60950 and
UL/cUL60950, the SMT06C reduces
compliance costs and time to market.
[ 2 YEAR WARRANTY ]
1
File Name: lf_smt06c.pdf Rev (02): 23 Dec 2005
SXA10 Series | 15W DC/DC
SMT06C Series | 6 A DC-DC Converter Converter
C Class Non-Isolated
Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any
other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability.
Absolute Maximum Ratings
Characteristic
Input voltage - continuous
Operating temperature
Symbol
Vin (cont)
Top
Min
-0.3
0
Typ
Max
13.8
50
Units
V DC
ºC
Notes and Conditions
Vin(+) - Vin(-)
Measured at thermal reference
points, see Note 1. Higher
ambient operation possible with
forced air cooling. See de-rating
curves
Storage temperature
Output current
Tstorage
Iout (max)
-40
125
6
ºC
A
All specifications are typical at nominal input Vin =
12V
and 5V, full load under any resistive load combination at 25˚C unless otherwise stated.
Input Characteristics
Characteristic
Input voltage - operating (5V)
(12V)
Input current - no load
Input current - Quiescent
Input voltage variation
(5V)
(12V)
Symbol
Vin (oper)
Vin (oper)
lin
lin (off)
dv/dt
Min
4.5
10.2
50
50
5
1.0
Typ
Max
5.5
13.8
120
6.5
Units
V DC
V DC
mADC
mADC
V/ms
Vin (min) - Vin (max), enabled
Converter disabled
Product was tested at 1.2V/ms.
Much higher dv/dt is possible
(>10V/ms). Consult factory for
details
Notes and Conditions
Turn On/Off
Characteristic
Input voltage - turn on
Input voltage - turn off
Turn on delay - enabled,
then power applied
(5V)
(12V)
(5V)
(12V)
Symbol
Vin (on)
Vin (on)
Vin (off)
Vin (off)
Tdelay
(power)
Min
4.4
9.0
4.2
7.5
Typ
4.5
9.3
4.3
7.8
Max
4.6
9.6
4.4
8.1
20
Units
V DC
V DC
V DC
V DC
msec
With the Remote ON/OFF signal
asserted, this is the time from
when the input voltage reaches
the minimum specified operating
voltage until the Power Good
Turn on delay - power
applied, then Remote ON/OFF
asserted
Output to power good delay
Rise time
(5V)
(12V)
Tdelay
(Remote ON/OFF)
Tdelay
(power good)
Trise
8
10
5
ms
msec
25
msec
is asserted high
Vin = Vin (nom), then Remote
ON/OFF asserted. This is the
time taken until the power
good is asserted high
Output voltage in full regulation
to power good asserted high
From 10% to 90%; full resistive
load, 680µF capacitance
Notes and Conditions
2
File Name: lf_smt06c.pdf Rev (02): 23 Dec 2005
SMT06C Series | 6 A DC-DC Converter
C Class Non-Isolated
Signal Electrical Interface
Characteristic - Signal Name Symbol
At remote/control ON/OFF pin
Min
Typ
Max
Units
Notes and Conditions
See Notes 2 and 3
See Application Note 169 for
Remote On/Off details
Iih = 0 µA; open circuit voltage
Current flowing into control pin
when pin is pulled high
(max. at Vih = 13.8V)
Converter guaranteed on when
control pin is greater than
Vih (min)
Converter guaranteed off
when control pin is
less than Vil (max)
ViI = 0.0 V
Control pin open circuit voltage
High level input current
Vih
Iih
2.27
2.5
1.0
V
µA
High level input voltage
Vih
2.4
V
Low level input voltage
ViI
0.8
V
Low level input current
(5V)
(12V)
Iil (max)
133
500
µA
µA
Reliability and Service Life
Characteristic
Mean time between failure
Symbol
MTBF
Min
1,307,257
Typ
Max
Units
Hours
Notes and Conditions
MIL-HDBK-217F,
Vin = Vin (nom); Iout = Iout
(max); ambient 40ºC;
ground benign environment
Telcordia SR-332
Issue 3, ground benign,
temp. = 40ºC, Vin = Vin (nom),
Iout = Iout (max)
Mean time between failure
MTBF
7,562,142
Hours
3
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File Name: lf_smt06c.pdf Rev (02): 23 Dec 2005
SMT06C Series |
SXA10 Series |
Converter
6 A DC-DC
15W DC/DC
C Class Non-Isolated
Other Specifications
Characteristic
Switching frequency
Weight
Symbol
Fsw
Min
Typ
200
9.3
Max
Units
kHz
g
Notes and Conditions
Fixed frequency
Safety Agency Approvals
Characteristic
UL/cUL 60950 File No.
E139421
TÜV Product Service IEC 60950 Certificate No. B 04 08 19870 228
Material Ratings
Characteristic - Signal Name Notes and Conditions
Flammability rating
Material type
UL94V-0
FR4 PCB
Model Numbers
Model
Number
SMT06C-05SADJJ
SMT06C-12SADJJ
Input
Voltage
Output
Voltage
Output Current
(Max.)
6A
6A
Typical
Efficiency
89%
91%
Max. Load
Regulation
±0.5%
±0.5%
4.4V - 5.5V 0.9V - 3.3V
10.2V - 13.8V 0.9V - 5.0V
RoHS Compliance Ordering Information
The ‘J’ at the end of the
part
number
indicates that the
part
is Pb-free
(RoHS 6/6 compliant). TSE RoHS 5/6
(non Pb-free) compliant versions may
be available on special request, please
contact your local sales representative
for details.
4
File Name: lf_smt06c.pdf Rev (02): 23 Dec 2005
SMT06C Series | 6 A DC-DC Converter
C Class Non-Isolated
5V and 12V Model 0.9V Setpoint
Input Characteristics
Characteristic
Input current - operating
(Source)
(5V)
(Sink)
(5V)
(Source)
(Sink)
Reflected ripple current
(12V)
(12V)
Symbol
Min
Typ
Max
Units
Notes and Conditions
Iin
Iin
Iin
Iin
Iin (ripple)
1.500
-0.645
0.650
-0.285
10.0
51.0
7.0
48.0
1.0
A DC
A DC
A DC
A DC
mA
mA
mA
mA
µF
Vin = Vin (nom); Iout = Iout
(max)
Vin = Vin (nom); Iout = Iout
(max)
(5V)
(5V)
(12V)
(12V)
Input capacitance - internal
filter
Input capacitance -
external input
RMS Iout = Iout (max), measured
pk-pk with external filter. See
RMS Application Note 169 for details
pk-pk
Cinput
Cbypass
270
µF
Recommended customer
added capacitance.
Maximum ESR = 20mΩ
See Application Note 169 for
ripple current requirements
5V and 12V Model 0.9V Setpoint
Electrical Characteristics - O/P
Characteristic
Nominal set-point voltage
Line regulation
Symbol
Vo (nom)
Min
0.8775
Typ
0.9
Max
0.9225
±0.2
Units
V DC
%
Notes and Conditions
Vin = Vin (nom); Iout = Iout (max)
Iout = Iout (nom); Vin (min)
to Vin (max)
Vin = Vin (max); Iout (min) to
Iout (max)
Minus indicates sink mode
Load regulation
±0.5
%
Output current continuous
Output current - short circuit
(5V)
(12V)
Output voltage - noise
(5V) 0.9V
(12V) 0.9V
Iout
0
±6.0
A DC
Isc
1
1.1
Continuous, unit auto recovers
Vp-p
Vrms
Vp-p
Vrms
30
15
40
20
mV pk-pk Measurement bandwidth 20MHz
mV rms
See Application Note 169 for
mV pk-pk details
mV rms
5
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File Name: lf_smt06c.pdf Rev (02): 23 Dec 2005
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