PL
IA
NT
Features
S
CO
M
■
*R
oH
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Industry standard SMT package
Output voltage programmable from
0.75 Vdc to 5.5 Vdc via external resistor
10 A output current
Up to 95 % efficiency
Small size, low profile
Cost-efficient
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Low output ripple and noise
High reliability
Remote on/off
Output overcurrent protection
(non-latching)
Optional sequencing function
MX(T)10A-12SA SMT Non-Isolated Power Module
Description
Bourns® MX(T)10A-12SA is a non-isolated DC-DC converter offering designers a cost and space-efficient solution with standard
features such as remote on/off, precisely regulated programmable output voltage and overcurrent protection and optional output
voltage sequencing.
Specifications
Parameter
Min.
Nom.
Max.
Units
8.3
12
14
7.0
Vdc
Adc
0.4
Vin
Vdc
Vdc
0.75
5.5
0.0
10.0
Vdc
Adc
% Vo, set
Notes
INPUT
Voltage
Current
Remote: ON/OFF
Low or Open =
High =
Standard
On
Off
OUTPUT
Voltage Adjustment Range
Current
Voltage Setpoint Accuracy
Line Regulation
Load Regulation
Temperature Regulation
E
T
E
L
O
S
B
O
-P option
Off
On
2.4
-2.0
2.0
0.3
% Vo, set
0.4
% Vo, set
0.4
10 µA max.
1 mA max.
% Vo, set
0 to +85 °C
Ripple (pk-pk) (20 MHz Bandwidth)
30
75
mVpk-pk
1 µF ceramic//10 µF tantalum capacitors
Ripple (rms)
12
30
mVrms
1 µF ceramic//10 µF tantalum capacitors
1 µF ceramic//10 µF tantalum capacitors
Dynamic Load Response:
50 % to 100 % Load or 100 % to 50 % Load;
(∆i/∆t = 2.5 A/µs; 25 °C)
200
25
mV
µs
50 % to 100 % Load or 100 % to 50 % Load;
(∆i/∆t = 2.5 A/µs; 25 °C)
100
25
mV
µs
10,000
kHrs
2 x 150 µF polymer capacitors
GENERAL
MTBF
Operating Temperature
-40
+85
Storage Temperature
-55
+125
Switching Frequency
Efficiency
(Vin = 12 Vdc, TA= 25 °C, Full Load)
°C
°C
300
kHz
87.5
%
89.0
%
90.0
%
92.0
%
93.0
%
95.0
%
Vo,set = 1.2 Vdc
Vo,set = 1.5 Vdc
Vo,set = 1.8 Vdc
Vo,set = 2.5 Vdc
Vo,set = 3.3 Vdc
Vo,set = 5.0 Vdc
Applications
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Intermediate Bus architecture
Distributed power applications
Workstations and servers
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Telecom equipment
Enterprise networks including LANs/WANs
Latest generation ICs (DSP, FPGA, ASIC) and microprocessor powered applications
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
Output Voltage Programming
Via external trim resistor between Trim and GND:
[
Rtrim =
Via application of external voltage between Trim and GND:
]
10.5
- 1.0 kΩ
Vo - 0.7525
Vtrim = (0.7 - 0.0667 x {Vo - 0.7525})
MX(T)10A-12SA SMT Non-Isolated Power Module
Product Dimensions
3.05
(0.120)
BOTTOM VIEW
SIDE VIEW
33.0
(1.30)
7.57
(0.298)
MAX.
4.83
4 PLCS.
(0.190)
SEQ*
GND
VOUT
7.54
(0.297)
DIMENSIONS:
MM
(INCHES)
7.06
(0.278)
TOLERANCES:
TRIM SENSE
10.29
13.5
(0.405) (0.53)
10.92
(0.430)
E
T
E
L
O
S
B
O
ON/OFF
VIN
1.57
(0.062)
0.5
(0.02)
0.25
DECIMAL .XX ±
(0.010)
DECIMAL .X ±
L1 (REF.)
2.84
(0.112)
1.91
(0.075)
SURFACE MOUNT
CONTACT
7 PLCS.
1.22
(0.048)
1.57
(0.062)
Pick and Place Location
*Pin Stuffed with MXT10A option only, absent with MX10A standard
Recommended Pad Layout
7.54
(0.297)
4.83
4 PLCS.
(0.190)
SENSE TRIM VOUT GND
10.29
(0.405)
ON/OFF
1.22
(0.048)
33.0
(1.30)
0.64
(0.025)
13.5
(0.53)
6.73
(0.27)
SEQ*
10.92
(0.430)
13.18
(0.52)
VIN
29.90
(1.177)
Derating Output Current vs. Local Ambient Temp & Airflow
12
3.56
2.41
X
MIN.
(0.140) (0.095)
4.19
2.79
X
MAX.
(0.165) (0.110)
*Pad required with MXT10A option only,
not required with MX10A standard
How to Order
M X (T) 10A - 12 S A (-P)
Configuration
M = Surface Mount Device
Internal Identifier
10
Output Current (A)
RECOMMENDED PAD SIZE:
8
6
4
NC (0 LFM)
2
0
25
35
45
55
65
Ambient Temperature (°C)
VIN = 12 VDC
VO = 3.3 VDC
75
85
Identifies Sequencing Pin Function (optional)
Output Current (Amps)
Input Voltage (V)
Outputs
S = Single
Output Voltage (V)*
A = Adjustable
Optional Positive On/Off Logic
*Fixed output voltage parts and optional features available; contact factory.
REV. C 08/06
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com