PL
IA
Features
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NT
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
S
CO
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Low output ripple and noise
High reliability
Remote on/off
Output overcurrent protection
(non-latching)
Optional sequencing function
*R
oH
M
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
INPUT
Voltage
Current
Remote: ON/OFF
Low or Open =
High =
OUTPUT
Voltage Adjustment Range
Current
Voltage Setpoint Accuracy
Line Regulation
Load Regulation
Temperature Regulation
Ripple (rms)
Standard
On
Off
8.3
12
14
7.0
Min.
Nom.
Max.
Units
Vdc
Adc
Notes
Ripple (pk-pk) (20 MHz Bandwidth)
Dynamic Load Response:
50 % to 100 % Load or 100 % to 50 % Load;
(∆i/∆t = 2.5 A/µs; 25 °C)
50 % to 100 % Load or 100 % to 50 % Load;
(∆i/∆t = 2.5 A/µs; 25 °C)
GENERAL
MTBF
Operating Temperature
Storage Temperature
Switching Frequency
Efficiency
(Vin = 12 Vdc, TA= 25 °C, Full Load)
E
T
E
L
O
S
B
O
-P option
Off
On
2.4
0.4
Vin
5.5
2.0
Vdc
Vdc
0.75
0.0
-2.0
10.0
Vdc
Adc
% Vo, set
% Vo, set
% Vo, set
% Vo, set
mVpk-pk
mVrms
mV
µs
mV
µs
0.3
0.4
0.4
30
12
75
30
200
25
100
25
10,000
-40
-55
300
87.5
89.0
90.0
92.0
93.0
95.0
+85
+125
kHrs
°C
°C
kHz
%
%
%
%
%
%
10 µA max.
1 mA max.
0 to +85 °C
1 µF ceramic//10 µF tantalum capacitors
1 µF ceramic//10 µF tantalum capacitors
1 µF ceramic//10 µF tantalum capacitors
2 x 150 µF polymer capacitors
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:
Vtrim = (0.7 - 0.0667 x {Vo - 0.7525})
[
10.5
- 1.0 kΩ
Vo - 0.7525
]
MX(T)10A-12SA SMT Non-Isolated Power Module
Product Dimensions
BOTTOM VIEW
33.0
(1.30)
3.05
(0.120)
4.83
4 PLCS.
(0.190)
7.54
(0.297)
SIDE VIEW
7.57
(0.298)
MAX.
7.06
(0.278)
DIMENSIONS:
MM
(INCHES)
SEQ*
10.92
(0.430)
GND
VOUT
TRIM SENSE
10.29
13.5
(0.405) (0.53)
L1 (REF.)
TOLERANCES:
0.5
(0.02)
0.25
DECIMAL .XX ±
(0.010)
DECIMAL .X ±
VIN
1.57
(0.062)
2.84
(0.112)
SURFACE MOUNT
CONTACT
7 PLCS.
*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)
0.64
(0.025)
ON/OFF
1.22
(0.048)
29.90
(1.177)
E
T
E
L
O
S
B
O
ON/OFF
1.91
(0.075)
1.22
(0.048)
1.57
(0.062)
Pick and Place Location
33.0
(1.30)
13.5
(0.53)
SEQ*
6.73
(0.27)
10.92
(0.430)
VIN
13.18
(0.52)
Derating Output Current vs. Local Ambient Temp & Airflow
12
10
Output Current (A)
8
6
4
NC (0 LFM)
3.56
2.41
RECOMMENDED PAD SIZE:
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
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.
2
0
25
35
45
55
65
Ambient Temperature (°C)
V
IN
= 12 V
DC
V
O
= 3.3 V
DC
75
85
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
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