PL
IA
NT
Features
CO
M
■
*R
oH
S
■
■
■
■
■
Industry standard SMT package
Output voltage programmable from
0.75 Vdc to 5.5 Vdc via external resistor
16 A output current
Up to 94 % efficiency
Small size, low profile
Cost-efficient
■
■
■
■
■
Low output ripple and noise
High reliability
Remote on/off
Output overcurrent protection
(non-latching)
Optional sequencing function
MX(T)16A-12SA SMT Non-Isolated Power Module
Description
Bourns® MX(T)16A-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
10.0
Vdc
Adc
0.4
Vin
Vdc
Vdc
0.75
5.5
0.0
16.0
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
50
mV
µs
2 x 150 µF polymer capacitors
GENERAL
MTBF
10,000
kHrs
Operating Temperature
-40
+85
Storage Temperature
-55
+125
Switching Frequency
Efficiency
(Vin = 12 Vdc, TA= 25 °C, Full Load)
°C
°C
300
kHz
85.0
%
87.0
%
88.0
%
90.5
%
92.0
%
94.0
%
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
■
■
■
Intermediate Bus architecture
Distributed power applications
Workstations and servers
■
■
■
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:
[
Via application of external voltage between Trim and GND:
]
10.5
- 1.0 kΩ
Vo - 0.7525
Rtrim =
Vtrim = (0.7 - 0.0667 x {Vo - 0.7525})
MX(T)16A-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)
TRIM SENSE
TOLERANCES:
L1 (REF.)
10.29
13.5
(0.405) (0.53)
10.92
(0.430)
2.84
(0.112)
1.91
(0.075)
SURFACE MOUNT
CONTACT
7 PLCS.
1.22
(0.048)
*Pin Stuffed with MXT16A option only, absent with MX16A standard
4.83
4 PLCS.
(0.190)
SENSE TRIM VOUT GND
10.29
(0.405)
ON/OFF
1.22
(0.048)
Pick and Place Location
33.0
(1.30)
Recommended Pad Layout
7.54
(0.297)
1.57
(0.062)
0.64
(0.025)
SEQ*
10.92
(0.430)
VIN
29.90
(1.177)
RECOMMENDED PAD SIZE:
13.18
(0.52)
Derating Output Current vs. Local Ambient Temp & Airflow
3.56
2.41
X
MIN.
(0.140) (0.095)
4.19
2.79
X
MAX.
(0.165) (0.110)
*Pad required with MXT16A option only,
not required with MX16A standard
How to Order
M X (T) 16A - 12 S A (-P)
Configuration
M = Surface Mount Device
Internal Identifier
13.5
(0.53)
6.73
(0.27)
18
16
Output Current (A)
1.57
(0.062)
E
T
E
L
O
S
B
O
ON/OFF
VIN
0.5
(0.02)
0.25
DECIMAL .XX ±
(0.010)
DECIMAL .X ±
12
14
10
8
6
4
2
0
25 30
NC (0 LFM)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0 m/s (400 LFM)
VIN = 12 VDC
VO = 3.3 VDC
35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (°C)
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. E 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