PL
IA
Features
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■
■
■
■
■
NT
SIP (Single In-line Package)
Output voltage programmable from
0.75 Vdc to 5.5 Vdc via external resistor
5 A output current
Up to 92 % efficiency
Small size, low profile
Cost-efficient
CO
M
■
■
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Low output ripple and noise
High reliability
Remote on/off
Output overcurrent protection
(non-latching)
*R
oH
S
SX5A-12SA SIP Non-Isolated Power Module
Description
Bourns
®
SX5A-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.
Specifications
Parameter
INPUT
Voltage
Current
Remote ON/OFF:
Low or Open = On
High = Off
OUTPUT
Voltage Adjustment Range
Current
Voltage Setpoint Accuracy
Line Regulation
Load Regulation
Temperature Regulation
Ripple (pk-pk) (20 MHz Bandwidth)
Ripple (rms)
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)
-40
-55
300
81.5
84.0
85.0
87.0
89.0
92.0
10,000
+85
+125
kHrs
°C
°C
kHz
%
%
%
%
%
%
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
0.75
0.0
-2.0
0.3
0.4
0.4
50
15
200
25
50
50
75
30
5.5
5.0
2.0
Vdc
Adc
% Vo,set
% Vo,set
% Vo,set
% Vo,set
mVpk-pk
mVrms
mV
µs
mV
µs
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
10
12
14
3.5
0.4
Vin
Vdc
Adc
Vdc
Vdc
10
µA
max.
1 mA max.
Min.
Nom.
Max.
Units
Notes
2.4
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
]
SX5A-12SA SIP Non-Isolated Power Module
Product Dimensions
BACK VIEW OF BOARD
22.9
(0.90)
Recommended Hole Pattern
COMPONENT SIDE FOOTPRINT
23.4
(0.92)
OUTLINE AREA
5 PINS
Die-Tech 315-0969-00
0.64
0.38
X
(0.025) (0.015)
4.9
(0.19)
1.09
(0.043)
PLATED
THROUGH-HOLE
1.63
(0.064)
PAD SIZE
BOTH SIDES
10.2
(0.40)
9.8
(0.385)
5
4
3
2
1
5.7
(0.23)
1.5
(0.06)
2.54
(0.100)
7.6
(0.30)
15.24
(0.600)
17.78
(0.700)
20.32
(0.800)
1.3
(.005)
2.54
(0.100)
15.24
(0.600)
17.78
(0.700)
20.32
(0.800)
Pinout Detail
PIN
1
2
3
4
5
How to Order
L1 (REF.)
SIDE VIEW
5.59
(0.220)
MAX.
FUNCTION
VOUT
TRIM
GND
VIN
ON/OFF
DIMENSIONS:
MM
(INCHES)
5.26
(0.207)
REF.
S X 5A - 12 S A
Configuration
• S = SIP
Internal Identifier
Output Current (Amps)
Input Voltage (V)
Outputs
• S = Single
Output Voltage (V)
• A = Adjustable
TOLERANCES:
0.5
(0.02)
0.25
DECIMAL .XX ±
(0.010)
DECIMAL .X ±
Fixed output voltage parts and optional features available; contact factory.
0.64
(0.025)
4.62
(0.182)
Derating Output Current vs. Local Ambient Temp & Airflow
(Vin = 12 Vdc, Vo = 3.3 Vdc)
6
Output Current (A)
5
4
3
2
1
0
25
30
35
40
45
50
55
60
65
70
75
80
85
NC (0 LFM)
1.0 m/s (200 LFM)
0.5 m/s
(100 LFM)
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
Ambient Temperature (°C)
REV. B 08/06
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
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