PL
IA
NT
Features
CO
M
■
*R
oH
S
■
■
■
■
■
SIP (Single in-line package)
Output voltage programmable from
0.75 Vdc to 3.6 Vdc via external resistor
16 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
SX(T)16A-3-5SA SIP Non-Isolated Power Module
Description
Bourns® SX(T)16A-3-5SA is a non-isolated DC-DC converter offering designers a cost and space-efficient solution with standard
features such as sequencing, remote on/off, precisely regulated programmable output voltage and overcurrent protection.
Specifications
Parameter
Min.
Nom.
Max.
Units
5.5
16.0
Vdc
Adc
2.4
0.4
Vin
Vdc
Vdc
0.75
3.63
0.0
16.0
Vdc
Adc
% Vo, set
Notes
INPUT
Voltage
2.4
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
Ripple (pk-pk) (20 MHz Bandwidth)
Ripple (rms)
E
T
E
L
O
S
B
O
-P option
Off
On
-2.0
2.0
0.3
% Vo, set
0.4
% Vo, set
0.4
10 µA max.
1 mA max.
% Vo, set
25
50
mVpk-pk
1 µF ceramic//10 µF tantalum capacitors
8
15
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)
300
25
mV
µs
50 % to 100 % Load or 100 % to 50 % Load;
(∆i/∆t = 2.5 A/µs; 25 °C)
150
100
mV
µs
2 x 150 µF polymer capacitors
GENERAL
MTBF
10,000
kHrs
Operating Temperature
-40
+85
°C
Storage Temperature
-55
+125
°C
Switching Frequency
Efficiency
(Vin = 5 Vdc, TA= 25 °C, Full Load)
300
kHz
82.5
%
87.0
%
89.0
%
90.0
%
92.5
%
95.0
%
Vo,set = 0.75 Vdc
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
Applications
■
■
■
Intermediate Bus architecture
Distributed power applications
Workstations and servers
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■
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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:
]
21.07
- 5.11 kΩ
Vo - 0.7525
Vtrim = (0.7 - 0.1698 x {Vo - 0.7525})
SX(T)16A-3-5SA SIP Non-Isolated Power Module
Product Dimensions
FRONT VIEW OF BOARD (INDUCTOR SIDE)
SIDE VIEW
50.8
(2.00)
12.7
(0.50)
7.43
MAX.
(0.293)
12.32
(0.485)
1
2
3
4
5
6
7
8
B* 9
6.96
REF.
(0.274)
L1 (REF.)
11 PINS
0.38
0.64
X
(0.025) (0.015)
10
7.6
(0.30)
1.28
(0.050)
2.54
(0.100)
5.08
(0.200)
7.62
(0.300)
10.16
(0.400)
E
T
E
L
O
S
B
O
0.64
(0.025)
6.32
(0.249)
DIMENSIONS:
MM
(INCHES)
35.56
(1.400)
38.10
(1.500)
40.64
(1.600)
43.18
(1.700)
45.72
(1.800)
48.26
(1.900)
TOLERANCES:
0.5
(0.02)
0.25
DECIMAL .XX ±
(0.010)
DECIMAL .X ±
*Pin Stuffed with SXT16A option only, absent with SX16A standard
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
SX(T)16A-3-5SA SIP Non-Isolated Power Module
Recommended Hole Pattern
Pinout Detail
48.26
(1.900)
PIN
FUNCTION
45.72
(1.800)
1
VOUT
43.18
(1.700)
40.64
(1.600)
38.10
(1.500)
35.56
(1.400)
10.16
(0.400)
7.62
(0.300)
5.08
(0.200)
2.54
(0.100)
1.27
(0.050)
1
2
3
4
5
2
VOUT
3
SENSE
4
VOUT
5
GND
6
GND
7
VIN
E
T
E
L
O
S
B
O
6
7
8
B* 9
8
VIN
B (optional)
SEQ
9
TRIM
10
ON/OFF
10
7.9
(0.31)
1.3
(0.05)
OUTLINE AREA
1.09
(0.043)
THROUGH-HOLE
PLATED
1.63
(0.064)
BOTH SIDES
PAD SIZE
*Hole required with SXT16A option only, not required with SX16A standard
50.8
(2.00)
How to Order
Derating Output Current vs. Local Ambient Temp & Airflow
18.00
16.00
S X (T) 16A - 3-5 S A (-P)
Internal Identifier
Identifies Sequencing Pin Function
Output Current (Amps)
Input Voltage (V)
Outputs
S = Single
Output Voltage (V)*
A = Adjustable
14.00
Output Current (A)
Configuration
S = SIP
12.00
10.00
8.00
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)
6.00
4.00
2.00
VIN = 5.0 VDC
VO = 3.3 VDC
0.00
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (°C)
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