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Features

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SIP (Single in-line 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
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Low output ripple and noise High reliability Remote on/off Output overcurrent protection (non-latching) Optional sequencing function
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SX(T)16A-12SA SIP Non-Isolated Power Module
Description Bourns(R) SX(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 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 (pk-pk) (20 MHz Bandwidth) Ripple (rms) Dynamic Load Response: 50 % to 100 % Load or 100 % to 50 % Load; (i/t = 2.5 A/s; 25 C) 50 % to 100 % Load or 100 % to 50 % Load; (i/t = 2.5 A/s; 25 C) GENERAL MTBF Operating Temperature Storage Temperature Switching Frequency Efficiency (Vin = 12 Vdc, TA= 25 C, Full Load) -40 -55 300 85.0 87.0 88.0 90.5 92.0 94.0 Applications

Min. 8.3
Nom. 12
Max. 14 10.0
Units Vdc Adc
Notes
Standard On Off
-P option Off On
2.4
0.4 Vin 5.5 16.0 2.0 0.3 0.4 0.4 30 12 200 25 100 50 75 30
Vdc Vdc Vdc Adc % Vo, set % Vo, set % Vo, set % Vo, set mVpk-pk mVrms mV s mV s
10 A max. 1 mA max.
0.75 0.0 -2.0
0 to +85 C 1 F ceramic//10 F tantalum capacitors 1 F ceramic//10 F tantalum capacitors 1 F ceramic//10 F tantalum capacitors
2 x 150 F polymer capacitors
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
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: Rtrim = Via application of external voltage between Trim and GND: Vtrim = (0.7 - 0.0667 x {Vo - 0.7525})
[
10.5 - 1.0 k Vo - 0.7525
]
SX(T)16A-12SA SIP Non-Isolated Power Module
Product Dimensions
FRONT VIEW OF BOARD (INDUCTOR SIDE)
50.8 (2.00) 7.43 MAX. (0.293)
SIDE VIEW
6.96 REF. (0.274)
12.7 (0.50)
12.32 (0.485)
1 2 3 4 5 6 7 8 B* 9 10
11 PINS 0.64 0.38 X (0.025) (0.015)
L1 (REF.)
7.6 (0.30) 1.28 (0.050) 2.54 (0.100) 5.08 (0.200) 7.62 (0.300) 10.16 (0.400) 35.56 (1.400) 38.10 (1.500) 40.64 (1.600) 43.18 (1.700) 45.72 (1.800) 48.26 (1.900) 0.64 (0.025)
6.32 (0.249)
DIMENSIONS: MM (INCHES)
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-12SA SIP Non-Isolated Power Module
Recommended Hole Pattern
48.26 (1.900) 45.72 (1.800) 43.18 (1.700) 40.64 (1.600) 38.10 (1.500) 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 6 7 8 B* 9 10
Pinout Detail
PIN 1 2 3 4 5 6 7 8 B (optional) 9 10 FUNCTION VOUT VOUT SENSE VOUT GND GND VIN VIN SEQ TRIM ON/OFF
35.56 (1.400)
1.3 (0.05)
7.9 (0.31)
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)
OUTLINE AREA
How to Order
Derating Output Current vs. Local Ambient Temp & Airflow
S X (T) 16A - 12 S A (-P)
Output Current (A)
Configuration S = SIP 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.
18 16 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)
Reliable Electronic Solutions
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
REV. C 08/06
Specifications are subject to change without notice. Customers should verify device performance in their specific applications.

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