SXT6A-3-5SA-P Bourns Inc., SXT6A-3-5SA-P Datasheet

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SXT6A-3-5SA-P

Manufacturer Part Number
SXT6A-3-5SA-P
Description
CONV DC/DC 3-5V 6A ADJ OUT SIP
Manufacturer
Bourns Inc.
Series
SX(T)r
Type
Point of Load (POL) Non-Isolated with Remote On/Offr
Datasheet

Specifications of SXT6A-3-5SA-P

Output
0.75 ~ 3.63V
Number Of Outputs
1
Power (watts)
21W
Mounting Type
Through Hole
Voltage - Input
2.4 ~ 5.5V
Package / Case
6-SIP Module
1st Output
0.75 ~ 3.63 VDC @ 6A
Size / Dimension
1.00" L x 0.26" W x 0.50" H (25.4mm x 6.6mm x 12.7mm)
Power (watts) - Rated
21.8W
Operating Temperature
-40°C ~ 85°C
Efficiency
95%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
*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.
Bourns
designers a cost and space-efficient solution with standard
features such as remote on/off, precisely regulated programmable
output voltage, overcurrent and over-temperature protection, and
optional output voltage sequencing. These modules deliver up to
6 A of output current with full load efficiency of 95 % at 3.3 V
output.
Stress in excess of absolute maximum ratings may cause permanent damage to the device. Device reliability may be affected if
exposed to absolute maximum ratings for extended time periods.
Unless otherwise specified, specifications apply over all input voltage, resistive load and temperature conditions.
Caution: The power modules are not internally fused. An external input line fast acting fuse with a maximum rating of 6 A is required.
See the Safety Considerations section of this data sheet.
Description
Applications
Absolute Maximum Ratings
Characteristic
Continuous Input Voltage
Operating Temperature Range
Storage Temperature
Sequencing Function
Electrical Specifications
Characteristic
Operating Input Voltage
Maximum Input Current
Input No Load Current
Input Stand-by Current
Inrush Transient
Input Reflected Ripple Current
Input Ripple Rejection
Intermediate Bus architecture
Distributed power applications
Workstations and servers
®
SXT6A-3-5SA is a non-isolated DC-DC converter offering
Telecom equipment
Enterprise networks including LANs/WANs
Latest generation ICs (DSP, FPGA, ASIC) and microprocessor powered applications
SXT6A-3-5SA SIP Non-Isolated Power Module
Features
SIP (Single In-line Package)
Output voltage programmable from
0.75 Vdc to 3.3 Vdc via external resistor
Up to 6 A output current
Up to 95 % efficiency
Small size, low profile, cost-efficient open
frame design
Low output ripple and noise
Min.
-0.3
-0.3
Min.
-40
-55
2.4
-
V in , max.
Nom.
Max.
+125
+85
5.8
0.6
20
45
35
30
Configuration
Internal Identifier
Identifies Sequencing Pin Function
Output Current (Amps)
Input Voltage (V)
Outputs
Output Voltage (V)*
Optional Positive On/Off Logic
Fixed output voltage parts and optional features available; contact factory.
How to Order
Max.
• S = SIP
Units
0.04
5.5
6.0
V dc
V dc
• S = Single
• A = Adjustable
°C
°C
mAp-p
Units
A dc
V dc
A 2 s
mA
mA
mA
dB
See Thermal Considerations section
V out ≤ V in - 0.5 V
Over V in range, I o max, V out = 3.3 V dc
V in = 5.0 V dc , Io = 0 A, mod. enabled,
-V out = 0.75 V dc
-V out = 3.3 V dc
V in = 5.0 V dc , module disabled
120 Hz
High reliability
Remote on/off
Output overcurrent protection
(non-latching)
Constant switching frequency (300 kHz)
Wide operating temperature range
Sequencing function
Notes & Conditions
Notes & Conditions
S X T 6A - 3 - 5 S A (-P)
1

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SXT6A-3-5SA-P Summary of contents

Page 1

... Description Bourns ® SXT6A-3-5SA 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, overcurrent and over-temperature protection, and optional output voltage sequencing. These modules deliver output current with full load efficiency 3.3 V output ...

Page 2

... SXT6A-3-5SA SIP Non-Isolated Power Module Electrical Specifications (Continued) Characteristic Output Voltage Setpoint Accuracy Output Voltage Tolerance Voltage Adjustment Range Line Regulation Load Regulation Temperature Regulation Output Current Output Current Limit Inception (Hiccup Mode) Output Short Circuit Current Output Ripple and Noise Voltage ...

Page 3

... SXT6A-3-5SA SIP Non-Isolated Power Module Feature Specifications Characteristic Remote Enable Open = On (Logic Low) Low = Off (Logic High) Turn-On Delay and Rise Times Case 1: On/Off Low – Applied Case Applied, then On/Off Set Low Case 3: Output Voltage Rise Sequencing Delay Time Tracking Accuracy ...

Page 4

... SXT6A-3-5SA SIP Non-Isolated Power Module Characteristic Curves The curves provided below are typical characteristics for the SXT6A-3-5SA modules at 25 °C. For any specific test configurations or any specific test requests, please contact Bourns. 100.0 95.0 90.0 85.0 80.0 75.0 70.0 1.0 2.0 3 ...

Page 5

... SXT6A-3-5SA SIP Non-Isolated Power Module Characteristic Curves (Continued) 5.0 4.0 3.0 2.0 1.0 0.0 -0.5 1.5 Input Voltage (V ) Fig. 7 Input Voltage vs. I and 3 6 Load: 20 mVolt 2.5 µs Half Load: 20 mVolt 2.5 µs Full Load: 20 mVolt 2.5 µs Time (2.5 µs/div) Fig ...

Page 6

... SXT6A-3-5SA SIP Non-Isolated Power Module Characteristic Curves (Continued) Output Voltage: 50 mVolt 10 µs Output Current (1.8 A/Div): 2 Volt 10 µs Time (10 µs/div) Fig. 13 Transient Response - Step = 3x100 µF Polymer Capacitors 3 ext Output Voltage: 500 mVolt 1 ms On/Off Voltage: 2 Volt 1 ms Time (1 ms/div) Fig. 14 Typical Start-up using Remote On/Off ( ...

Page 7

... SXT6A-3-5SA SIP Non-Isolated Power Module Characteristic Curves (Continued LFM 100 LFM 3 200 LFM Ambient Temperature (°C) Fig. 19 Derating Output Current vs. Local Ambient Temp. and Airflow ( LFM 4 100 LFM 200 LFM Ambient Temperature (°C) Fig. 20 Derating Output Current vs. Local Ambient Temp. and Airflow ( ...

Page 8

... To turn the device OFF, increase the voltage level on the On/Off pin above 2 shown in Figure 23, placing the part into low dissipation sleep mode. The SXT6A-3-5SA-P comes with Active HIGH Positive On/Off logic, i.e., OPEN or HIGH (>2.4 V) will turn on the device. To turn OFF, decrease the voltage level on the On/Off pin below 0.4 V. ...

Page 9

... If left open circuit the output voltage will default to 0.75 Vdc. The correct Rtrim value for a specific voltage can be calculated using the following equation: Rtrim = [21.07/(Vo-0.7525)-5.11] KΩ For example, to set the SXT6A-3-5SA to 3.3 V the following Rtrim resistor must be used: Rtrim = [21.07/(3.3-0.7525)-5.11] KΩ ...

Page 10

... SXT6A-3-5SA SIP Non-Isolated Power Module Operating Information (Continued) Voltage Margining Output voltage margining can be implemented as follows and as shown in Figure 26. 1) Trim-up: Connect a resistor, Rm-up, from the Trim pin to the ground pin for adjusting the voltage upwards, and 2) Trim-down: Connect a resistor, Rm-down, from the Trim pin to the output pin for adjusting the voltage downwards. ...

Page 11

... SXT6A-3-5SA SIP Non-Isolated Power Module Operating Information (Continued) Vo: 1 Volt 500 µs Vseq: 1 Volt 500 µs Time (0.5 ms/div) Fig. 27 Voltage Sequencing at Power Thermal Considerations Sufficient cooling must always be considered to ensure reliable operation, as these devices operate in a variety of thermal environments. ...

Page 12

... SXT6A-3-5SA SIP Non-Isolated Power Module Thermal Considerations (Continued) Air Flow Fig ref1 Temperature Measurement Location Product Dimensions BACK VIEW OF BOARD 25.4 (1.0000) 12.70 (0.5000) 12.32 (0.4850 2.54 (0.100) 2.54 (0.100) 12.7 (0.500) 15.24 (0.600) 17.78 (0.700) 20.32 (0.800 ref1 PINS DIMENSIONS: Die-Tech 315-0969-00 0 ...

Page 13

... SXT6A-3-5SA SIP Non-Isolated Power Module Recommended Hole Pattern COMPONENT SIDE FOOTPRINT 25.4 (1.0000) OUTLINE AREA 6.6 (0.26) 2.54 (0.100) 2.54 (0.100) 12.7 (0.500) 15.24 (0.600) 17.78 (0.700) 20.32 (0.800) Asia-Pacific: Europe: The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com REV ...

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