Delta DNT04 - Manual
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Table of Contents:
- Page 2 – TECHNICAL SPECIFICATIONS; PARAMETER
- Page 3 – ELECTRICAL CHARACTERISTICS CURVES
- Page 6 – Figure 19: Typical transient response to step load change at
- Page 7 – DESIGN CONSIDERATIONS; Input Source Impedance; Input reflected-ripple current is measured with a; GND; F tantalum and 1; Figure 25: Output voltage and efficiency measurement test; Ii
- Page 8 – Over-Temperature Protection; Rtrim; Vtrim; Circuit configuration for programming output voltage; FEATURES DESCRIPTIONS; Figure 27: Negative remote On/Off implementation; The units operate
- Page 9 – Figure 30: Circuit configuration for output voltage margining; Circuit Configuration for programming output voltage; If
- Page 10 – THERMAL CONSIDERATIONS; Thermal Testing Setup; THERMAL CURVES
- Page 11 – MECHANICAL DRAWING; SMD PACKAGE
- Page 12 – PART NUMBERING SYSTEM
Delphi DNT04, Non-Isolated Point of Load
DC/DC Power Modules: 2.4~5.5Vin, 0.75~3.63Vo, 3A out
The Delphi Series DNT04, 2.4-5.5V input, single output, non-isolated
Point of Load DC/DC converters are the latest offering from a world
leader in power systems technology and manufacturing
—
Delta
Electronics, Inc. The DNT04 series provides a programmable output
voltage from 0.75V to 3.63V via external resistors. This product family is
available in surface mount or SIP package and provides up to 3A of
output current in an industry standard footprint. With creative design
technology and optimization of component placement, these converters
possess outstanding electrical and thermal performance, as well as
extremely high reliability under highly stressful operating conditions.
The DNT04,
3A
modules have excellent thermal performance and can
provide full output current at up to 85
℃
ambient temperature with no
airflow.
OPTIONS
Positive On/Off logic
SMD or SIP package
APPLICATIONS
Telecom/DataCom
Distributed power architectures
Servers and workstations
LAN/WAN applications
Data processing applications
FEATURES
High Efficiency: 94%@ 5Vin, 3.3V/3A out
Small size and low profile:
0.80” x 0.45” x 0.27” (SMD)
0.90” x 0.40” x 0.25” (SIP)
Standard footprint and pinout
Resistor-based trim
Output voltage programmable from
0.75V to 3.63V via external resistors
Pre-bias startup
No minimum load required
Fixed frequency operation
Input UVLO, OCP
Remote ON/OFF
ISO 9001, TL 9000, ISO 14001, QS 9000,
OHSAS 18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada) Recognized,
and TUV (EN60950)- pending
CE mark meets 73/23/EEC and 93/68/EEC-
pending
PRELIMINARY DATASHEET
DS_DNT04SIP03_09262007
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Summary
DS_DNT04SIP3A_09262007 2 TECHNICAL SPECIFICATIONS (T A = 25°C, airflow rate = 300 LFM, V in = 2.4Vdc and 5.5Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS DNT04S0A0R03NFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) 0 5.8 Vdc Operating Temperatu...
DS_DNT04SIP3A_09262007 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (5Vin/3.3Vout) Figure 2: Converter efficiency vs. output current (5Vin/2.5Vout) Figure 3: Converter efficiency vs. output current (5Vin/1.8Vout) Figure 4: Converter efficiency vs. output curr...
DS_DNT04SIP3A_09262007 6 ELECTRICAL CHARACTERISTICS CURVES Figure 19: Typical transient response to step load change at 2.5A/µS from 100% to 50% of Io, max at 5Vin, 3.3Vout (Cout = 1uF ceramic, 10µF tantalum), 0.1V/div Figure 20: Typical transient response to step load change at 2.5A/µS from 50% to ...
