DP2596 Datasheet PDF - DT-SEMI
| Part Number | DP2596 | |
| Description | 3A 150KHz Step-Down Voltage Regulator | |
| Manufacturers | DT-SEMI | |
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DP2596
3A 150KHz Step-Down Voltage Regulator
■ General Description
■ Features
The DP2596 regulator is monolithic integrated
3.3V, 5V, 12V, 15V, and adjustable output
circuit that provide all the active function for a
versions
step-down (buck) switching regulator, capable of
Adjustable version output voltage range,
driving 3A load with excellent line and load
1.23V to 37V ±4% max over line and load
regulator. These devices are available in fixed output
conditions
voltage of 3.3V, 5V, 12V, 15V, and adjustable output
Guaranteed 3A output current
version.
Wide input voltage range, 7V to 40V
Requiring a minimum number of external
Requires only 4 external components
components, these regulators are simple to use and
150KHz fixed frequency internal oscillator
include internal frequency compensation and a fixed
TTL shutdown capability, low power standby
frequency oscillator.
mode
The DP2596 offer a high efficiency replacement for
High efficiency
popular three terminal linear regulators. It
Uses readily available standard inductors
substantiality reduces the size of the heat sink, and
Thermal shutdown and current limit protection
in some cases no heat sink is required.
A standard series of inductors optimized for use ■ Application
with the DP2596 are available from several different
Simple high-efficiency step-down (buck)
manufacturers. This feature greatly simplifies the
regulator
design of switch-mode power supplies.
Efficient pre-regulator for linear regulators
Other features include a guaranteed ±4%
On-card switching regulator
tolerance on output voltage within specified input
Positive to negative converter (Buck-Boost)
voltages and output load conditions, and 10% on the
Power Supply for Battery Chargers
oscillator frequency. External shutdown is included,
Negative Step-Up Converters
featuring 80uA (typical) standby current. The output
switch includes cycle-by-cycle current limiting, as
well as thermal shutdown for full protection under
fault conditions.
■ Typical Application (Fixed Output Voltage Versions)
REV : 1.0
2011-09-22
1 www.dt-semi.com
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DP2596
3A 150KHz Step-Down Voltage Regulator
■ Electrical Characteristics ([Note 1] Test Circuit Figure 2) (Unless otherwise specified, VIN = 12V
for the 3,3V, 5.0V, and Adjustable version, VIN = 25V for the 12V version, and VIN = 30V for the 15V version.
ILOAD = 500mA. For typical values TJ =25°C, for min/max values TJ is the operating junction temperature
range that applies [Not2 2], Unless otherwise noted.)
DP2576 3.3V Output
Symbol
Characteristics
Min Typ Max Unit
Output Voltage (VIN=12V, ILOAD=0.5A, TJ =25°C)
3.2 3.3 3.4 V
Output Voltage (6V≦VIN≦40V, 0.5A≦ILOAD≦=3A)
VOUT
TJ =25°C
3.168 3.3 3.432 V
TJ = -40°C to +125°C
3.135
3.465
η Efficiency (VIN = 12V, ILOAD = 3A)
73 %
DP2576 5V Output
Symbol
Characteristics
Min Typ Max Unit
Output Voltage (VIN=12V, ILOAD=0.5A, TJ =25°C)
4.85 5 5.15 V
Output Voltage (8V≦VIN≦40V, 0.5A≦ILOAD≦=3A)
VOUT
TJ =25°C
4.8 5 5.2 V
TJ = -40°C to +125°C
4.75 5.25
η Efficiency (VIN = 12V, ILOAD = 3A)
80 %
DP2576 12V Output
Symbol
Characteristics
Min Typ Max Unit
Output Voltage (VIN=15V, ILOAD=0.5A, TJ =25°C)
11.64 12 12.36 V
Output Voltage (15V≦VIN≦40V, 0.5A≦ILOAD≦=3A)
VOUT
TJ =25°C
11.52 12 12.48 V
TJ = -40°C to +125°C
12.4 12.6
η Efficiency (VIN = 15V, ILOAD = 3A)
90 %
DP2576 15V Output
Symbol
Characteristics
VOUT
η
Output Voltage (VIN=30V, ILOAD=0.5A, TJ =25°C)
Output Voltage (18V≦VIN≦40V, 0.5A≦ILOAD≦=3A)
TJ =25°C
TJ = -40°C to +125°C
Efficiency (VIN = 18V, ILOAD = 3A)
Min
14.7
14.4
14.25
REV : 1.0
2011-09-22
5
Typ Max Unit
15 15.3 V
15 15.6 V
15.75
98 %
www.dt-semi.com
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for DP2596 electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ DP2596.PDF Datasheet ] | |
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