DGP20E12T5/12 [POWER-ONE]
TRIPLE OUTPUT; 三路输出
| 型号： | DGP20E12T5/12 |
| 厂家： | 
POWER-ONE |
| 描述： | TRIPLE OUTPUT |
| 文件： | 总3页 (文件大小：903K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DGP20 SERIES
TRIPLE OUTPUT
DESCRIPTION
FEATURES
The DGP20 Series is a high performance 20 watt triple output
DC/DC converter designed for battery and telecom applications.
Power densities of up to 11 watts per cubic inch provides system
flexibility. The extended 2:1 input voltage range allows operation
over a wide variety of sources from 9 to 72 volts.
• Triple Outputs
• Five Sided Shielded Case
• Remote ON/OFF
• Efficiencies to 84%
• -40°C to +85°C Operation
• 700Volt Isolation
• Extended Range Input (2:1)
BOTTOM VIEW
2.02
(51.31)
SIDE VIEW
0.040 (1.02) DIA
7 PLACES
4
5
6
7
1.100
(27.94)
0.700
(17.78)
0.600
(15.24)
0.400
1
2
2.02
(51.31)
(10.16)
0.300
(7.62)
3
0.000
0.100
(2.54)
0.51
(13.0)
Mechanical tolerances unless otherwise noted:
X.XX dimensions: ±±.±0± inches
X.XXX dimensions: ±±.±±ꢀ inches
NOTES
(1) All parameters measured at Tc = 0ꢀ°C, nominal input voltage and full rated load unless otherwise noted.
Refer to the Technical Reference Section for the definition of terms, measurement circuits and other
information.
(0) The functional temperature range is intended to give an additional data point for use in evaluating this
power supply. At the low functional temperature the power supply will function with no side effects,
however, sustained operation at the high functional temperature will reduce expected operational life.
The data sheet specifications are not guaranteed beyond the case operating range.
(3) The case thermal impedance is specified as the case temperature rise over ambient per package watt
dissipated.
(4) Case is tied to-Input, Pin 0.
Rev. 04/2000
1
DGP20 SERIES – TRIPLE OUTPUT
NOTES
capacity connected across the input pins if a capacitive input source
is farther than 1” from the converter. To meet the reflected ripple
requirements of the converter, an input impedance of less than 0.09
Ohms from at 220KHz is required. External output capacitance is
not required for operation, however it is recommended that 1ꢀF to
10ꢀF of tantalum and 0.001 to 0.1ꢀF ceramic capacitance be
selected for reduced system noise. Additional output capacitance
may be added for increased filtering, but should not exceed 400ꢀF.
(1) All parameters measured at Tc=25°C, nominal input voltage and full rated load unless otherwise noted.
Refer to the Technical Reference Section for the definition of terms, measurement circuits and other
information.
(2) Noise is measured per Technical Reference Section. Measurement bandwidth is 0-20 MHz for peak-
peak measurements, 10 kHz to 1 MHz for RMS measurements. Output noise is measured with a 1µF
tantalum located 1" away from the converter to simulate PCB standard decoupling. Input reflected ripple
is measured into a 1 µH source impedance.
(3) Optimum performance is obtained when this power supply is operated within the minimum to
maximum load specifications.
(4) Output regulation is specified by simultaneously changing from minimum to maximum load and
noting the change in each output.
(5) Cross regulation is defined as the change in one output when the other output is changed from full
Remote ON/OFF Operation
load to 25% of full load. The converter can be run at no load on either or both outputs with no
damage.
(6) Short term stability is specified after a 30 minute warmup at full load, constant line and recording the
drift over a 24 hour period.
The remote ON/OFF pin may be left floating if this function is not
used. It is recommended to drive this pin with an open collector/
drain or a relay contact. When the ON/OFF pin is pulled low with
respect to the -INPUT, the converter is placed in a low power drain
state. The input capacitors are kept fully charged in the OFF mode.
For proper operation, do not drive this input from a logic gate
directly. The ON/OFF pin should never be pulled more than 0.3
volts below -INPUT or have a voltage greater than +8 volts applied.
DGP20 SERIES APPLICATION NOTES:
External Capacitance Requirements
No external capacitance is required for operation of the DGP20
Series. However, for maximum performance, it is recommended
that the DGP20 Series use a capacitor of sufficient ripple current
2
DGP20 SERIES – TRIPLE OUTPUT
OUTPUT POWER DERATING
DGP20 SERIES BLOCK DIAGRAM
20
15
10
5
SHIELDED ISOLATION TRANSFORMER
+5V OUTPUT
5
+
+
+12/15V OUTPUT
CMN
4
6
7
+
1
2
+ INPUT
– INPUT
LOW
NOISE
FILTER
CURRENT
MODE
PWM
–12/15V OUTPUT
+
–
ON/OFF
3
0
50
60
70
80
90
100
SHIELDED COPPER CASE
AMBIENT TEMPERATURE
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
12 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
3.5
12 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
85
12 VOLT EFFICIENCY Vs. LOAD
90
85
80
75
LINE = 9VDC
LINE = 12VDC
50% FULL LOAD
100% FULL LOAD
2.8
80
75
100% LOAD
2.1
LINE = 18VDC
1.4
50% LOAD
70
65
0.7
70
65
0.0
0
2
4
6
8
10
12 14 16
18
9
10 11 12 13 14 15 16 17
18
0
10 20 30 40 50 60 70 80 90 100
LINE INPUT (VOLTS)
LINE INPUT (VOLTS)
LOAD (%)
24 VOLT EFFICIENCY Vs. LOAD
LINE = 18VDC
24 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
90
24 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
2.0
90
85
80
75
50% FULL LOAD
100% FULL LOAD
85
80
1.5
LINE = 24VDC
100% LOAD
1.0
LINE = 36VDC
75
70
0.5
70
65
50% LOAD
0.0
0
10 20 30 40 50 60 70 80 90 100
18
20 22 24 26 28 30 32 34
36
0
4
8
12 16 20
24 28 32
36
LOAD (%)
LINE INPUT (VOLTS)
LINE INPUT (VOLTS)
48 VOLT EFFICIENCY Vs. LOAD
48 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
1.0
48 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
90
90
85
80
75
85
80
0.8
0.6
100% FULL LOAD
50% FULL LOAD
LINE = 36VDC
LINE = 48VDC
75
70
65
60
100% LOAD
0.4
70
65
0.2
50% LOAD
LINE = 72VDC
0.0
0
10 20 30 40 50 60 70 80 90 100
0
10
20
30
40
50
60
70
80
36
40 44 48 52 56 60 64 68
72
LOAD (%)
LINE INPUT (VOLTS)
LINE INPUT (VOLTS)
NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments,
or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are
subject to change without notice.
3
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