D78BXXX-1.0 SERIES
Single Output 1.0Amp
Non-Isolated DC-DC CONVERTER
FEATURES
SINGLE IN LINE PACKAGE
6.5-20V、9-18V WIDE INPUT RANGE
100% BURN IN
HIGH EFFICIENCY
INTERNAL SMD TECHNOLOGY
UL 94V-0 PACKAGE MATERIAL
CUSTOM SOLUTIONS AVAILABLE
RoHS COMPLIANT
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Voltage Set-point Accuracy
+/-2% max. Input Voltage Range
Temperature Coefficient
Ripple & Noise(20MHz BW)
Line Regulation
2
Load Regulation
3
Minimum Load
6.5-20V、9-18V
°
+/-0.05%/ C Input Filter
1
100mVp-p max.
D78BXXM-1.0
+/-1% max.
D78BXXT-1.0
+/-1.5%max.
D78BXXM-1.0
+/-1% max.
D78BXXT-1.0
+/-1.5%max.
GENERAL SPECIFICATIONS
D78BXXM-1.0
0% of Full Load Efficiency
D78BXXT-1.0
10% of Full Load Isolation Voltage
Short Circuit Protection
280KHz min.
1.3g Typ.
220uF max. Case Material
ENVIRONMENTAL SPECIFICATIONS
Non-Conductive Plastic
Case Size
11.6mm*7.6mm*10.14mm
-40 °C to +85 °C Conducted Emissions
EN55022 Class A
+100°C max. Radiated Emissions
EN55022 Class A
Case Temperature
°
°
-55 C to +125 C
MTBF
Humidity
Non-isolation
Automatic Weight
Capacitance Load
Storage Temperature
80 % min.
Continuous Switching Frequency
Short Circuit Restart
Operating Temperature(with derating)
Capacitor Type
4
95% max.
+25°C
+71°C
>3,260,000Hours
>1,130,000Hours
ALL SPECIFICATIONS TYPICAL AT NOMINAL LINE, FULL LOAD, AND 25 °C UNLESS OTHERWISE NOTED.
1
2
3
4
Measured with 1uF ceramic capacitor connect to the output pins.
High Line to Low Line.
Load Regulation is for output load current change from 10% to 100%.
MIL-HDBK-217F @25 °C , Ground Benign.
DANUBE
http://www.danube.com.tw
3-1
2016/01/12
SELECTION GUIDE(1)
MODEL NUMBER
INPUT
NOMINAL
VOLTAGE
VOLTAGE
(VDC)
(VDC)
OUTPUT
OUTPUT
VOLTAGE CURRENT
(VDC)
(mA)
INPUT
5
CURRENT(mA)
FULL
NO
LOAD
LOAD
EFF
6
(%)
D78B25M-1.0
6.5-20
12
2.5
1000
254
10
82
D78B33M-1.0
6.5-20
12
3.3
1000
327
10
84
D78B05M-1.0
6.5-20
12
5
1000
468
10
89
Note: Other input to output voltages may be available. Please contact factory.
SELECTION GUIDE(2)
MODEL NUMBER
INPUT
NOMINAL
VOLTAGE
VOLTAGE
(VDC)
(VDC)
OUTPUT
OUTPUT
VOLTAGE CURRENT
(VDC)
(mA)
INPUT
7
CURRENT(mA)
FULL
NO
LOAD
LOAD
EFF
8
(%)
D78B25T-1.0
9-18
12
2.5
1000
248
10
84
D78B33T-1.0
9-18
12
3.3
1000
320
10
86
D78B05T-1.0
9-18
12
5
1000
463
10
90
Note: Other input to output voltages may be available. Please contact factory.
Note1.
MODEL NUMBER
External with output capacitor(min)
D78BXXT-1.0
27uF LOW ESR(Aluminum Electrolytic Capacitors) OR 47uF/X5R(MLCC)
MECHANICAL DIMENSIONS
PACKAGE
PIN
SINGLE
1
+Vin
2
GND
3
+Vout
NOTE: Pin Size is Tolerance 0.50Φ ±0.05mm
All Dimensions In mm(Inches)
Tolerance .X
5
6
7
8
or
.XX= ±0.5mm
NOMINAL INPUT VOLTAGE.
NOMINAL INPUT VOLTAGE, FULL LOAD.
NOMINAL INPUT VOLTAGE.
NOMINAL INPUT VOLTAGE, FULL LOAD.
DANUBE
http://www.danube.com.tw
3-2
2016/01/12
RECOMMENDED FOOTPRINT DETAILS
D78BXXX-1.0 SELECTION PACKAGE
TYPICAL APPLICATIONS
INPUT
D78BXXX-1.0
OUTPUT
LOAD
GND
GND
TYPICAL PERFORMANCE CURVES
Specifications typical at ta=25 °C, nominal input voltage, rated output current unless otherwise specified.
EFFICIENCY VS LOAD
TEMPERATURE DERATING
EFFICIENCY(%)
100.0
80.0
60.0
40.0
20.0
0.0
0
20
40
60
80
100
% OF RATED LOAD(%)
DANUBE
http://www.danube.com.tw
3-3
2016/01/12
INPUT FUSE SELECTION GUIDE
6.5-20V、9-18V
INPUT VOLTAGE(VDC)
1500mA Slow-Blow Type
INPUT
D78BXXX-1.0
OUTPUT
GND
GND
Note: Certain applications may require the installation of external fuse in front of the input.
FOR MORE INFORMATION CALL:
Danube Enterprise Co., Ltd.
Tel: 886-7-3755165
Fax: 886-7-3755330
Home Page
http://www.danube.com.tw
DANUBE
E-mail: danube@ms10.hinet.net
http://www.danube.com.tw
3-4
2016/01/12
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