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SR78-1000 Datasheet, PDF (1/2 Pages) Arch Electronics Corp. – Encapsulated DC-DCConverter
SR78/1000 SERIES
VER : B_0 update : 2012.01.20
Encapsulated DC-DC Converter
1A
KEY FEATURES
„ SIP-Package Fits Existing TO-220 Footprint
„ Pin Compatible with LMxx Linear Regulators
„ Efficiency up to 96%,Non Isolated, No Need for Heatsinks
„ Wide Input Operating (4.6V~36V)
„ Non Standard Outputs Available as Specials Between 1.5V~15V
„ Short Circuit Protection
„ Over-Current Protection & Over-Temperature protection
„ UL94V-0 Package Material
„ Meet EN55022 Class A Conducted Emissions& Radiated Emissions(Note 3)
„ Meet EN55022 Class BConducted Emissions& Radiated Emissions(Note 4)
„ 3-Years Product Warranty
A Type
PIN material: Metal
(Nickel Plate Brass)
All specifications are typical at normal input voltage, full load and +25°C otherwise noted。
ELECTRICAL SPECIFICATIONS
Model No. ( Single Output )
Max Output Wattage (W)
Input Voltage Range (V.DC.)
Output Voltage (V.DC.)
Efficiency(Min. Vin) (typ.)
Efficiency(Max. Vin) (typ.)
SR78-1.5S/1000
1.5W
4.6-36V
1.5V / 1000mA
76%
66%
SR78-1.8S/1000
1.8W
4.6-36V
1.8V / 1000mA
80%
71%
SR78-2.5S/1000
2.5W
4.6-36V
2.5V / 1000mA
85%
76%
SR78-3.3S/1000
3.3W
4.75-36V
3.3V / 1000mA
88%
80%
SR78-5S/1000
5W
6.5-36V
5.0V / 1000mA
93%
85%
Model No. ( Single Output )
Max Output Wattage (W)
Input Voltage Range (V.DC.)
Output Voltage (V.DC.)
Efficiency(Min. Vin) (typ.)
Efficiency(Max. Vin) (typ.)
SR78-6.5S/1000
6.5W
8.0-36V
6.5V / 1000mA
93%
87%
SR78-9S/1000
9W
11-36V
9.0V / 1000mA
95%
90%
SR78-12S/1000
12W
15-36V
12V / 1000mA
95%
92%
SR78-15S/1000
15W
18-34V
15V / 1000mA
96%
93%
Model No. ( Single Output )
Max Output Wattage (W)
Input Voltage Range (V.DC.)(Note 1)
Input
Nominal input
Input filter
Voltage (V.DC.)
Output
Protection
Environment
Physical
EMC
Voltage Accuracy (at Full Load)
Current (mA) (max.)
Quiescent Current (mA) (max.)
Minimum Load (Note 2)
Line Regulation (LL-28V) (typ.) (Note 1)
Load Regulation (10-100%) (typ.)
Ripple&Noise (Nominal Input) (20MHz)
Switching Frequency (typ.)
Capacitor Load (max)
Current Limit (mA) (max.)
Short Circuit Protection
Thermal Shout Down (typ.)
Operating Temperature
Storage Temperature
Operating Case Temperature
Case Thermal Impendance (max.)
Humidity
MTBF
Dimension (L x W x H)
Case Material
Weight
Conducted Emissions
Radiated Emissions
Conducted Emissions
Radiated Emissions
SR78-1.5
S/1000
1.5W
SR78-1.8
S/1000
1.8W
SR78-2.5
S/1000
2.5W
SR78-3.3
S/1000
3.3W
SR78-5S
/1000
5W
SR78-6.5
S/1000
6.5W
4.6-36V 4.6-36V 4.6-36V 4.75-36V 6.5-36V 8.0-36V
9 VDC
12 VDC
C filter
1.5V
1.8V
2.5V
3.3V
5.0V
6.5V
±3%
1000
1~2 (Vin=min. to max. at 0% Load)
0%
±1% (at full load)
±0.8% (Nominal input)
50mV
75mV
500KHz
470uF
2000
Continuous, auto-recovery
+160°C (Internal IC Junction)
-40°C…+85°C (with derating)
-55°C…+125°C
+100°C max.
70°C / W
95% RH
5,358,000 h @ 25°C (MIL-HDBK-217F)
0.45 x 0.40 x 0.3 Inches ( 11.5 x 10.2 x 7.55 mm ) Tolerance ±0.25 mm
Non-conductive black plastic
1.9 g
EN 55022 Class A(Note3)
EN 55022 Class A(Note3)
EN 55022 Class B(Note4)
EN 55022 Class B(Note4)
SR78-9S
/1000
9W
11-36V
24 VDC
9.0V
100mV
SR78-12
S/1000
12W
15-36V
12V
120mV
SR78-15
S/1000
15W
18-34V
15V
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
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