ISR Series
3 Watt
• Single Output
• Wide Range 2:1 Input
• SMD Package
• Industry Standard Pinout
• Regulated Output
• Operating Temperature -40 °C to +95 °C
• 1500 VDC Isolation, 3000 VDC Option
• 3 Year Warranty
DC-DC Converter
xxx Series
Dimensions:
ISR:
0.94 x 0.713 x 0.31” (23.86 x 18.1 x 8.0 mm)
Models & Ratings
Input Voltage
9-18
Output Voltage
5V
12 V
15 V
5V
12 V
15 V
5V
12 V
15 V
Output Current
600
250
200
600
250
200
600
250
200
mA
mA
mA
mA
mA
mA
mA
mA
mA
Input Current
No Load
Full Load
22
22
22
12
12
12
8
8
8
mA
mA
mA
mA
mA
mA
mA
mA
mA
333
325
316
164
154
156
81
78
78
mA
mA
mA
mA
mA
mA
mA
mA
mA
Maximum
Capacitive Load
3300 µF
1800 µF
1000 µF
3300 µF
1800 µF
1000 µF
3300 µF
1800 µF
1000 µF
Efficiency
75%
77%
79%
76%
81%
80%
77%
80%
80%
Model Number
ISR1205A
ISR1212A
ISR1215A
ISR2405A
ISR2412A
ISR2415A
ISR4805A
ISR4812A
ISR4815A
18-36
36-75
Notes
1. Input currents measured at nominal input voltage.
Mechanical Details
0.94±0.02 (23.86±0.5)
0.31
(8.00)
0.29
(7.50)
Side View
0.54 (13.70)
A
Recommended Footprint
Top View Grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
16
10 9
0.098
(2.50)
0.13
(3.34)
0.10
(2.54)
0.01
(0.25)
1
7 8
0.713 ±0.016
(18.1 ±0.4)
0.54 (13.70)
Top View
0.02
(0.50)
16
1
0.70 (17.78)
10 9
78
A
PIN CONNECTIONS
Pin
1
7
8
9
10
16
0.047
(1.20)
5° max
0.05
(1.35)
Function
GND
No Connection
No Connection
+Vout
0V
+Vin
Notes
1. All dimensions are in inches (mm)
2. Weight: 0.0115 lbs (5.2 g) typical.
3. Pin pitch and length tolerance: ±0.014 (±0.35)
4. Case tolerance: ±0.02 (±0.5)
1
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ISR Series
Input
Characteristic
Input Voltage Range
Input Current
Input Reflected Ripple
Input Surge
Input Filter
Pi filter
15
25
50
100
Minimum
9
18
36
Typical
Maximum
18
36
75
DC-DC Converter
Units
VDC
VDC
VDC
mA pk-pk
VDC for 1 s
VDC for 1 s
VDC for 1 s
Notes & Conditions
12 V nominal
24 V nominal
48 V nominal
See Models and Ratings table
Through 12 µH inductor and 47 µF capacitor
12 V models
24 V models
24 V models
Output
Characteristic
Output Voltage
Initial Set Accuracy
Minimum Load
Line Regulation
Load Regulation
Start Up Delay
Ripple and Noise
Transient Response
Short Circuit Protection
Maximum Capacitive Load
Temperature Coefficient
0.03
%/°C
2
60
5
5
±0.4
±0.75
Minimum
5
±1
Typical
Maximum
15
±3
Units
VDC
%
%
%
%
ms
mV pk-pk
% deviation
20 MHz bandwidth, measured using 0.1 µF capacitor
Recovery to within 1% in 5 ms for a 25% load change
Continuous, with auto recovery
See Models and Ratings table
10% to full load
Notes & Conditions
See Models and Ratings table
At 100% load
General
Characteristic
Efficiency
Isolation: Input to Output
Switching Frequency
Isolation Resistance
Isolation Capacitance
Power Density
Mean Time Between Failure
Weight
Recommended Solder Profile
1000
0.0115 (5.2)
IPC/JEDEC J-STD-020D.1
10
9
Minimum
1500
Typical
Maximum
Units
VDC
Notes & Conditions
See Models and Ratings table
350
1
13.4
kHz
nF
Win
3
kHrs
lb (g)
Ω
100% load and nominal input voltage
Input to output, tested at 500 VDC
Input to output
MIL-HDBK-217F, +25 °C GB
Environmental
Characteristic
Operating Temperature
Storage Temperature
Case Temperature
Operating Humidity
Cooling
Minimum
-40
-55
Typical
Maximum
+95
+125
+105
95
Units
°C
°C
°C
% RH
Non-condensing
Natural convection
Notes & Conditions
Derate linearly from 100% load at +85 °C to 50% load
at 95 °C
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2
ISR Series
EMC: Emissions
Phenomenon
Conducted
Radiated
Standard
EN55022
EN55022
Test Level
Class B
Class B
DC-DC Converter
Notes & Conditions
See Application Note for Class B filter
See Application Note for Class B filter
EMC: Immunity
Phenomenon
ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Magnetic Fields
Standard
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
EN61000-4-8
Test Level
±4 kV
10 V/m
2
2
3 V rms
1 A/m
Criteria
B
A
B
B
A
A
External input filter required, see application note
External input filter required, see application note
Notes & Conditions
Contact
Mechanical Details
0.94±0.02 (23.86±0.5)
0.31
(8.00)
0.29
(7.50)
Side View
0.54 (13.70)
A
Recommended Footprint
Top View Grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
16
10 9
0.098
(2.50)
0.13
(3.34)
0.10
(2.54)
0.01
(0.25)
1
7 8
0.713 ±0.016
(18.1 ±0.4)
0.54 (13.70)
Top View
0.02
(0.50)
16
1
0.70 (17.78)
10 9
78
A
0.047
(1.20)
PIN CONNECTIONS
Pin
1
7
8
9
10
16
Function
GND
No Connection
No Connection
+Vout
0V
+Vin
5° max
0.05
(1.35)
Notes
1. All dimensions are in inches (mm)
2. Weight: 0.0115 lbs (5.2 g) typical.
3. Pin pitch and length tolerance: ±0.014 (±0.35)
4. Case tolerance: ±0.02 (±0.5)
Application Note
EMI Filter for Class B Emissions
Filter for Immunity
56 µH
12 µH
+ Vin
+ Vout
C1
4.7 µF, 50 V
+ Vin
+ Vout
ISR
Load
0V
ISR
Load
0V
-Vin
-Vin
Input Voltage
12 V
24 V
48 V
MOV
-
10D560
10D101
TVS
SMCJ28A
SMCJ48A
SMCJ90A
C1
680 µF/25 V
120 µF/50 V
120 µF/100 V
3
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22 Aug 17
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