ISM02 Series
2 Watt
• International medical safety approvals
• Single & dual unregulated outputs
• Compact SMD package
• 4kV VAC reinforced isolation
• 1 x MOPP at 300 VAC
• 2 µA patient leakage current
• Operating temperature -25 °C to +105 °C
• Full load to 60°C convection
• Tape & reel package available
• 3 year warranty
The ISM02 provides a compact cost effective SMD solution for
healthcare applications providing 1 MOPP, 2 MOOP and IEC60601-1
compliance. Features include a high operating temperature, low leakage
current, reinforced insulation and short circuit protection.
DC-DC Converter
Dimensions:
ISM02:
0.94 x 0.71 x 0.36” (24.0 x 18.1 x 9.3 mm)
Models & Ratings
Input voltage
Output voltage
5V
5V
(4.5-5.5V)
12 V
15 V
±12 V
±15 V
5V
12V
(10.8-13.2V)
12 V
15 V
±12 V
±15 V
5V
24V
(21.6-26.4V)
12 V
15 V
±12 V
±15 V
Output current
Max
Min
400 mA
165 mA
133 mA
±83 mA
±66 mA
400 mA
165 mA
133 mA
±83 mA
±66 mA
400 mA
165 mA
133 mA
±83 mA
±66 mA
8.0 mA
3.0 mA
2.5 mA
±1.5 mA
±1.0 mA
8.0 mA
3.0 mA
2.5 mA
±1.5 mA
±1.0 mA
8.0 mA
3.0 mA
2.5 mA
±1.5 mA
±1.0 mA
Input current
(1)
No load
Full load
605 mA
600 mA
90 mA
605 mA
555 mA
540 mA
255 mA
250 mA
40 mA
250 mA
225 mA
220 mA
125 mA
125 mA
30 mA
125 mA
110 mA
110 mA
Maximum
capacitive load
(2)
330 µF
330 µF
330 µF
±100 µF
±100 µF
330 µF
330 µF
330 µF
±100 µF
±100 µF
330 µF
330 µF
330 µF
±100 µF
±100 µF
Efficiency
66%
66%
66%
72%
73%
66%
66%
66%
74%
75%
66%
66%
66%
74%
75%
Model number
(3)
ISM0205S05
ISM0205S12
ISM0205S15
ISM0205D12
ISM0205D15
ISM0212S05
ISM0212S12
ISM0212S15
ISM0212D12
ISM0212D15
ISM0224S05
ISM0224S12
ISM0224S15
ISM0224D12
ISM0224D15
Notes
1. Input currents measured at nominal input voltage.
2. Maximum capacitive load is per output.
3. For optional water washable version add suffix ‘-P’.
4. Add suffix ‘-TR’ for tape and reel. MOQ 200 pcs.
5. Standard tube quantity 10 pcs.
1
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ISM02 Series
Input
Characteristic
Input Voltage Range
Input Filter
Input Surge
Minimum
Typical
4.5
10.8
21.6
Internal Pi type filter
Maximum
5.5
13.2
26.4
9
18
30
DC-DC Converter
Units
VDC
Notes & Conditions
5 V nominal
12 V nominal
24 V nominal
5 V nominal
12 V models
24 V models
VDC for 1 s
Output
Characteristic
Output Voltage
Initial Set Accuracy
Output Voltage Balance
Minimum Load
Line Regulation
Load Regulation
Cross Regulation
Transient Response
Ripple & Noise
Short Circuit Protection
Maximum Capacitive Load
Temperature Coefficient
3
Minimum
5
±2.0
±0.1
±1.2
Typical
Maximum
30
±4.0
±1.0
±1.5
10
±5.0
5
150
0.5
0.02
Units
VDC
%
%
A
%
%
%
% deviation
mV pk-pk
s
%/ ˚C
Notes & Conditions
See Models and Ratings table
For dual output with balanced laods
See Models and Ratings table
From 20% to 100% load. 5V output version is 12% max
On dual output models when one load is varied between
25% and 100% and other is fixed at 100%
Recovery within 1% in less than 250 µs for a 25% load
change.
20 MHz bandwidth. Measured using 0.47 µF ceramic
capacitor.
With auto recovery
See Models and Ratings table
General
Characteristic
Efficiency
Isolation: Input to Output
Leakage Current
Isolation Resistance
Isolation Capacitance
Switching Frequency
Power Density
Mean Time Between Failure
Lead-Free Reflow Solder Process
Case Material
Pin Material
Weight
Moisture Sensitivity Level
2
IPC/JEDEC J-STD-020D.1
Non conductive black plastic. UL94V-0 rated. Not suitable for water washing.
Solder-coated phosphor bronze
lb (g)
0.01 (3.75)
Level 2
IPC/JEDEC J-STD-020D.1
50
10
9
Minimum
4000
6000
Typical
70
Maximum
Units
%
VAC
VDC
Notes & Conditions
See Models and Ratings table
60 s, reinforced isolation at 300 VAC, 1 x MOPP/2 x MOOP
1s
240 VAC, 60 Hz
At 500 VDC
2
15
80
20
100
12.2
µA
pF
kHz
W/in
3
MHrs
Ω
MIL-HDBK-217F, +25 °C GB
Environmental
Characteristic
Operating Temperature
Storage Temperature
Case Temperature
Humidity
Cooling
Minimum
-25
-50
Typical
Maximum
+105
+125
+105
95
Units
°C
°C
°C
%RH
Non-condensing
Natural convection
Notes & Conditions
See Derating Curve.
Safety Approvals
Safety Agency
CB Medical
UL Medical
EN Medical
UL ITE
Safety Standard
IEC60601-1
ANSI AMMI ES60601-1
EN60601-1
UL/cUL60950-1, UL/cUL62368-1
Notes & Conditions
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2
ISM02 Series
EMC: Emissions
Phenomenon
Conducted
Standard
EN55011
Test Level
Class A
DC-DC Converter
Notes & Conditions
See Application Notes
EMC: Immunity
Phenomenon
ESD
Radiated
EFT/Burst
Surge
Conducted
Magnetic Fields
Standard
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
EN61000-4-8
Test Level
±15 kV air discharge, ±8 kV contact
10 V/m
±2 kV
±1 kV
6kV rms
30 A/m
Criteria
A
A
A
A
A
A
Notes & Conditions
Mechanical Details
Connecting Pin Pattern
0.12
(3.1)
16
0.60 (15.2)
0.94 (24.0)
0.10
(2.5)
0.71 (18.1)
0.54 (13.7)
0.65 (16.6)
0.70 (17.8)
1
7 8
0.04 (1.0)
0.06
(1.6)
0.35 (9.0)
S
0.10 (2.5)
Pin Connections
SEATING
PLANE
0.01 (0.25)
0.36±0.02
(9.25±0.5)
0.15 S
Pin
1
7
8
9
10
16
Single
-Vin
No Connection
No Connection
+Vout
-Vout
+Vin
Dual
-Vin
No Connection
Common
+Vout
-Vout
+Vin
Application Notes
Derating Curve
EMC Circuit for Class A
100
0~
4
Convection
16
9
C1
ISM02
10
1
Output Power (%)
400 LFM forced air
0
-25
60
75
105
Ambient Temperature (°C)
C1
2.2µF/150V
Notes
1. All dimensions are in inches (mm)
2. Weight: 0.01 lbs (3.75 g) approx.
3. Tolerance: X.XX±0.01 (X.X±0.25)
X.XXX±0.005 (X.XX±0.13)
4. Pin Tolerance: ±0.002 (±0.05)
3
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0.54 (13.7)
0.11
(2.9)
L
88µF
25 June 2020
0.77 (19.5)
10 9
