IES DC/DC Series Data Sheet
Features
• 20W standard package
• 100°C case operation
• 3.3V output available
• Open-frame or encapsulated
• 87% efficiency at 5V
• Wide range input
• 1500V isolation
• Short circuit protection
Efficiency vs. Load (24V Input)
85
80
75
70
65
IES020YG-A
EFF. (18v)
EFF. (24v)
EFF. (36v)
Description
IES DC/DC converters provide up to 20 watts of output
power in an industry-standard package. With 87%
efficiency and a maximum case temperature of 100°C, the
IES is well suited for the most demanding telecom,
networking, and industrial applications. The IES features
1500 VDC isolation, short circuit, and overtemperature
protection.
Technical Specifications
Input
Voltage Range
24 VDC Nominal
48 VDC Nominal
Input Undervoltage Lockout
UVLO Hysteresis
Reflected Ripple
Input Reverse Voltage Protection
16 - 36 VDC
36 - 72 VDC
<34V or <17V
1V Nom.
25 mA
Shunt Diode
60
55
50
45
40
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
Output
Setpoint Accuracy
±1%
0.2% V
out
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min. - I
out
Max., V
in
Nom.
0.5% V
out
Minimum Output Current
10 %
Dynamic Regulation, Loadstep
25% I
out
Pk Deviation
4% V
out
Settling Time
500 ms
Voltage Trim Range
±10%
Short Circuit / Overcurrent Protection
Shutdown / Hiccup
Current Limit Threshold Range, % of I
out
Rated
110 - 140%
OVP Trip Range
115 - 140% V
out
Nom.
OVP Type
Second Control Loop, Self-Recovering
General
Turn-On Time
Remote Shutdown
Switching Frequency
Isolation
Input - Output
Input - Case (24 Vin Units)
Output - Case (48 Vin Units)
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF† (Bellcore TR-NWT-000332)
Safety
Weight (approx.)
REV. SEP 12, 2003
10 ms
Positive Logic
300 kHz Open Frame / 450 kHz Cased
1500 VDC
500 VDC
500 VDC
0.03%/°C
-40 To +100°C
-40 To +125°C
95%
5 g, 10 - 55 Hz
1.9 x 106 hrs
UL, CSA, EN60950
1.2 oz
Notes
† MTBF predictions may vary slightly from model to model.
Specifications typically at 25°C, normal line, and full load,
unless otherwise stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully
compatible with commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model.
Please consult factory for specific model information.
Units are water-washable and fully compatible with commercial
spray or immersion post wave-solder washing equipment.
90
85
80
75
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
90
100
LOAD %
IES020ZG-A
EFF. (36v)
EFF. (48v)
EFF. (72v)
Page 1 of 3
OPTIONS
This page is offered as a reference. Consult factory for actual availability of options. When ordering
equipment options, use the following suffix information. Select preferred option(s) and add the suffix to the
model number. Ordering option examples are located below the options table.
OPTION
Negative Logic
Lucent-Compatible Trim
Trim
Enable
Trim and Enable
SUFFIX
N
T
1
2
3
APPLICABLE SERIES
HAS, HBD, HBS, HES, HLS, HLD, LES,
QBS, QES, QLS, TES, TQD
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Pin Length and Heatsink Options
0.110" (2.8mm) Pin Length
0.150" (3.8mm) Pin Length
0.24" (6.1mm) Horizontal Heatsink
0.24" (6.1mm) Vertical Heatsink
0.45" (11.4mm) Horizontal Heatsink
0.45" (11.4mm) Vertical Heatsink
0.95" (24.1mm) Horizontal Heatsink
0.95" (24.1mm) Vertical Heatsink
8
9
1H
1V
2H
2V
3H
3V
All Leaded Models
All Leaded Models
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
Standard Pin Length is 0.180" (4.6mm)
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Example Options:
HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent-compatible trim, and 0.95” vertical heatsink.
LES015YJ-3N = LES015YJ with optional trim and enable, negative logic.
QBS066ZG-AT8 = QBS066ZG-A with Lucent-compatible trim and 0.110” pin length.
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 respective divisional 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.
REV. SEP 12, 2003
Page 3 of 3
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