Applications
• Servers, Switches and Data Storage • Networking Gear
W30 Series
DC/DC MODULES
• Wireless Communications
• Data Communications
• Telecommunications
• Industrial / Medical
• Distributed Power Architecture
• Semiconductor Test Equipment
The W30 Family of high efficiency DC/DC converters offer power levels of up to 30 Watts, exceeding that of other products with the same Industry-Standard Pinouts, while providing much smaller
footprints. With a wide input voltage range and single outputs, ranging from 1.5 to 15 Volts, these converters provide versatility without sacrificing the board space. All models feature an input filter
and microcontroller-based protection features. The open frame construction allows very efficient heat transfer with no hot spots. All converters combine creative design practices with highly derated
power devices to achieve superior efficiencies (up to 94%), reliability, high performance and low cost solution to systems designers.
Specifications & Features Summary
PARAMETER
Absolute maximum rating
Input voltage
Operating ambient temperature
Storage temperature
Humidity
Input characteristics
Operating input voltage range
Turn on voltage threshold
Turn off voltage threshold
Transient withstand
Maximum input current
Off converter input current
Output characteristics
Output voltage setpoint accuracy
Output voltage line regulation
Output voltage load regulation
Output voltage trim range
Output voltage ripple / noise
(See notes & charts)
NOTES
MIN
TYP
MAX
UNIT
• No minimum load required
• On/Off pin control
• -40°C to +85°C ambient operation
• Output adjustment +/-10% range
0
-40
-55
75
85
125
95
V
(see thermal charts)
°C
°C
%
• 1500V, 10MΩ input-to-output isolation
• Output overcurrent protection
• Input Under voltage protection
9-18V,9-36V,18-36V, 36-75V
xx
17/35
xx
xx
V
V
V
V
A
• Input Over voltage protection
• Synchronous rectification topology
• MTBF of up to 1,000,000 hours @ 50°C (Bellcore)
• Over Voltage protection
16/34
100
1.830
10
Transient duration: 100ms
100% load , 18Vin
• Over Temperature protection
• Please add suffix “A” or “B”, depending on Pinout
• Please add suffix “N” for Negative Logic
• Delivers up to 30W in 1” x 2” package with Industry-Standard Pinouts
• UL 60950 pending, TUV EN60950 and CSA C22.2 No. (Pending)
mA
1.0
±0.2
±0.2
±10
35
%Vo
%
%
Vin =9-18,9-36,18-36,36-75V
0%-100%Load
Input
Voltage
Range
(Vin)
I in
Full
Load
(A)
Output
Voltag
e
Output
Curren
t (Io) A
Eff
(Typ)
%
Regulation
Line/Load
(%)
Ripple
/ Noise
(MV)
pk-pk
15
15
15
20
20
50
50
15
15
15
20
20
50
50
15
15
15
20
20
50
50
15
15
15
20
20
50
Model
Iin No
Load
%
20Mz bandwidth,
100% Load, 12/24/48 Vin
See pinout A notes on charts
mV
(Vo)
(pk-pk)
W30-12S1.5
W30-12S1.8
W30-12S2.5
W30-12S3.3
W30-12S5
W30-12S12
W30-12S15
U30-12S1.5
U30-12S1.8
U30-12S2.5
U30-12S3.3
U30-12S5
U30-12S12
U30-12S15
W30-24S1.5
W30-24S1.8
W30-24S2.5
W30-24S3.3
W30-24S5
W30-24S12
W30-24S15
W30-48S1.5
W30-48S1.8
W30-48S2.5
W30-48S3.3
W30-48S5
9-18
9-18
9-18
9-18
9-18
9-18
9-18
9-36
9-36
9-36
9-36
9-36
9-36
9-36
18-36
18-36
18-36
18-36
18-36
18-36
18-36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
0.030
0.035
0.040
0.040
0.050
0.050
0.050
0.030
0.035
0.040
0.040
0.050
0.050
0.050
0.025
0.028
0.032
0.035
0.040
0.050
0.050
0.025
0.028
0.032
0.035
0.040
0.050
0.050
2.0
1.5
1.8
2.5
3.3
10.0
10.0
10.0
8.0
6.0
2.5
83
84
85
90
91
93
94
81
82
84
88
89
90
91
83
84
85
90
91
92
93
85
86
88
91
92
93
94
±0.2 / ±0.2
±0.3 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.3 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.3 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.3 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
±0.2 / ±0.2
2.38
3.26
3.26
3.66
3.58
3.54
2.05
2.44
3.30
3.35
3.75
3.70
3.66
1.00
1.19
1.63
1.63
1.83
1.81
1.79
.490
.581
.789
.808
.905
.896
.886
Output over power protection
Over-voltage protection
Temperature coefficient
Capacitive Load
Output characteristics
Startup time
Transient recovery time
Transient peak deviation
Isolation characteristics
Isolation (primary to secondary)
Isolation resistance
Isolation capacitance
Feature Characteristics
Switching frequency
ON/OFF control (Positive logic)
Converter On
110
120
120
140
135
±0.02
10000
%
%Vo
%/°C
μF
5.0
12.0
15.0
1.5
1.8
2.5
3.3
5.0
12.0
15.0
1.5
1.8
2.5
3.3
5.0
12.0
15.0
1.5
1.8
2.5
2.0
5% to 95% of the Vo
50% load change
50% load change
1
250
4
ms
μs
%Vo
10.0
10.0
10.0
8.0
6.0
2.5
1500
1minute
1500VDC, Primary to secondary
VDC
MΩ
pF
10
Primary to secondary
1000
400
2.0
10.0
10.0
10.0
8.0
6.0
2.5
(<2.5V = 300) (>3.3V=400)
All Models
300
3.5
KHz
V
V
Converter Off
ON/OFF control (Negative logic)
Converter On
Converter Off
Over Temperature Protection
0.8
0.8
130
All Models
V
V
°C
2.0
3.5
10.0
10.0
10.0
8.0
6.0
6.0
Maximum component level
Calculated MTBF
Bellcore @ 50°C
> 1,000,000 hrs
Hrs
3.3
5.0
12.0
15.0
Basic Operations and Functions
W30-48S12
W30-48S15
W30 Family is a high efficiency, isolated DC/DC converter. Neither heat sink nor airflow is required
when the unit operates at ambient temperature of 25C. The unit has basic control, output
adjustment and protection functions.
6.0
50
Remote Sense
FOR POTTED UNITS AND OTHER AVAILABLE VOLTAGES
AND FEATURES PLEASE CONSULT THE FACTORY
Input (Pin 2, Pin 3)
The unit does NOT have remote sense pins.
Input power Vin(+) must be connected to Positive input pin 3; Input power Vin(-) must be
connected to Negative input pin2.
Output Trim (Pin 6)
Permits the user to adjust the output voltage
up or down to achieve the custom voltage or
to make the output voltage margining.
Output (Pin 4, Pin 5)
Output power Vout(+) must be connected to Positive output pin 4; Output power Vout(-) must be
connected to Negative output pin6.
Vout+ 4
3 Vin+
The unit’s output voltage can be adjusted up
10% or down 10% relative to the rated
output voltage by adding an external resistor
between pin 6 and one of the output pins
(pin 4 and 5).
+
Vin
+
Vout
-
ON/OFF (Pin 1)
2 Vin-
-
Permits the user to maintain unit On/Off, in order to properly sequence different power supplies
and reduce power consumption during the standby condition. There are two ON/OFF control
options: positive logic (W30-SX) and negative logic (W30-SXN). Both are referenced to Vin-.
Vout- 5
●
1 ON/OFF
Trim 6
ON/OFF
To increase the output voltage,
resistor should be connected between pin
6(Trim) and pin 5 (Vout-).
a trim
Pin 1 is the "Enable" pin, connecting a TTL compatible pin. A TTL control signal to this pin,
according to the specification, turns the unit on or off.
Fig 1. Recommended ON/OFF circuit configuration
The positive logic unit turns on when the pin is at logic high or open, and turns off at logic low. The
negative logic unit turns on when the pin is at logic low, and turns off at logic high state. Typical
ON/OFF connection is shown in Fig 1.
To decrease the output voltage,
resistor should be connected between pin 6
(Trim) and pin 4 (Vout+).
a trim
Intronics Power Inc. 1400 Providence Highway, Building 2, Norwood, MA 02062-5015 ● Phone: 1-781-551-5500 ● Fax: 1-781-551-5555 Rev. B
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