ZFW Series
Rev B
Single and Dual Outputs
30 Watt DC/DC Converter
4:1 Wide Input Voltage Range
FEATURES
●
Output Current up to 8A
●
High Efficiency up to 88%
●
Fixed Switching Frequency
●
Six-Sided Continuous Shield
●
4:1 Wide Input Voltage Range
●
30 Watts Maximum Output Power
●
Single and Dual Outputs Available
●
Standard 2.0” x 1.6” x 0.4” Package
APPLICATIONS
●
Wireless Network
●
Telecom/Datacom
●
Industry Control System
●
Measurement Equipment
●
Semiconductor Equipment
SPECIFICATIONS:
ZFW Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range .................... 24V nominal input ................ 10-40VDC
48V nominal input ................ 18-75VDC
Start-Up Voltage .......................... 24VDC input ..............................10VDC
48VDC input ..............................18VDC
Shutdown Voltage........................ 24VDC input ................................8VDC
48VDC input ..............................16VDC
Input Filter (See Note 2)............................................................... L-C Type
Input Voltage Variation ................ dv/dt ................................... 5V/ms max.
(Complies with ETS300 132 part 4.4)
Input Surge Voltage (100ms max) ........... 24V input .......................50VDC
48V input .....................100VDC
Input Reflected Ripple Current (nominal Vin and full load) ...........20mAp-p
Start Up Time (nominal Vin and constant resistive load)
Power Up................................................................................10ms typ.
Remote ON/OFF ....................................................................10ms typ.
Remote ON/OFF (See Note 6)
(Positive Logic)............... DC-DC ON ................Open or 3V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
(Negative Logic) ............. DC-DC ON ...............Short or 0V < Vr < 1.2V
DC-DC OFF ..............Open or 3V < Vr < 12V
Input Current of Remote Control pin (nominal Vin)......... -0.5mA ~ +0.5mA
Remote Off Input Current (nominal Vin) ..............................................3mA
PROTECTION SPECIFICATIONS
Over Voltage Protection ................................... 1.5V Output................. 3.9V
Zener diode clamp
1.8V Output................. 3.9V
2.5V Output................. 3.9V
3.3V Output................. 3.9V
5V Output.................... 6.2V
12V Output................... 15V
15V Output................... 18V
Over Load Protection (% of full load at nominal input) ............... 150% max.
Short Circuit Protection...................................... Hiccup, automatic recovery
Over Temperature Protection .......................................................115°C typ.
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
Switching Frequency .................................................................300KHz typ.
Isolation Voltage
Input to Output ................................................................... 1600VDC min.
Input to Case ..................................................................... 1600VDC min.
Output to Case................................................................... 1600VDC min.
Isolation Resistance ...............................................................10 ohms min.
Isolation Capacitance .............................................................. 1000pF max.
9
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ................................ -40°C to +85°C (with derating)
Storage Temperature .......................................................... -55°C ~ +105°C
Maximum Case Temperature ........................................................... +100°C
Relative Humidity (non-condensing) .....................................5% to 95% RH
Temperature Coefficient ................................................... ±0.02% / °C max.
Thermal Impedance (See Note 6)
Natural Convection ............................................................. 10°C / Watt
Natural Convection with Heat-Sink.................................... 8.24°C/Watt
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 1)
6
BELLCORE TR-NWT-000332 .......................................... 1.315 x 10 hrs
5
MIL-HDBK-217F ............................................................... 3.456 x 10 hrs
OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table
Voltage Accuracy (nominal Vin and full load) ...................................... ±1%
Voltage Adjustability........................................................................... ±10%
Output Current ..............................................................................see table
Output Power ........................................................................ 30 watts max.
Line Regulation (LL to HL at FL)...................................................... ±0.5%
Load Regulation (no load to full load) .......... Single......................... ±0.5%
Dual ............................... ±1%
Cross Regulation (Dual) (Asymmetrical load 25%/100% FL) ............. ±5%
Minimum Load ..............................................................................see table
Ripple/Noise (20 MHz BW) ...........................................................see table
(measured with a 0.1uF/50V MLCC)
Transient Response Recovery Time (25% load step change).......... 250us
PHYSICAL SPECIFICATIONS
Weight ..................................................................................... 48g (1.69 oz)
Dimensions................... 2.00 x 1.60 x 0.40 inches (50.8 x 40.6 x 10.2 mm)
Case Material ..............................................................Nickel-coated copper
Base Material................................................ FR4 PCB (effective July 2008)
Potting material..................................................................Epoxy (UL94-V0)
Shielding...................................................................................... six – sided
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
ZFW Series
Rev B
Single and Dual Outputs
30 Watt DC/DC Converter
4:1 Wide Input Voltage Range
SPECIFICATIONS (CONTINUED):
ZFW Series
All specifications apply @ 25°C ambient unless otherwise noted
SAFETY & EMC
Approvals and Standards................ IEC60950-1, UL60950-1, EN60950-1
EMI (See Note 8) ................................. EN55022.......................... Class A
ESD..................EN61000-4-2……
Air ± 8KV ……… Perf. Criteria B
Contact ± 6KV
Radiated Immunity ...................... EN61000-4-3........10V/m Perf. Criteria A
Fast Transient (See Note 9)........ EN61000-4-4......... ±2KV Perf. Criteria A
Surge (See Note 9) ..................... EN61000-4-5......... ±1KV Perf. Criteria B
Conducted Immunity ................... EN61000-4-6......10Vrms Perf. Criteria A
Due to advances in technology, specifications subject to change without notice
OUTPUT VOLTAGE / CURRENT RATING CHART
Model Number
ZFW24S1.5-8000
ZFW24S1.8-8000
ZFW24S2.5-8000
ZFW24S3.3-6000
ZFW24S5-6000
ZFW24S12-2500
ZFW24S15-2000
ZFW24D12-1250
ZFW24D15-1000
ZFW48S1.5-8000
ZFW48S1.8-8000
ZFW48S2.5-8000
ZFW48S3.3-6000
ZFW48S5-6000
ZFW48S12-2500
ZFW48S15-2000
ZFW48D12-1250
ZFW48D15-1000
Input Voltage
Output
Voltage
1.5 VDC
1.8 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
1.5 VDC
1.8 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
Output Current
Input Current
Output
(4)
(3)
(2)
Min. Load Full Load No Load
Full Load Ripple & Noise
0mA
8000 mA
35mA
658 mA
60mVp-p
0mA
8000 mA
35mA
759 mA
60mVp-p
0mA
8000 mA
40mA
1029 mA
60mVp-p
0mA
6000 mA
50mA
994 mA
60mVp-p
0mA
6000 mA
65mA
1506 mA
75mVp-p
0mA
2500 mA
65mA
1506 mA
100mVp-p
0mA
2000 mA
70mA
1488 mA
100mVp-p
0mA
±1250 mA
30mA
1563 mA
100mVp-p
0mA
±1000 mA
35mA
1543 mA
100mVp-p
0mA
8000 mA
20mA
329 mA
60mVp-p
0mA
8000 mA
20mA
380 mA
60mVp-p
0mA
8000 mA
25mA
508 mA
60mVp-p
0mA
6000 mA
30mA
497 mA
60mVp-p
0mA
6000 mA
30mA
744 mA
75mVp-p
0mA
2500 mA
35mA
753 mA
100mVp-p
0mA
2000 mA
45mA
744 mA
100mVp-p
0mA
±1250 mA
25mA
772 mA
100mVp-p
0mA
±1000 mA
25mA
762 mA
100mVp-p
(7)
Efficiency
(Typ)
80%
83%
85%
87%
87%
87%
88%
84%
85%
80%
83%
86%
87%
88%
87%
88%
85%
86%
(4)
Max Capacitive
(5)
Load
65000µF
65000µF
33000µF
195000µF
10200µF
3300µF
1100µF
±1000µF
±680µF
65000µF
65000µF
33000µF
195000µF
10200µF
3300µF
1100µF
±1000µF
±680µF
24 VDC
(10 ~ 40 VDC)
48 VDC
(18 ~ 75 VDC)
NOTES
1. BELLCORE TR-NWT-000332. Case I: 50% Stress, Temperature at 40ºC.
MIL-HDBK-217F Notice2 @ Ta=25°C, Full Load (Ground fixed and controlled environment).
2. Maximum value at nominal input voltage and full load.
3. Typical value at nominal input voltage and no load
4. Typical value at nominal input voltage and full load
5. Test by minimum Vin and constant resistive load.
6. ON/OFF control function: There is positive logic (standard) or negative logic (option) available. The pin voltage is referenced to negative input. To order
negative logic ON/OFF control add the suffix-R.
7. The ZFW series can meet EN55022 Class A with an external capacitor in parallel with the input pins.
Recommended: 24Vin: 6.8µF/50V 1812 MLCC
48Vin: 2.2µF/100V * 2PCS 1812 MLCC
8. Heat sink is optional. Please call factory for ordering details.
9. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. Filter capacitor Wall Industries suggests: Nippon
chemi-con KY series, 220µF/100V, ESR 48mΩ.
Figure 1
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
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