VHK200W-Q48-S28 CUI Inc, VHK200W-Q48-S28 Datasheet - Page 10

• Manufacturer Part Number: VHK200W-Q48-S28
• Description: CONVERTER DC-DC 28V 7.14A 200W
• Manufacturer: CUI Inc
• Series: V-Infinity VHK200Wr
• Type: Isolatedr

Specifications of VHK200W-Q48-S28

• Output: 28V
• Number Of Outputs: 1
• Power (watts): 200W
• Mounting Type: Chassis Mount
• Voltage - Input: 18 ~ 75V
• Package / Case: Module
• 1st Output: 28 VDC @ 7.14A
• Size / Dimension: 4.23" L x 4.01" W x 1.50" H (107.4mm x 101.9mm x 38.1mm)
• Power (watts) - Rated: 200W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 87%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 102-2025

PART NUMBER: VHK200W
18. OUTPUT FILTERING
The converter has built-in capacitors at the output to control ripple and noise. If desired, additional output capacitance can be
introduced at the input to the powered equipment. Recommended starting point: one 10μF tantalum and one 1μF ceramic capacitor in
parallel at the output.
19. OUTPUT NOISE MEASUREMENT SCHEMATIC
For proper output ripple and noise measurement, connect a 10μF tantalum and a 1μF ceramic capacitor across the output. Set the
scope bandwidth to 20MHz. Probe directly off of one of the capacitors, using a small ground clip to minimize measurement error.
20050 SW 112
VHK200W-Q24-S5
VHK200W-Q24-S12 Class B 82uF/100V KY
VHK200W-Q24-S24 Class B 120uF/100V KY 120uF/100V KY 10uF/50V X7R 2220
VHK200W-Q24-S28 Class A 100uF/100V KY 100uF/100V KY
VHK200W-Q24-S28 Class B 120uF/100V KY 120uF/100V KY 470uF/100V KY
VHK200W-Q24-S48 Class A 100uF/100V KY 100uF/100V KY 100uF/100V KY
VHK200W-Q24-S48 Class B 82uF/100V KY
VHK200W-Q48-S5
VHK200W-Q48-S12 Class B 120uF/100V KY 120uF/100V KY 4.7uF/100V X7R 2220 1000pF/2KV 680pF/2KV
VHK200W-Q48-S24 Class B 120uF/100V KY 120uF/100V KY 4.7uF/100V X7R 2220 1500pF/2KV 680pF/2KV
VHK200W-Q48-S28 Class A 150uF/100V KY 150uF/100V KY
VHK200W-Q48-S28 Class B 120uF/100V KY 120uF/100V KY 470uF/100V KY
VHK200W-Q48-S48 Class A 100uF/100V KY 100uF/100V KY 100uF/100V KY
VHK200W-Q48-S48 Class B 82uF/100V KY
Model No.
FIGURE 10. EMI FILTER FOR VHK200W
th
Class B 82uF/100V KY
Class B 82uF/100V KY
NOTE: The recommended components are a starting point but not guaranteed for meeting EMI
requirements. More or less filtering may be required for a specific application or to meet other EMI standards.
Ave. Tualatin, Oregon 97062
+Vin
-Vin
C1
C1
FIGURE 11. OUTPUT NOISE MEASUREMENT CIRCUIT
82uF/100V KY
82uF/100V KY
82uF/100V KY
82uF/100V KY
82uF/100V KY
L1
C2
Trim
+Vo
-Vo
+S
-S
C2
phone
phone [phone] fax
L2
10uF/50V X7R 2221
10uF/50V X7R 2220
4.7uF/100V 2220
4.7uF/100V X7R 2220
4.7uF/100V 2220
C3
Ceramic
NC
1.0µF
C3
NC
DESCRIPTION: chassis mount dc-dc converter
+Vin
-Vin
Solid Tantalum
CASE
1000pF/2KV 1000pF/2KV 0.5mH
1000pF/2KV 1000pF
680pF/2KV
680pF/2KV
1000pF/2KV
1000pF/2KV 1000pF/2KV 0.45mH
1000pF/2KV
2200pF/2KV 2200pF/2KV 0.45mH
CY3
CY1
CY2
CY4
10µF
CY1
NC
NC
NC
NC
+Vo
-Vo
fax [phone]
+
1000pF/2KV 0.5mH
680pF/2KV
680pF/2KV
680pF/2KV
CY2
NC
NC
NC
NC
To Scope
Rload
0.5mH
0.5mH
1.0mH
0.5mH
0.5mH
1.0mH
0.5mH
0.45mH 1000pF/2KV
0.5mH
0.45mH 1000pF/2KV 680pF/2KV
L1
www.v-infinity.com
680pF/2KV
CY3
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
page
date
Resistor
Load
680pF/2KV
680pF/2KV
08/2009
10 of 10
CY4
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC