page date 1/11/2008 date PART NUMBER: VFB200 DESCRIPTION: fu

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page date 1/11/2008 date PART NUMBER: VFB200 DESCRIPTION: fu

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page date 1/11/2008 date
PART NUMBER: VFB200
DESCRIPTION: full brick dc-dc converter
features
200W isolated output switching frequency input range outputs short circuit protection standard half-brick package
MODEL
VFB200-D48-S2R5 VFB200-D48-S3R3 VFB200-D48-S5 VFB200-D48-S12 VFB200-D48-S15 VFB200-D48-S24 VFB200-D48-S28 VFB200-D48-S48
note:
input voltage
output voltage
output current
input current min. max.
efficiency
36~75 36~75 36~75 36~75 36~75 36~75 36~75 36~75
nominal input voltage
13.3 7.14
Connection
Function +Vin ON/OFF Case -Vin -Vout -Sense Trim +Sense +Vout
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
page date
1/11/2008
PART NUMBER: VFB200
DESCRIPTION: full brick dc-dc converter
INPUT
parameter input voltage under voltage lockout conditions/description 32.5 Type units power power down positive logic remote On/Off input filter
OUTPUT
parameter voltage accuracy transient response External Trim Adj. Range Ripple Noise conditions/description Step Load Change ±10% 20MHz 2.5V 3.3V 100mV pk-pk, max. 20MHz 15V, 150mV pk-pk, max. 20MHz 48V, 240mV/480mV pk-pk, max. ±0.03 Continuous ±0.2 ±0.2 %/°C units /sec.
Temperature Coefficient Short Circuit Protection Line Regulation1 Load Regulation2 Over Voltage Protection Trip Range, Current Limit Nominal Output
GENERAL SPECIFICATIONS
parameter efficiency isolation voltage conditions/description table input/output input/case output/case 1500 1500 1500 units
isolation resistance switching frequency operating case temperature storage temperature thermal shutdown, case temp dimensions inches (116.8 61.0 12.7mm) case material aluminum baseplate with plastic case
notes: measured from high line line measured from full load zero load logic compatibility: open collector to-input module open circuit module OFF: <0.8 suffix model number with negative logic remote ON/OFF
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
page date
1/11/2008
PART NUMBER: VFB200
DESCRIPTION: full brick dc-dc converter
APPLICATION NOTES
Derating: operating case temperature range VFB200 series -40°C +100°C. When operating VFB200, proper derating cooling needed. Following derating curve VFB200 without heat sink.
Where: power dissapation (Pd) (1-n)/n thermal resistance listed below.
temperature rise (dT):
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
page date
1/11/2008
PART NUMBER: VFB200
DESCRIPTION: full brick dc-dc converter
REMOTE ON/OFF CONTROL
VFB200 series allows user switch module electronically with remote on/off feature. VFB200 series available with "positive logic" "negative logic" options.
EXTERNAL OUTPUT TRIMMING
Output optionally externally trimmed (±10%) with fixed resistor external trimpot shown.
OUTPUT NOISE
output noise measured with tantalum capacitor 1.0F ceramic capacitor across output.
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382

page date 1/11/2008 date PART NUMBER: VFB200 DESCRIPTION: fu

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