PART NUMBER: VWRBT2 Series DESCRIPTION: dc-dc converter desc

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PART NUMBER: VWRBT2 Series DESCRIPTION: dc-dc converter desc

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05/2008
PART NUMBER: VWRBT2 Series
DESCRIPTION: dc-dc converter
description
Designed convert wide input voltage range into isolated regulated voltage, VWRBT2-SMT series well suited providing board-mount local supplies wide range applications, including mixed analog/digital circuits, test measurement equip., process/machine controls, datacom/telecom fields, etc.
features
(2:1) input range voltage output isolation: 1500 heatsink required circuit protection >1,000,000 hours range: -40°C~+85°C
MODEL
nominal
input voltage range
max.
output voltage
output current max. min. (mA) (mA)
efficiency typ.
VWRBT2-D12-S3.3-SMT VWRBT2-D12-S5-SMT VWRBT2-D12-S9-SMT VWRBT2-D12-S12-SMT VWRBT2-D12-S15-SMT VWRBT2-D24-S3.3-SMT VWRBT2-D24-S5-SMT VWRBT2-D24-S9-SMT VWRBT2-D24-S12-SMT VWRBT2-D24-S15-SMT
notes:
9.0~18.0 9.0~18.0 9.0~18.0 9.0~18.0 9.0~18.0 18.0~36.0 18.0~36.0 18.0~36.0 18.0~36.0 18.0~36.0
specifications measured TA=25°C, humidity <75%, nominal input voltage rated output load unless otherwise specified.
INPUT
parameter input voltage range conditions/description 9~18 18~36 units
OUTPUT
parameter output power voltage accuracy ripple noise line regulation load regulation temperature coefficient switching frequency
notes:
conditions/description refer recommended circuit 20MHz Bandwidth 20MHz Bandwidth input voltage from high 100% full load refer recommended circuit 100% load, nominal input
max.
±0.2 ±0.5 300PFM
±0.5 ±1.0 0.03
units mVpp mVpp %/°C
*V-Infinity reserves right make changes products discontinue product service without notice, advise customers verify most up-todate product information before placing orders. V-Infinity assumes liability responsibility customer's applications using V-Infinity products other than repair replacing V-I's option) V-Infinity products meeting V-I's published specifications. Nothing will covered outside standard product warranty.
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
page date
05/2008
PART NUMBER: VWRBT2 Series
DESCRIPTION: dc-dc converter
GENERAL SPECIFICATIONS
parameter output short circuit protection temperature rise full load cooling operating temp. range storage temp. range reflow soldering temp. storage humidity range case material MTBF conditions/description continuous 15°C typ., 35°C max. free convection -40°C +85°C -55°C +125°C 245°C (for seconds) plastic (UL94-V0) >1,000,000 hours
ISOLATION SPECIFICATIONS
parameter isolation voltage isolation resistance conditions/description flash tested minute test 1500 1000 units
OUTLINE DIMENSIONS RECOMMENDED LAYOUT PATTERN
23.9 [0.94] [0.31] [0.32] 15.0 [0.59]
Side View
Connections
12.7 [0.50] 17.5 [0.69]
18.5 [0.73]
FUNCTION -Vin +Vout -Vout +Vin
[0.04] 13.7 [0.54]
[0.02]
[0.03]
View
15.2 [0.60] [0.10]
LAYOUT
[0.12]
15.2 [0.60]
[0.10]
Note: Unit: mm[inch]; Tolerance: ±0.25mm; Pins 2.54mm
RECOMMENDED REFLOW PROFILE
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
[0.08]
page date
05/2008
PART NUMBER: VWRBT2 Series
DESCRIPTION: dc-dc converter
Application Notes:
VWRBT2-SMT Series have been tested according following recommended testing circuit before leaving factory. This series should tested under load (Figure want further decrease input/output ripple, increase capacitance properly choose capacitors with ESR. However, capacitance should high(Table
Input current Nominal input voltage range. input current power supply must sufficient startup current (Ip) DC/DC module (Figure
Figure
Figure
+Vin
+Vout
-Vout
Output Load order ensure product operates efficiently reliably, make sure specified range input voltage exceeded.
-Vin
Recommended circuit best test with full load test without load. further reduce output ripple, increase external capacitor, choose capacitor with ESR, external inductor circuit shown above.
parallel connection plug play.
Terminals General: Cin: 100F Cout:100F(typ) Unless otherwise specified, terminals series used converter's interior circuit connection, allowed connection external circuit.
Temperature Derating Curve Table
2200 1000
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382

PART NUMBER: VWRBT2 Series DESCRIPTION: dc-dc converter desc

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