date page
09/28/2011 1 of 5
SERIES: V78W-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
FEATURES
• • • • • • • • • up to 500 mA current output extremly high efficiency up to 95% no heatsink required pin comparable to LM78 linear regulators available in straight and right angle SIP packages up to 8:1 ultra wide input low ripple and noise short circuit protections wide temperature (-40°C ~ 85°C)
RoHS
MODEL
V7803W-500 V7805W-500 V7806W-500 V7809W-500 V7812W-500 V7815W-500 V7824W-500
Notes:
2
input voltage
range (Vdc)
output voltage
(Vdc) min (mA)
output current
max (mA)
output power
max (W)
ripple and noise1
max (mVp-p)
efficiency level
Vin min (%)
9 ~ 72 9 ~ 72 9 ~ 72 14 ~ 72 17 ~ 72 20 ~ 72 36 ~ 72
3.3 5 6.5 9 12 15 24
10 10 10 10 10 10 6
500 500 500 500 500 500 300
1.65 2.5 3.25 4.5 6 7.5 7.2
60 60 60 60 60 60 60
82 87 91 92 93 94 95
1. 20MHz bandwidth, from 10% to 100% load 2. V7824W-500 output current is 300 mA (max)
PART NUMBER KEY
V78 XX W - XXX X
Base Number
Output Voltage
Output Current
blank = standard R = Right Angle
cui.com
CUI Inc │ SERIES: V78W-500 │ DESCRIPTION: DC-DC CONVERTER
date 09/28/2011 │ page 2 of 5
INPUT
parameter operating input voltage conditions/description 3, 5, 6.5 V models 9 V model 12 V model 15 V model 24 V model min 9 14 17 20 36 typ 48 48 48 48 48 max 72 72 72 72 72 units Vdc Vdc Vdc Vdc Vdc
OUTPUT
parameter line regulation load regulation voltage accuracy switching frequency temperature coefficient quiescent current tendencies load max capacitance load conditions/description measured from low line to high line measured from 10% to full load at 100% load 100% load -40°C ~ +85°C ambient Vin = nominal, min. load at 10% to 100% load 1 1.0 120 min typ ±0.4 ±0.3 ±2 max ±1.0 ±0.6 ±3 800 ±0.015 5 ±100 1.5 100 units % % % kHz %/°C mA mV ms μF
PROTECTIONS
parameter short circuit protection short circuit input power thermal shutdown current limit Vin = nominal conditions/description continuous, automatic recovery Vin = nominal 0.72 160 700 1200 1.2 W °C mA min typ max units
SAFETY AND COMPLIANCE
parameter thermal resistance safety approvals EMI/EMC RoHS compliant MTBF EN-60950-1 EN55022, class B (refer to page 4), IEC/EN 61000-4-2 level 4 yes 25°C (MIL-HDBK-217K) 71°C (MIL-HDBK-217K) 3,500,000 1,500,000 hours hours conditions/description min typ max 60 units °C/W
ENVIRONMENTAL
parameter case operating temperature operating temperature storage temperature storage humidity
Note:
conditions/description power derating above 71°C non-condensing
min -40 -55
typ 65
max 100 85 125 95
units °C °C °C %
1. All specifications measured at TA=25°C, humidity
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