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V78XX-1000 fiches techniques PDF

CUI - DC switching regulator / non-isolated

Numéro de référence V78XX-1000
Description DC switching regulator / non-isolated
Fabricant CUI 
Logo CUI 





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V78XX-1000 fiche technique
PART NUMBER: V78XX-1000 series
rev.
page 1 of 4
date 04/2008
DESCRIPTION: DC switching regulatorw, wnown.D-iastoalSahteeedt4U.com
description
The V78XX series of switching regulators are
designed to replace 78XX linear regulators,
with the objective of drop-in replacement
without the need for a heatsink, because the
V78XX series features high efficiency under
all line conditions. Built-in short-circuit and
over-temperature protections ensure very
rugged operations. Additionally, low ripple
and noise performance make the parts useful
in a wide range of applications.
model
number
V7803-1000
V7805-1000
V7806-1000
V7809-1000
V7812-1000
input voltage
range
4.75~28 Vdc
6.5~32 Vdc
8~32 Vdc
11~32 Vdc
15~32 Vdc
features
·efficiency up to 95%
·no need for heatsinks
·wide input range
·short circuit protection
·thermal shutdown
·low ripple and noise
·pin compatible to LM78XX
series
·non-isolated
output
voltage
3.3 Vdc
5 Vdc
6.5 Vdc
9 Vdc
12 Vdc
output
current
1000 mA
1000 mA
1000 mA
1000 mA
1000 mA
efficiency
Vin_min
90%
Vin_max
83%
93%
88%
94%
90%
95%
92%
95%
94%
OUTPUT SPECIFICATIONS
item
output voltage accuracy
conditions
at 100% load
min.
line regulation
Vin = min. to max. at full load
load regulation
10% to 100% full load
output ripple
20 MHz bandwidth, output w/ 10μF cap
short circuit protection
continuous, auto recovery upon removal of short
short circuit input power
output current limit
load impedance is0.1Ω
subject to over-temp shutdown
switching frequency
fixed switching frequency topology
280
dynamic load stability
100%<->10% load
quiescent current
Vin_min to Vin_max at no load
thermal shutdown
internal IC junction
temperature coefficient
-40°C ~ 85°C ambient
max load capacitance
GENERAL SPECIFICATIONS
item
operating temperature range
conditions
see derating curve
operating case temperature
storage temperature range
cooling
free air convection
solderability
1.5 mm from case for 10 seconds
storage humidity range
relative humidity, non-condensing
case material
plastic (UL94-V0)
case thermal impedance
MTBF
at 25°C per MIL-HDBK-217F
package weight
min.
-40
-40
-55
10
2,000,000
typ.
±2
±0.2
±0.4
20
0.5
330
5
150
typ.
3.7
max.
±3
±0.4
±0.6
35
1.2
2000
450
±100
7
0.02
2000
max.
85
100
125
300
95
50
unit
%
%
%
mVp-p
W
mA
KHz
mV
mA
°C
%/°C
μF
unit
°C
°C
°C
°C
%
°C/W
hours
grams
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382

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