V78XX-500 Datasheet, PDF (1/6 Pages) CUI INC – DC switching regulator, non-isolated

PART NUMBER: V78XX-500 series
rev.
page ^{1 of 6}
date ^06/2008
DESCRIPTION: DC switching regulator, non-isolated
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.
features
·efficiency up to 96%
·no need for heatsinks
·wide input range
·short circuit protection
·thermal shutdown
·low ripple and noise
·pin compatible to LM78XX
series
·non-isolated
model
number
V7803-500
V7805-500
V7806-500
V7809-500
V7812-500
V7815-500
input voltage
range
4.75~28 Vdc
6.5~32 Vdc
8~32 Vdc
11~32 Vdc
15~32 Vdc
18~32 Vdc
output
voltage
3.3 Vdc
5 Vdc
6.5 Vdc
9 Vdc
12 Vdc
15 Vdc
*see Application Notes section (page 5) for positive to negative conversion options.
output
current
500 mA
500 mA
500 mA
500 mA
500 mA
500 mA
efficiency
Vin_min
Vin_max
90%
80%
93%
84%
94%
87%
95%
91%
95%
92%
96%
93%
OUTPUT SPECIFICATIONS
item
conditions
min.
output voltage accuracy
at 100% load
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
load impedance is≤ 0.1Ω
output current limit
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
conditions
operating temperature range
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
0.3
330
5
150
typ.
2.0
max.
±3
±0.4
±0.6
35
0.8
2000
450
±100
7
0.02
1000
max.
85
100
125
300
95
70
unit
%
%
%
mVp-p
W
mA
KHz
mV
mA
°C
%/°C
μF
unit
°C
°C
°C
°C
%
°C/W
hours
grams
20050 SW 112^th Ave. Tualatin, Oregon 97062 phone [phone] fax [phone]