V7815-1000R [CUI]
NON-ISOLATED SWITCHING REGULATOR; 非隔离式开关稳压器
| 型号： | V7815-1000R |
| 厂家： | 
CUI INC |
| 描述： | NON-ISOLATED SWITCHING REGULATOR |
| 文件： | 总7页 (文件大小：578K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
date 04/22/2013
page 1 of 7
SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
FEATURES
• 1 A current output
• extremely high efficiency up to 97%
• no heat sink required
• pin compatible to LM78XX linear regulators
• available in straight and right angle SIP packages
• low ripple and noise
• short circuit protection, thermal shutdown
• wide temperature (-40~85°C)
RoHS
input
voltage
output
voltage
output
current
max
ripple
efficiency
MODEL
and noise1
typ
range
max
Vin min
Vin max
(Vdc)
(Vdc)
(Vdc)
3.3
5
(mA)
(mVp-p)
(%)
(%)
V7803-1000
V7805-1000
V7806-1000
V7809-1000
V7812-1000
V7815-1000
24
4.75~28
6.5~32
9~32
1,000
1,000
1,000
1,000
1,000
1,000
35
35
35
35
35
35
90
93
94
95
96
97
83
88
90
92
94
94
24
24
6.5
9
24
12~32
16~32
20~32
24
12
15
24
Notes:
1. ripple and noise are measured at 20 MHz BW
PART NUMBER KEY
V78 XX - 1000 X
Base Number
Output Voltage
Output Current
"blank" = straight pins
R = 90° pins
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 2 of 7
INPUT
parameter
conditions/description
min
typ
max
units
3.3 V model
5 V model
6.5 V model
9 V model
12 V model
15 V model
4.75
6.5
9.0
12
16
20
24
24
24
24
24
24
28
32
32
32
32
32
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
operating input voltage
OUTPUT
parameter
conditions/description
Vin = min ~ max, at full load
measured from 10% load to full load
100% load
min
typ
±0.2
±0.4
±2
max
±0.4
±0.6
±3
units
%
line regulation
load regulation
voltage accuracy
switching frequency
temperature coefficient
load capatance
%
%
100% load, input voltage range
280
330
450
kHz
%/°C
μF
±0.02
1,000
PROTECTIONS
parameter
conditions/description
min
typ
max
units
short circuit protection
thermal shutdown
continuous, automatic recovery
150
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
typ
25
max
units
MTBF
2,000,000
hours
RoHS compliant
yes
ENVIRONMENTAL
parameter
conditions/description
min
-40
-55
max
85
units
°C
operating temperature
storage temperature
case temperature
storage humidity
temperature rise
125
100
95
°C
°C
non-condensing
%
at full load
°C
lead temperature
1.5 mm from case for 10 seconds
300
°C
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 3 of 7
DERATING CURVES
1. output power vs. ambient temperature
100
80
60
40
20
-40
-20
0
20
40
60 71
85
100
120
Ambient Temperature (°C)
MECHANICAL
parameter
dimensions
conditions/description
min
typ
max
units
11.50 x 9.00 x 17.50 (0.689 x 0.354 x 0.453 inch)
plastic (UL94-V0)
mm
case material
weight
3.7
g
MECHANICAL DRAWING
units: mm [inches]
tolerance: ±0.25 [0.010]
pin section tolerance: ±0.10 [0.004]
V78XX-1000
V78XX-1000R
11.50[0.453]
9.00 [0.354]
11.50[0.453]
9.00 [0.354]
17.50 [0.689]
17.50 [0.689]
4.10[0.161]
1.50
2.15
4.10 [0.161]
5.08 [0.200]
[0.059]
5.08 [0.200]
[0.085]
1.35 [0.053]
(Bottom View)
5.08 [0.200]
1.00 [0.039]
(Bottom View)
1
2
3
2
1
3
0.30
[0.012]
1
2
3
2.15
[0.085]
0.50 [0.020]
2.54 [0.100]
1.00 [0.039]
PIN CONNECTIONS
PIN
1
FUNCTION
+Vin
GND
+Vo
2
3
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 4 of 7
EXTERNAL CAPACITOR TABLE
Part Number
V7803-1000(R)
V7805-1000(R)
V7806-1000(R)
V7809-1000(R)
V7812-1000(R)
V7815-1000(R)
C1,C3 (Ceramic capacitor)
10μF/50V
C2,C4 (Ceramic capacitor)
22μF/6.3V
10μF/50V
22μF/10V
10μF/50V
10μF/10V
10μF/50V
10μF/16V
10μF/50V
10μF/25V
10μF/50V
10μF/25V
TYPICAL APPLICATION CIRCUIT
APPLICATION EXAMPLE
3
3
1
+Vin
V78XX-1000(R)
2
+Vout
GND
1
3
Vin
+Vout
V78XX-1000(R)
2
C3
C4
C2
GND
C1
C2
C1
1
V78XX-1000(R)
2
GND
GND
GND
+Vin
-Vout
C1
1. C1 and C2 are required and should be fitted close to the converter
pins.
3
1
V78XX-1000(R)
2
2. The capacitance of C1, C2, C3 and C4 sees external capacitor
table, it can be increased properly if required, and tantalum or low
ESR electrolytic capacitors may also suffice.
C2
3. No parallel connection or plug and play.
-Vout
OUTPUT RIPPLE REDUCTION
L
Vin
+Vout
DC/DC
Converter
2
3
1
C1
C2
22
F
GND
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10 H ~ 47 H.
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 5 of 7
EFFICIENCY AND RIPPLE CURVES
Efficiency
Ripple
Ripple (mV)
Efficiency(%)
100
40
35
30
25
20
15
10
5
90
80
70
V7803-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
60
Vin(V)
4.75
8
12
16
20
24
28
32
Vin (V)
4.75
8
12
16
20
24
28
32
Efficiency VS Vin(Full Load)
Ripple VS Vin ( Full Load)
Ripple(mV)
20
Efficiency(%)
100
95
90
85
80
75
70
65
15
10
5
V7803-1000
V7803-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
0
Load(mA)
40
80
200
400
600
800
1000
Load(mA)
800 1000
40
80
200
400
600
Ripple VS Load(Vin=Vin_min)
Efficiency VS Load(Vin=Vin_min)
Efficiency(%)
100
Ripple(mV)
35
30
25
20
15
10
5
90
80
70
60
50
V7803-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
V7803-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
0
Load(mA)
800 1000
40
80
200
400
600
40
80
200
400 600 800 1000 Load(mA)
Efficiency VS Load(Vin=Vin_max)
Ripple VS Load(Vin=24V)
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 6 of 7
TEST CONFIGURATION
Efficiency and Output Voltage Ripple Test
25.4mm
25.4mm
12.7mm
Vin
+Vout
DC/DC
Copper strip
3
1
Converter
1
F
10
F
2
C2
C1
Scope
Ceramic Tantalum
GND
Copper strip
Start-up and Load Transient Response Test
50.8 mm
Vin
+Vout
DC/DC
Copper strip
Copper strip
3
1
Converter
2
C2
Scope
C1
GND
Note:
All specifications measured at 25°C, humidity <75%, nominal input voltage, and full load unless otherwise noted.
cui.com
CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 7 of 7
REVISION HISTORY
rev.
description
date
1.0
initial release
07/13/2010
09/04/2012
09/25/2012
04/22/2013
1.01
1.02
1.03
V-Infinity branding removed
updated typical application circuits
corrected switching frequency values
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
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