V7805-2000R [CUI]
NON-ISOLATED SWITCHING REGULATOR; 非隔离式开关稳压器
| 型号： | V7805-2000R |
| 厂家： | 
CUI INC |
| 描述： | NON-ISOLATED SWITCHING REGULATOR |
| 文件： | 总6页 (文件大小：653K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
date 09/06/2012
page 1 of 6
SERIES: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
FEATURES
• 2 A current output
• extremely high efficiency up to 92%
• 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
output
power
max
ripple
efficiency
MODEL
and noise1
typ
range
max
Vin min
Vin max
(Vdc)
(Vdc)
4.75~18
4.75~18
6.5~18
8~18
(Vdc)
2.5
3.3
5
(mA)
(W)
(mVp-p)
(%)
(%)
V7802-2000
V7803-2000
V7805-2000
V7806-2000
12
12
12
12
2,000
2,000
2,000
2,000
5
45
45
45
45
85
87
91
92
83
86
88
91
6.6
10
13
6.5
Notes:
1. ripple and noise are measured at 20 MHz BW
PART NUMBER KEY
V78 XX - 2000 X
Base Number
Output Voltage
Output Current
"blank" = straight pins
R = 90° pins
cui.com
CUI Inc │ SERIES: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 09/06/2012 │ page 2 of 6
INPUT
parameter
conditions/description
min
typ
max
units
2.5 and 3.3 V outputs
5 V output
6.5 V output
4.75
7
8.5
12
12
12
18
18
18
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
300
min
typ
±0.5
±0.5
±2
max
±0.75
±1.0
±3
units
%
line regulation
load regulation
voltage accuracy
switching frequency
temperature coefficient
%
%
100% load, input voltage range
340
380
kHz
%/°C
±0.03
PROTECTIONS
parameter
conditions/description
continuous, automatic recovery
internal IC junction
typ
max
max
units
short circuit protection
thermal shutdown
150
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
units
EMI/EMC
EN 55022 class B, EN 61000-4-2 level 3 6kV / 8kV perf. criteria B
MTBF
2,000,000
hours
RoHS compliant
yes
ENVIRONMENTAL
parameter
conditions/description
min
-40
-55
typ
max
85
units
°C
operating temperature
storage temperature
case temperature
storage humidity
temperature rise
125
100
95
°C
°C
non-condensing
%
at full load
25
°C
lead temperature
1.5 mm from case for 10 seconds
300
°C
cui.com
CUI Inc │ SERIES: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 09/06/2012 │ page 3 of 6
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
0.689 x 0.354 x 0.453 (11.50 x 9.00 x 17.50 mm)
plastic (UL94-V0)
inch
case material
weight
4.0
g
MECHANICAL DRAWING
units: mm [inches]
tolerance: ±0.25 [±0.010]
pin section tolerance: ±0.10 mm [±0.004]
V78XX-2000
V78XX-2000R
9.00 [0.354]
11.50[0.453]
9.00 [0.354]
11.50[0.453]
17.50 [0.689]
17.50 [0.689]
4.10[0.161]
4.10 [0.161]
5.08 [0.200]
1.50
[0.059]
2.15
5.08 [0.200]
[0.085]
1.35 [0.053]
5.08 [0.200]
1.00 [0.039]
(Bottom View)
(Bottom View)
1
2
3
1
2
3
2.15
1
2
3
0.30 [0.012]
1
2
3
[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: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 09/06/2012 │ page 4 of 6
EXTERNAL CAPACITOR TABLE
Part Number
V7802-2000
V7803-2000
V7805-2000
V7806-2000
C1 (Ceramic capacitor)
10μF/25V
C2 (Ceramic capacitor)
22μF/6.3V
22μF/6.3V
22μF/16V
22μF/16V
10μF/25V
10μF/25V
10μF/25V
TYPICAL APPLICATION CIRCUIT
Positive and Negative Outputs
Positive Output
3
1
1
3
+Vin
+Vout
GND
V78XX-2000
2
Vin
V78XX-2000
2
+Vout
C3
C1
C4
C2
C1
C2
GND
GND
1
GND
3
V78XX-2000
2
Negative Output
GND
GND
+Vin
-Vout
Note:
3
1. C1 and C2 are required and should be fitted close to the converter
pins.
2. The capacitance of C1and C2 sees external capacitor table, it can
be increased properly if required, and tantalum or low ESR
electrolytic capacitors may also suffice.
1
V78XX-2000
2
C1
C2
3. No parallel connection or plug and play.
-Vout
INPUT FILTER CIRCUIT
10uH-47uH
Vin
Vo
Vin
GND
Vout
GND
10uF
10uF
GND
OUTPUT FILTER CIRCUIT
10uH-47uH
10uF
Vin
Vin
Vo
GND
RL
10uF
22uF
GND
cui.com
CUI Inc │ SERIES: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 09/06/2012 │ page 5 of 6
EMC RECOMMENDED CIRCUIT
1mH
Vin
Vout
Vin
Vo
GND
2.2uF
330uF
1uF
GND
GND
1mH
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
3
1
Converter
2
C2
Scope
C1
GND
Copper strip
EFFICIENCY AND RIPPLE CURVES
Efficiency
Ripple
Efficiency VS. Input voltage (full load)
Ripple VS. Load(Vin=nominal)
100
95
90
85
80
75
70
65
60
37
32
27
22
17
12
7
V7802-2000
V7802-2000
V7803-2000
V7805-2000
V7806-2000
V7803-2000
V7805-2000
V7806-2000
2
4.75
5
6
6.5 7.2
8
9
10 12 15 18 20
200 400 600 800 1000 1200 1400 1600 1800 2000
Load(mA)
Input voltage(V)
Ripple VS. Input voltage(full load)
Efficiency VS. Load(Vin=nominal)
34
30
26
22
18
14
10
6
100
90
80
70
60
50
V7802-2000
V7803-2000
V7805-2000
V7806-2000
V7802-2000
V7803-2000
V7805-2000
V7806-2000
2
4.75
5
6
6.5 7.2
8
9
10 12 15 18 20
200 400 600 800 1000 1200 1400 1600 1800 2000
Load(mA)
Input Voltage(V)
cui.com
CUI Inc │ SERIES: V78XX-2000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 09/06/2012 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
06/17/2010
09/06/2012
1.01
V-Infinity branding removed
The revision history provided is for informational purposes only and is believed to be accurate.
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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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