V78E06-1000-SMT [CUI]
NON-ISOLATED DC SWITCHING REGULATOR;
| 型号： | V78E06-1000-SMT |
| 厂家： | 
CUI INC |
| 描述： | NON-ISOLATED DC SWITCHING REGULATOR 开关 |
| 文件： | 总10页 (文件大小：1861K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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date 09/12/2018
page 1 of 10
SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
FEATURES
• 1 A of output current
• efficiency up to 95%
• SMT package
• industrial operating temp -40~+85°C
• designed to meet IEC/EN 62368-1
• industry standard footprint
• no load input current of 0.2 mA
• output short circuit protection on output
input
output
voltage
output
current
max
output
power
max
ripple
efficiency3
MODEL
voltage1
& noise2
typ
range
max
typ
(Vdc)
(Vdc)
4.75~32
4.75~32
6.5~36
8~36
(Vdc)
1.5
2.5
3.3
5
(mA)
(W)
(mVp-p)
(%)
V78E01-1000-SMT
V78E02-1000-SMT
V78E03-1000-SMT
V78E05-1000-SMT
V78E06-1000-SMT
V78E09-1000-SMT
V78E12-1000-SMT
12
12
24
24
24
24
24
1000
1000
1000
1000
1000
1000
1000
1.5
2.5
3.3
5
75
75
75
75
75
75
75
76
86
90
93
93
94
95
10~36
13~36
16~36
6.5
9
6.5
9
12
12
Notes:
1. For input voltages higher than 30 Vdc, a 22 µF / 50 V input capacitor is required.
2. Tested at nominal input, 20~100% load, 20 Mhz bandwidth, with 10 µF electrolytic and 1 µF ceramic capacitor on the output. At loads below 20%, the max ripple and
noise will be 150 mVp-p.
3. Measured at min Vin, full load.
4. All specifications are measured at Ta=25°C, humidity < 75%, nominal input voltage, and rated output load unless otherwise specified.
PART NUMBER KEY
V78E XX-1000-SMT-TR
Base Number
Output Voltage
Output Current
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 2 of 10
INPUT
parameter
conditions/description
min
typ
max
units
operating input voltage5
4.75
36
Vdc
filter
capacitor filter
input reverse polartiy protection no
no-load input current
0.2
0.2
1.0
1
mA
mA
turn on (3.2~5.5 Vdc or open circuit)
turn off (<0.8 Vdc)
remote on/off6
input current when switched off
Note:
5. See Model section on page 1 for specific input voltage ranges.
6. The voltage of remote ON/OFF pin is relative to GND pin.
OUTPUT
parameter
conditions/description
min
typ
max
units
maximum capacitive load7
680
μF
at full load, input voltage range
1.5, 2.5, 3.3 Vdc output models
all other models
voltage accuracy
line regulation
±2
±2
±4
±3
%
%
at full load, input voltage range
1.5, 2.5 Vdc output models
all other models
±0.3
±0.2
±0.6
±0.4
%
%
at 10~100 % load, input voltage range
1.5, 2.5 Vdc output models
all other models
load regulation
±0.8
±0.3
±1.5
±0.6
%
%
voltage adjustment
input voltage range
±10
%Vo
at full load, input voltage range
1.5, 2.5 Vdc output models
3.3, 5, 6.5 Vdc output models
all other models
370
520
700
kHz
kHz
kHz
switching frequency
transient recovery time
transient response deviation
temperature coefficient
at nominal input voltage, 25% load step change
at nominal input voltage, 25% load step change
operating temperature -40 °C to +85 °C
0.2
50
1
ms
mV
150
±0.03
%/°C
Note:
7. The maximum capacitive load was tested at nominal input voltage, full load.
PROTECTIONS
parameter
conditions/description
min
min
typ
typ
max
max
units
units
short circuit protection
continuous, auto recovery
SAFETY AND COMPLIANCE
parameter
safety approvals
conducted emissions
radiated emissions
ESD
conditions/description
CE
CISPR32/EN55032, class B (external circuit required, see Figure 3-b)
CISPR32/EN55032, class B (external circuit required, see Figure 3-b)
IEC/EN61000-4-2, contact ± 4kV, class B
radiated immunity
EFT/burst
IEC/EN61000-4-3, 10V/m, class A
IEC/EN61000-4-4, ± 1kV, class B (external circuit required, see Figure 3-a)
surge
IEC/EN61000-4-5, line-line ± 1kV, class B (external circuit required, see Figure 3-a)
IEC/EN61000-4-6, 3 Vr.m.s, class A
conducted immunity
MTBF
as per MIL-HDBK-217F, 25°C
yes
2,000,000
hours
RoHS
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 3 of 10
ENVIRONMENTAL
parameter
conditions/description
min
-40
-55
5
typ
typ
max
85
units
°C
operating temperature
storage temperature
storage humidity
see derating curves
125
95
°C
non-condensing
%
SOLDERABILITY
parameter
conditions/description
min
max
units
reflow soldering
see reflow profile, refer to IPC/JEDEC J-STD-020D.1
245
°C
250
Peak Temp 245°C (Max)
245
217
200
60 Sec Max
(>217°C)
150
100
50
0
Time (sec)
MECHANICAL
parameter
dimensions
conditions/description
min
typ
max
units
15.24 x 8.50 x 8.25 [0.60 x 0.335 x 0.325 inch]
black flame-retardant and heat resistant plastic (UL94V-0)
mm
case material
weight
1.7
g
MECHANICAL DRAWING
units: mm [inch]
tolerance: ±0.25[±0.010]
pin section tolerance: ±0.10[±0.004]
PIN CONNECTIONS
PIN
1
FUNCTION
+VIN
2
+VIN
3
GND
4
+VOUT
+VOUT
V adj
5
6
7
GND
10
remote on/off
Recommended PCB Layout
Top View
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 4 of 10
DERATING CURVES
Temperature Derating Curves
9 Vdc Output
Temperature Derating Curves12
Vdc Output
(Natural Convection)
(Natural Convection)
120
100
120
100
80
80
Vin≤26 V
26<Vin≤36 V
Vin≤26 V
26<Vin≤36 V
60
50
60
50
40
30
20
40
30
20
0
0
55
-40
0
40
85
120
50
71
-40
0
40
85
120
Ambient Temperature (°C)
Ambient Temperature (°C)
Temperature Derating Curves
All Other Outputs
(Natural Convection)
120
100
80
Vin≤26 V
26<Vin≤36 V
60
50
40
30
20
0
-40
0
45
60
85
120
Ambient Temperature (°C)
EFFICIENCY CURVES
V78E01-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E01-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
90
85
100
90
80
75
80
70
70
65
60
50
60
55
50
45
40
40
30
20
10
0
5
10 20
30 40
50 60
70 80 90
4.75 7 9.25 11.5 13.75 16 18.25 20.5 22.75 25 27.2529.50 32
Input Voltage (Vdc)
Output Current (%)
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 5 of 10
(
)
EFFICIENCY CURVES CONTINUED
V78E02-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E02-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
100
95
90
80
70
90
85
80
75
60
50
40
30
70
65
60
55
50
20
10
0
5
5
5
10 20 30 40 50 60 70 80 90 100
Output Current (%)
4.75
6
10 12
16 20
24 28
30 32
Input Voltage (Vdc)
V78E03-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E03-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
100
95
90
85
90
80
70
80
75
60
50
70
65
40
30
60
55
50
20
10
0
4.75 7.75 10.75 13.75 16.75 19.75 22.75 25.75 28.75 31.75 34.75 100
Input Voltage (Vdc)
10 20 30 40 50 60 70 80 90 100
Output Current (%)
V78E05-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E05-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
95
90
85
80
75
100
90
80
70
60
50
40
30
20
70
65
60
55
50
10
0
10 20
30 40
50 60
70 80 90
8
10
12 16
20 24 28
32 34 36
Output Current (%)
Input Voltage (Vdc)
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 6 of 10
(
)
EFFICIENCY CURVES CONTINUED
V78E06-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E06-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
95
100
90
80
70
90
85
80
75
60
50
40
30
70
65
60
55
50
20
10
0
5
10 20 30 40 50 60 70 80 90 100
Output Current (%)
8
12
16
20 24 28 30
Input Voltage (Vdc)
32
34 36
V78E09-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E09-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
100
95
90
85
90
80
70
80
75
60
50
40
30
70
65
60
55
50
20
10
0
5
10 20 30 40 50 60 70 80 90 100
Output Current (%)
13 15.5 18 20.5 23 25.5 28 30.5 33 35.5 36
Input Voltage (Vdc)
V78E12-1000-SMT Efficiency Curve
Efficiency vs. Input Voltage
(at full load)
V78E12-1000-SMT Efficiency Curve
Efficiency vs. Load Current
(at Vin nominal)
100
95
100
90
80
70
90
85
80
75
60
50
40
30
70
65
60
55
50
20
10
0
5
10 20 30 40 50 60 70 80 90 100
Output Current (%)
16 18
20
22
24 26
28 30
32
36
Input Voltage (Vdc)
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 7 of 10
TYPICAL APPLICATION CIRCUIT
Figure 1
Figure 2
LC Filter Application Circuit
Application Circuit
Table 1
C1
C2
Ra1/Ra2
(Vadj resistance)
Model Number
(ceramic capacitor) (ceramic capacitor)
V78E01-1000-SMT
V78E02-1000-SMT
V78E03-1000-SMT
V78E05-1000-SMT
V78E06-1000-SMT
V78E09-1000-SMT
V78E12-1000-SMT
10 μF/50 V
10 μF/50 V
10 μF/50 V
10 μF/50 V
10 μF/50 V
10 μF/50 V
10 μF/50 V
22 μF/10 V
22 μF/10 V
22 μF/10 V
22 μF/16 V
22 μF/16 V
22 μF/16 V
22 μF/25 V
refer to Vadj
resistance
calculation
EMC RECOMMENDED CIRCUIT
Figure 3
Table 2
Recommended external circuit components
FUSE
MOV
choose according to actual input current
S20K30
82 µH
LDM1
C0
680 µF/50 V
refer to table 1
4.7 µF/50 V
68 µH
C1, C2
C5
LDM2
Note:
8. C1 & C2 are required and should be connected as close to the module pins as possible.
9. C1 & C2 can be increased as needed and the use of tantalum or low ESR electrolytic capacitors would be recommended.
10. To reduce the output ripple further, it is recommended to add an “LC” filter at the output (see figure 2) with a 10~47 µH L component.
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 8 of 10
APPLICATION NOTES
1. Output voltage trimming
Leave open if not used.
Figure 4
Application Circuit for Trim pin
Formula for Trim Resistor
(part in broken line is the interior of models)
aR
2
Vref
Vo’-Vref
-R
3
up:
R
a2
=
a=
a=
R
1
Vo’
Vo’
R2
-a
aR
1
Vo’-Vref
Vref
down:
-R3
Ra1
=
R2
R
1
R -a
1
Ra1
R
1
R3
V
ref
Va dj
Note: Value for R1, R2, R3, and Vref refer to Table 3
Ra1/Ra2: Trim Resistor
R3
Vref
Va dj
R2
Ra2
a: User-defined parameter, no actual meanings
Vo': The trim up/down voltage
R2
Table 3
0V
0V
Vout
(Vdc)
R1
(kΩ)
R2
(kΩ)
R3
(kΩ)
Vref
(V)
1.511
2.5
3.3
5
7.5
9.1
75
43
43
43
36
7.5
3.9
22
15
8.2
75
33
22
22
10
0.75
0.75
0.75
0.75
0.75
0.75
0.75
7.5
5.6
3.9
2.4
6.5
9
12
Note: 11. The 1.5 Vdc output model can only be adjusted up.
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 9 of 10
PACKAGING
units: mm
Reel Size: Ø330 mm
Reel QTY: 300 pcs per tray
Carton Box Size: 400 x 365 x 255 mm
Carton Box QTY: 1,800 pcs per carton box
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CUI Inc │ SERIES: V78E-1000-SMT │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR
date 09/12/2018│ page 10 of 10
REVISION HISTORY
rev.
description
date
1.0
initial release
09/12/2018
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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