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VXO7805-1000

型号：

VXO7805-1000

品牌：

CUI[ CUI INC ]

页数：

8 页

PDF大小：

925 K

下载PDF手册
For more information, please visit the product page.  
date 05/19/2017  
page 1 of 8  
SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
FEATURES  
• wide input  
• pin-out compatible with linear regulators  
• open frame  
• UL & CSA approved  
• high efficiency up to 96%  
• no-load input current as low as 0.2 mA  
• wide operating temp: -40°C to +85°C  
• supports negative output  
• short circuit protection on the output  
input  
output  
voltage  
output  
current  
max  
output  
power  
max  
ripple  
efficiency3  
MODEL  
voltage1  
& noise2  
typ  
range  
max  
typ  
(Vdc)  
(Vdc)  
(Vdc)  
3.3  
(mA)  
(W)  
(mVp-p)  
(%)  
VXO7803-1000  
VXO7805-1000  
24  
6~36  
1000  
3.3  
75  
90  
24  
12  
8~36  
8~27  
5
-5  
1000  
-500  
5
2.5  
75  
75  
93  
86  
24  
12  
16~36  
8~20  
12  
-12  
1000  
-300  
12  
3.6  
75  
75  
96  
89  
VXO78012-1000  
VXO78015-1000  
24  
12  
20~36  
8~18  
15  
-15  
1000  
-300  
15  
4.5  
75  
75  
96  
89  
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 of the 3.3 & 5 Vdc outputs will be 100 mVp-p, and the other outputs will be 2% Vo.  
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  
VXO78 XX - 1000  
Base Number  
Output Current  
Output Voltage  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 2 of 8  
INPUT  
parameter  
conditions/description  
min  
typ  
max  
units  
for positive output applications  
for negative output applications  
6
8
24  
12  
36  
27  
Vdc  
Vdc  
operating input voltage1  
filter  
capacitor filter  
input reverse polartiy protection no  
no-load input current positive outputs  
0.1  
1
mA  
Note:  
1. See Model section on page 1 for specific input voltage ranges.  
OUTPUT  
parameter  
conditions/description  
min  
typ  
max  
units  
for positive output applications  
for negative output applications  
680  
330  
μF  
μF  
maximum capacitive load2  
at full load, input voltage range  
3.3 Vdc output model  
all other models  
voltage accuracy  
±2  
±2  
±4  
±3  
%
%
line regulation  
load regulation  
at full load, input voltage range  
at nominal input, 10~100% load  
±0.2  
±0.4  
±0.4  
±0.6  
%
%
at nominal input voltage, full load  
3.3/5 Vdc output models  
all other models  
switching frequency  
420  
580  
520  
680  
620  
780  
kHz  
kHz  
transient recovery time  
transient response deviation  
temperature coefficient  
at nominal input voltage, 25% load step change  
at nominal input voltage, 25% load step change  
at full load  
0.1  
50  
1
ms  
mV  
300  
±0.03  
%/°C  
Note:  
2. 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  
EMI/EMC  
conditions/description  
UL 60950-1  
EN 55032, EN 55024  
conducted emissions  
radiated emissions  
ESD  
CISPR22/EN55022, class B (external circuit required, see Figure 4-b)  
CISPR22/EN55022, class B (external circuit required, see Figure 4-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 4-a)  
surge  
IEC/EN61000-4-5, line-line ± 1kV, class B (external circuit required, see Figure 4-a)  
IEC/EN61000-4-6, 3 Vr.m.s, class A  
conducted immunity  
MTBF  
as per MIL-HDBK-217F, 25°C  
2011/65/EU  
2,000,000  
hours  
RoHS  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 3 of 8  
ENVIRONMENTAL  
parameter  
conditions/description  
min  
-40  
-55  
5
typ  
typ  
max  
85  
units  
°C  
operating temperature  
storage temperature  
storage humidity  
see derating curve  
125  
95  
°C  
non-condensing  
%
SOLDERABILITY  
parameter  
conditions/description  
min  
max  
units  
wave soldering  
see wave soldering profile  
260  
°C  
Peak Temp. 260°C Max.  
Wave Soldering Time  
250  
4 Sec. Max.  
200  
150  
100  
10 Sec. Max.  
50  
0
Time (sec.)  
MECHANICAL  
parameter  
dimensions  
weight  
conditions/description  
min  
typ  
max  
units  
mm  
g
11.50 x 7.50 x 17.50 [0.453 x 0.295 x 0.689 inch]  
2.1  
MECHANICAL DRAWING  
units: mm [inch]  
tolerance: ±0.50[±0.020]  
pin diameter tolerance: ±0.10[±0.004]  
PIN CONNECTIONS  
PIN  
1
+OUTPUT  
+VIN  
-OUTPUT  
+VIN  
2
GND  
-VOUT  
GND  
3
+VOUT  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 4 of 8  
DERATING CURVE  
Temperature Derating Curve  
(Natural Convention)  
120  
100  
80  
60  
40  
20  
0
71  
-40  
0
40  
85  
120  
Ambient Temperature (°C)  
EFFICIENCY CURVES  
VXO7803-1000 Efficiency Curve  
Positive Output, Efficiency vs. Input Voltage  
VXO7803-1000 Efficiency Curve  
Positive Output, Efficiency vs. Load Current  
(at full load)  
(at Vin nominal)  
90  
86  
82  
78  
74  
92  
90  
88  
86  
84  
82  
70  
66  
10  
80  
78  
20  
30  
40  
50  
60  
70  
80  
90  
100  
Load Current (%)  
6
12  
18  
24  
30  
36  
Input Voltage (Vdc)  
VXO78012-1000 Efficiency Curve  
Positive Output, Efficiency vs. Input Voltage  
VXO78012-1000 Efficiency Curve  
Positive Output, Efficiency vs. Load Current  
(at full load)  
(at Vin nominal)  
98  
96  
94  
96  
94  
92  
92  
90  
88  
86  
90  
88  
86  
84  
84  
82  
16  
20  
24  
28  
32  
36  
10  
20  
30  
40  
50 60  
70  
80  
90 100  
Input Voltage (Vdc)  
Load Current (%)  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 5 of 8  
(
)
EFFICIENCY CURVES CONTINUED  
VXO78012-1000 Efficiency Curve  
Negative Output, Efficiency vs. Input Voltage  
(at full load)  
VXO78012-1000 Efficiency Curve  
Negative Output , Efficiency vs. Load Current  
(at Vin nominal)  
92  
90  
95  
90  
85  
80  
75  
88  
86  
84  
70  
65  
60  
82  
80  
10  
20  
30  
40  
50  
60  
70  
80  
90 100  
8
12  
16  
20  
Input Voltage (Vdc)  
Load Current (%)  
VXO78015-1000 Efficiency Curve  
Positive Output, Efficiency vs. Input Voltage  
(at full load)  
VXO78015-1000 Efficiency Curve  
Positive Output, Efficiency vs. Load Current  
(at Vin nominal)  
100  
100  
95  
90  
96  
92  
85  
80  
88  
84  
80  
75  
70  
20  
24  
28  
32  
36  
10 20 30  
40 50 60 70  
Load Current (%)  
80 90 100  
Input Voltage (Vdc)  
VXO78015-1000 Efficiency Curve  
Negative Output, Efficiency vs. Input Voltage  
(at full load)  
VXO78015-1000 Efficiency Curve  
Negative Output, Efficiency vs. Load Current  
(at Vin nominal)  
92  
94  
90  
88  
86  
84  
90  
86  
82  
78  
74  
70  
82  
80  
8
12  
16  
18  
10  
20  
30 40  
50  
60 70  
80 90 100  
Input Voltage (Vdc)  
Load Current (%)  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 6 of 8  
TYPICAL APPLICATION CIRCUIT  
Figure 1  
Figure 2  
Negative Output Application Circuit  
Positive Output Application Circuit  
1
3
2
1
+Vin  
GND  
DC/DC  
2
+Vout  
GND  
DC/DC  
+Vin  
GND  
-Vout  
GND  
C1  
C1  
C2  
3
C2  
Figure 3  
Table 1  
Positive and Negative Output Paralleling Application Circuit  
External Capacitor Table  
C1, C3  
C2, C4  
+Vin  
+Vout  
Model Number  
3
1
DC/DC  
2
(ceramic capacitor) (ceramic capacitor)  
VXO7803-1000  
VXO7805-1000  
VXO78012-1000  
VXO78015-1000  
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/25 V  
22 μF/25 V  
C4  
C3  
GND  
GND  
-Vout  
LDM  
2
1
DC/DC  
3
C1  
C2  
EMC RECOMMENDED CIRCUIT  
Figure 4  
Table 2  
Recommended external circuit components  
FUSE  
choose according to actual input current  
LDM1  
LDM2  
FUSE  
MOV  
DC/DC  
MOV  
LDM1  
C0  
S20K30  
82 µH  
V in  
+Vo  
Vin  
GN D  
+
LOAD  
C3  
C1  
C2  
680 µF/50 V  
see Table 1  
4.7 µF/50 V  
12 µH  
C0  
GN D  
C1, C2  
C3  
D
E
LDM2  
Note:  
1. C1 & C2 (C3 & C4) are required and should be connected as close to the module pins as possible.  
2. To reduce the output ripple further, C2 & C4 can be increased as needed and the use of tantalum or low ESR electrolytic capacitors would be recommended.  
3. When using application circuit in Figure 3, a 10 µH LDM component is recommended to reduce the interference.  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 7 of 8  
PACKAGING  
units: mm  
Tray Size: 340 x 340 x 26 mm  
Tray QTY: 140 pcs per tray  
Carton Box Size: 400 x 365 x 255 mm  
Carton Box QTY: 1,120 pcs per carton box  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VXO78-1000 │ DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR  
date 05/19/2017 │ page 8 of 8  
REVISION HISTORY  
rev.  
description  
date  
1.0  
initial release  
05/19/2017  
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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