VQB125-D48-S9 [CUI]
DC/DC converter; DC / DC转换器
| 型号： | VQB125-D48-S9 |
| 厂家： | 
CUI INC |
| 描述： | DC/DC converter |
| 文件： | 总3页 (文件大小：119K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
page 1 of 3
date 08/2007
PART NUMBER: VQB125 series
DESCRIPTION: DC/DC converter
features
·40-125 W isolated output
·efficiency to 92%
·fixed switching frequency
·monotonic start-up into pre-
biased load
·input under-voltage protection
·over-temperature protection
·over current protection
·remote ON/OFF
·industry standard quarter-brick
package
·fully isolated 2250 VDC
model
input
output
voltage
1.0 VDC
1.2 VDC
1.5 VDC
1.8 VDC
2.5 VDC
3.3 VDC
5 VDC
output
input current
number
voltage
current
40 A
40 A
40 A
40 A
40 A
35 A
25 A
13 A
10 A
no load
60 mA
60 mA
60 mA
60 mA
60 mA
60 mA
60 mA
60 mA
60 mA
full load
1004 mA
1176 mA
1436 mA
1705 mA
2341 mA
2704 mA
2894 mA
2679 mA
2717 mA
efficiency
83%
VQB125-D48-S1
VQB125-D48-S1R2
VQB125-D48-S1R5
VQB125-D48-S1R8
VQB125-D48-S2R5
VQB125-D48-S3R3
VQB125-D48-S5
VQB125-D48-S9
VQB125-D48-S12
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
85%
87%
88%
89%
89%
90%
9 VDC
91%
12 VDC
92%
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page 2 of 3
date 08/2007
PART NUMBER: VQB125 series
DESCRIPTION: DC/DC converter
INPUT
input voltage range
48V:
36-75V
35 V
under voltage lockout
48 Vin power up
48 Vin power down
33 V
input filter
LC type
logic compatibility
module ON
CMOS or open collector TTL
open circuit or logic high
module OFF
<12 VDC
OUTPUT
voltage accuracy
transient response:
ripple & noise
±1.0% max.
<500 µS
25% step load change
20MHz BW
100 mV p-p max.
±0.03%/°C max.
±0.2% max.
±0.5% max.
115-140%
temperature coefficient
line regulation1
load regulation2
single/dual
single/dual
over-voltage protection
output current limit
short circuit protection
external trim adj.
% nom. output
110-140%
continuous/hiccup
±10%
GENERAL SPECIFICATIONS
efficiency
see table
isolation voltage
2250VDC min.
107 Ohm min.
250KHz, typ.
120°C typ.
isolation resistance
switching frequency
over temperature protection
operating temp. range
storage temp.
-40°C to 85°C
-40°C to 125°C
dimensions
2.3x1.45x0.36 inches
(58.4x36.8x9.2mm)
50 g
weight
NOTES:
1. measured from high line to low line
2. measured from full load to 1/4 load
3. suffix “N” to the model number with negative logic remote ON/OFF
module ON
<1.2 VDC
module OFF
open circuit or logic high
4. output ripple and noise is measured with 10 µF tantalum and 1 µF ceramic capacitor across output.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page 3 of 3
date 08/2007
PART NUMBER: VQB125 series
DESCRIPTION: DC/DC converter
DIMENSIONS (mm)
All Dim e nsio ns In Inc he s(m m )
To le ra nc e .xx ±.02 (.x ±0.5)
.xxx ±.010 (.xx ± 0.25)
2.30
(58.4)
2.000
(50.80)
PIN CONNECTION
Pin
Func tio n
4
5
6
7
3
1.45
0.600
2
1
0.600
(15.24)
1
2
3
4
5
6
7
8
+Vin
0.300
(7.62)
(36.8)
(15.24)
ON/ OFF
-Vin
8
-Vo ut
-SENSE
Trim
BOTTOM VIEW
SIDE VIEW
+SENSE
+Vo ut
0.36
(9.2)
0.106
(2.70)
0.145
(3.68)
(1.02)
0.040
(1.57)
0.062
A
ll
S
peci
f
ication
s
T
ypical
A
t
N
ominal Line, Full Load and 25˚C Unless Otherwise Noted .
DERATING CURVE
35
30
25
20
20LFM
100LFM
15
200LFM
10
5
300LFM
25
30
35
40
45
50
55
60
65
70
75
80
Ambient Temperature( ˚C)
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
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