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參數(shù)資料
| 型號： | QV48-5-20-1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | QUARTER BRICK PACKAGE-8 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 252K |
| 代理商： | QV48-5-20-1 |
QUATTROVERTER
DC-DC Converters
MODEL: QV48-5-20-1
RO Associates, Inc.
Sunnyvale, CA
408 744-1450
fax:408 744-1521
email:sales@roassoc.com
SPECIFICATIONS (continued)
ISOLATION PARAMETERS
Input/Output Isolation
Input-to-Output Capacitance
Input-to-Output Resistance
MECHANICAL PARAMETERS
Weight
Size
FEATURE PARAMETERS
Trim Range
Over Voltage Protection (Non-
Shutdown, Auto. Recovery)
MIN
10
TYP
50
MAX
1500
UNITS
Vdc
pF
M Ohms
CONDITIONS
MIN
TYP
35 (1.24)
2.3 x 1.45 x 0.42
MAX
UNITS
g (oz.)
Inches
CONDITIONS
MIN
4.0
115
TYP
120
MAX
5.5
140
UNITS
V
% Vout
(nom)
°C
CONDITIONS
OVP threshold does not change when
Vo is trimmed
Over Temperature Shut-down
(Automatic Recovery)
Turn-On Time
120
PCB temperature
12
20
msec
80% F.L., Vout within 1%
Vout = 0
@Von/off < 0.5V
@Von/off = 15V
80% F.L., Vout settled within 1%
Logic On/Off
Logic Low
On/Off Source Current
Logic High
On/Off Sink Current
Logic Turn-On Time
0.5
V
mA
V
μA
msec
2
2
15
50
TRIM CIRCUIT CONFIGURATIONS
TRIM-UP
TRIM RESISTOR CALCULATIONS
(Standard Trim)
k
2
+
%
=
2
.
10
511
%
225
.
1
100
(
V
11
.
5
R
O
up
trim
%)
k
=
10
511
%
R
dn
trim
.
+OUT
+SENSE
TRIM
-SENSE
-OUT
LOAD
R
trim-up
+OUT
+SENSE
TRIM
-SENSE
-OUT
TRIM-DOWN
LOAD
R
trim-dn
Where:
Vo
= The nominal output voltage of the module with
no trimming.
% =
The desired percentage change in the output
(
%
is always a positive number).
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