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參數資料
| 型號： | PSL248-7LIRCDA |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE L04, MODULE |
| 文件頁數： | 1/11頁 |
| 文件大小： | 245K |
| 代理商： | PSL248-7LIRCDA |
Industrial Environment
Switching Regulators 19"
PSL-Family
Edition 2/96 - Melcher AG
5 - 37
MELCHER
The Power Partners.
5.2
PSR: Positive Switching Regulators
PSL-Family
No input to output isolation
Single output of 5.1, 12, 15, 24 or 36 V DC/51...288 W
Input voltage up to 80 V DC
High efficiency up to 94 %
Wide input voltage range
Low input-to-output differential voltage
Very good dynamic properties
Input undervoltage cut-out
External output voltage adjustment and inhibit
Continuous no-load and short-circuit proof
No derating
Safety according to IEC 950
C
Table of Contents
Page
Type Survey .............................................................. 5 - 37
Description ................................................................ 5 - 37
Safety and Installation Instructions ........................... 5 - 38
Immunity to Environmental Conditions ...................... 5 - 39
Electromagnetic Compatibility EMC .......................... 5 - 40
Characteristics and Definitions .................................. 5 - 41
Electrical Input and Output Data ............................... 5 - 42
Standard Features .................................................... 5 - 44
Description of Options ............................................... 5 - 44
Mechanical Data ....................................................... 5 - 46
Type Key and Product Marking ................................. 5 - 47
Description
The PSL family of positive swiching regulators is designed
as power supply modules for electronic systems. Their ma-
jor advantages include a high level of efficiency that re-
mains virtually constant over the entire input range, high
reliability, low ripple and excellent dynamic response.
Modules with input up to 80 V are specially designed for
secondary switched and battery driven applications.
Case L04: Aluminium, black finish and self cooling.
External input circuitry
An external capacitor (see "Application Notes") is required
in rectifier mode and in DC operation mode only, if the sum
of the lengths of the two input lines between source and in-
put (without option L) is greater than approx. 5 m. For long
connection lines the use of option L is recommended in or-
der to reduce superimposed interference voltages or cur-
rents and to prevent oscillation.
Type Survey
Table 1: Type survey
Nominal
Input
Nominal
Efficiency
Type
Options
Superseded
output
voltage
input
designation
old type
voltage
current
range
voltage
(phase-out)
Uo nom
Io nom
Ui 1
Ui nom
η
5.1 V
12 A
7...40 V
20 V
83%
PSL 5A12-7R
-9, L, i, P, C, D, A
PSR 512E-7
5.1 V
10 A
8...80 V
40 V
76%
PSL 5A10-7R
PSR 510E-7
12 V
8 A
15...80 V
89%
PSL 128-7R
PSR 128E-7
15 V
19...80 V
90%
PSL 158-7R
PSR 158E-7
24 V
29...80 V
50 V
92%
PSL 248-7R
PSR 248E-7
36 V
42...80 V
60 V
94%
PSL 368-7R
PSR 368E-7
1 See data
Uio min (min. differential voltage Ui – Uo)
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