參數(shù)資料
型號: PKB4711PINBLA
廠商: ERICSSON POWER MODULES AB
元件分類: 電源模塊
英文描述: 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, EIGHTH BRICK PACKAGE-8
文件頁數(shù): 11/46頁
文件大?。?/td> 1643K
代理商: PKB4711PINBLA
Ericsson Confidential
PRODUCT SPECIFICATION
4 (5)
Prepared (also subject responsible if other)
No.
EXUEFYA
2/1301-BMR 636 01/24 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
ECHWANG
2008-5-21
A
2.5 V/25 A Typical Characteristics
PKB4619 PINB
Start-up
Shut-down
Start-up enabled by connecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 25 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 25 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (0.2 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Tref = +25°C, VI = 53 V,
IO = 25 A resistive load.
Trace: output voltage (20 mV/div.).
Time scale: (2 s/div.).
Output voltage response to load current step-
change (6.25-18.75-6.25 A) at:
Tref =+25°C, VI = 53 V.
Top trace: output voltage (200 mV/div.).
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
Output Voltage Adjust (see operating information)
Passive adjust
The resistor value for an adjusted output voltage is calculated by
using the following equations:
Output Voltage Adjust Upwards, Increase:
()
×
+
×
=
22
.
10
%
511
%
225
.
1
%
100
5
.
2
11
.
5
Radj
k
Example: Increase 10% =>Vout =2.75 Vdc
()
×
+
×
22
.
10
511
10
225
.
1
10
100
5
.
2
11
.
5
k = 53.39 k
Output Voltage Adjust Downwards, Decrease:
=
2
%
100
11
.
5
Radj
k
Example: Decrease 20% =>Vout =2.00 Vdc
2
20
100
11
.
5
k = 15.33 k
E
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
EN/LZT 146 394 R5A August 2009
Ericsson AB
Technical Specication
19
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