參數(shù)資料
型號: PKB4418PIPNB
廠商: ERICSSON POWER MODULES AB
元件分類: 電源模塊
英文描述: 1-OUTPUT 45 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, PACKAGE-8
文件頁數(shù): 5/43頁
文件大小: 1656K
代理商: PKB4418PIPNB
Ericsson Internal
PRODUCT SPECIFICATION
4 (5)
Prepared (also subject responsible if other)
No.
EGLANDY
2/1301-BMR 636 01/64 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (ALICE SU)
ESECZHW
2008-6-19
A
1.8 V/25 A Typical Characteristics
PKB 4418 PINB
Start-up
Shut-down
Start-up enabled by connecting VI at:
T
ref = +25°C, VI = 53 V,
I
O = 25 A resistive load.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting VI at:
T
ref = +25°C, VI = 53 V,
I
O = 25 A resistive load.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (0.1 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
T
ref = +25°C, VI = 53 V,
I
O = 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:
T
ref =+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
8
.
1
11
.
5
Radj
k
Example: Increase 4% =>V
out = 1.872 Vdc
(
)
×
+
×
22
.
10
4
511
4
225
.
1
4
100
8
.
1
11
.
5
k
= 57.3 k
Output Voltage Adjust Downwards, Decrease:
=
2
%
100
11
.
5
Radj
k
Example: Decrease 20% =>V
out =1.44 Vdc
2
20
100
11
.
5
k
= 15.3 k
E
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
EN/LZT 146 394 R4A Sep 2008
Ericsson Power Modules AB
Technical Specication
13
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