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参数资料
| 型号： | PKB4111APILB |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 137.5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-7 |
| 文件页数： | 3/21页 |
| 文件大小： | 1285K |
| 代理商： | PKB4111APILB |
Ericsson Internal
PRODUCT SPECIFICATION
8 (10)
Prepared (also subject responsible if other)
No.
EAB/FJB/GMF Oscar Persson
2/1301 BMR 662 Uen
Approved
Checked
Date
Rev
Reference
EAB/FJB/GMF [Natalie Johansson]
(MICRF)
2010-05-04
B
5.0V, 25A /125W Typical Characteristics
PKB 4111A PI
Start-up
Shut-down
Start-up enabled by connecting VI at:
TP1 = +25°C, VI = 53 V,
IO = 25 A resistive load.
Top trace: input voltage (20 V/div.).
Bottom trace: output voltage (2 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting VI at:
TP1 = +25°C, VI = 53 V,
IO = 25A resistive load.
Top trace: input voltage (20 V/div.).
Bottom trace: output voltage (2 V/div.).
Time scale: (5 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
TP1 = +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:
TP1 = +25°C, VI = 53V.
Top trace: output voltage (100 mV/div.).
Bottom trace: load current (10 A/div.).
Time scale: (0.2 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:
()
×
+
×
=
2
.
10
%
510
%
225
.
1
%
100
00
.
5
10
.
5
Radj
k
Example: Increase 4% =>Vout = 5.2 Vdc
()
×
+
×
2
.
10
4
510
4
225
.
1
4
100
00
.
5
10
.
5
k
= 404 k
Output Voltage Adjust Downwards, Decrease:
100
5.11
2 k
%
Radj
=×
Active adjust
The output voltage may be adjusted using a {current/voltage} applied
to the Vadj pin. This {current/voltage} is calculated by using the
following equations:
×
+
=
00
.
5
00
.
5
45
.
2
225
.
1
Vdesired
Vadj
V
Example: Upwards => 5.30 V
×
+
00
.
5
00
.
5
30
.
5
45
.
2
225
.
1
V = 1.37 V
E
PKB 4000A series
Direct Converters
Input 38-72 V, Output up to 30 A / 125 W
EN/LZT 146 420 R2A May 2010
Ericsson AB
Technical Specication
11
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