参数资料
型号: PKB4711SINB
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT, EIGHTH BRICK PACKAGE-8
文件页数: 2/46页
文件大小: 1643K
代理商: PKB4711SINB
Ericsson Internal
PRODUCT SPECIFICATION
4 (5)
Prepared (also subject responsible if other)
No.
EZYPING
2/1301-BMR 636 01/74 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Betty Wu)
ESECZHW
2009-2-9
B
1.2V/30 A Typical Characteristics
PKB 4318 PIOBNB
Start-up
Shut-down
Start-up enabled by connecting V
I at:
T
ref = +25°C, VI = 53 V,
I
O = 30 A resistive load.
Top trace: output voltage (0.5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting V
I at:
T
ref = +25°C, VI = 53 V,
I
O = 30 A resistive load.
Top trace: output voltage (0.5 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 = 30 A resistive load.
Trace: output voltage (20 mV/div.).
Time scale: (2 μs/div.).
Output voltage response to load current step-
change (5.5-17.5-5.5 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:
()
5.11 1.2 100
%
511
10.22 k
0.6
%
Radj
×+ Δ
=
Ω
×Δ
Δ
Output Voltage Adjust Downwards, Decrease:
100
5.11
2 k
%
Radj
Ω
Δ
Example: Increase 4% =>V
out = 1.25 Vdc
(
)
5.11 1.2 100 4
511
10.22 k = 127.7 k
0.6 4
4
×+
Ω
×
Decrease 4% =>V
out = 1.15 Vdc
100
5.11
2 k
117.5k
4
×
Ω =
Ω
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
10
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