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参数资料
| 型号： | PKD4218LESPBI |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 24 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | SMD-24 |
| 文件页数： | 2/24页 |
| 文件大小： | 811K |
| 代理商： | PKD4218LESPBI |
Ericsson Internal
PRODUCT SPECIFICATION
7 (10)
Prepared (also subject responsible if other)
No.
MICMALE
2/1301-BMR 628 Uen
Approved
Checked
Date
Rev
Reference
MPM/BK/P (Natalie Johansson)
(EANDKUL)
2007-04-24
A
1.5 V/14 A Typical Characteristics
PKD 4218HE SI
Start-up
Shut-down
Start-up enabled by connecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 14 A resistive load.
Top trace: output voltage (0.5 V/div).
Bottom trace: input voltage (20 V/div).
Time scale: 2 ms/div.
Shut-down enabled by disconnecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 14 A resistive load.
Top trace: output voltage (0.5 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 = 14 A resistive load.
Trace: output voltage (20mV/div).
Time scale: 2 s/div.
Output voltage response to load current step-
change (3.5-10.5-3.5 A}) at:
Tref =+25°C, VI = 53 V.
Top trace: output voltage (200mV/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:
Radj= 6 / ((Vout / 1.5) - 1) - 40 k
Example: Increase 4% =>Vout = 1.56 Vdc
6 / ((1.56 / 1.5 ) - 1) — 40 = 110 k
Output Voltage Adjust Downwards, Decrease:
Radj= ((15 x Vout — 9) / (1.5 — Vout )) — 40 k
Example: Decrease 2% =>Vout = 1.47 Vdc
((15 x 1.47 — 9) / (1.5 — 1.47)) — 40 = 395 k
E
PKD 4000E SI series
DC/DC converters, Input 36-75 V, Output up to 20 A/50 W
EN/LZT 146 375 R2B July 2008
Ericsson Power Modules AB
10
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