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參數(shù)資料
| 型號(hào)： | PKB4918HCPILT |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, EIGHTH BRICK PACKAGE-8 |
| 文件頁(yè)數(shù)： | 8/33頁(yè) |
| 文件大?。?/td> | 2234K |
| 代理商： | PKB4918HCPILT |
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Ericsson Internal
PRODUCT SPECIFICATION
13 (20)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 655 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EYINGJI
2008-6-20
E
3.3 V/40 A Typical Characteristics
PKB 4110C PI
Start-up
Shut-down
Start-up enabled by connecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 40 A resistive load.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (25 V/div.).
Time scale: (5 ms/div.).
Shut-down enabled by disconnecting V
I at:
Tref = +25°C, VI = 53 V,
IO = 40 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:
Tref = +25°C, VI = 53 V,
IO = 40 A resistive load.
Trace: output voltage (20mV/div.).
Time scale: (2 s/div.).
Output voltage response to load current step-
change (10-30-10 A) at:
Tref =+25°C, VI = 53 V.
Top trace: output voltage (200mV/div.).
Bottom trace: load current (20 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:
(
) (
)
×
+
×
+
×
=
%
2
100
%
225
.
1
%
100
3
.
3
11
.
5
Radj
k
Example: Increase 4% =>Vout = 3.43 Vdc
() ()
×
+
×
+
×
4
2
100
4
225
.
1
4
100
3
.
3
11
.
5
k = 220 k
Output Voltage Adjust Downwards, Decrease:
×
=
2
%
100
11
.
5
Radj
k
Example: Decrease 2% =>Vout = 3.23 Vdc
×
2
100
11
.
5
k = 245 k
E
PKB4000C PI
DC/DC Converters, Input 36-75 V, Output 60 A/144 W
EN/LZT 146 377 R3F
Jun 2008
Ericsson Power Modules AB
Technical Specification
16
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