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参数资料
| 型号： | PKU4511SI |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, SMD-8 |
| 文件页数： | 6/38页 |
| 文件大小： | 1098K |
| 代理商： | PKU4511SI |
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Ericsson Internal
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other)
No.
EJUNGYA
2/1301-BMR 602 4319/1 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EQUENXU
2008-5-30
F
2.5 V/15 A Electrical Specification
PKU 4319 PI
Tref = -30 to +110C, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 53 V, max IO, unless otherwise specified under Conditions.
An external capacitor of 1 F is used on the input during all measurements.
Characteristics
Conditions
min
typ
max
Unit
VI
Input voltage range
36
75
V
VIoff
Turn-off input voltage
Decreasing input voltage
see Note 1
29
31
33
V
VIon
Turn-on input voltage
Increasing input voltage
see Note 1
32
33
34.5
V
CI
Internal input capacitance
0.5
Μf
PO
Output power
Output voltage initial setting
0
37.5
W
50 % of max IO
88.0
max IO
87.3
50 % of max IO , VI = 48 V
88.7
η
Efficiency
max IO , VI = 48 V
87.6
%
Pd
Power Dissipation
max IO
5.5
8.5
W
Pli
Input idling power
IO = 0 A, VI = 53 V
1.5
W
PRC
Input standby power
VI = 53 V, turned off with RC
0.15
W
fs
Switching frequency
0-100 % of max IO
290
320
350
kHz
VOi
Output voltage initial setting and
accuracy
Tref = +25°C, VI = 53 V, max IO
2.45
2.50
2.55
V
Output adjust range
See operating information
1.90
3.0
V
Output voltage tolerance band
0-100 % of max IO
2.42
2.58
V
Idling voltage
IO = 0 A
2.45
2.55
V
Line regulation
max IO
1
10
mV
VO
Load regulation
VI = 53 V, 0-100 % of max IO
8
15
mV
Vtr
Load transient
voltage deviation
±125
±250
mV
ttr
Load transient recovery time
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/s.
20
40
s
tr
Ramp-up time
(from 1090 % of VOi)
3.5
4
4.5
ms
ts
Start-up time
(from VI connection to 90 % of VOi)
0-100 % of max IO
7
8
9
ms
max IO
0.1
0.2
0.4
ms
tf
VI shut-down fall time
(from VI off to 10 % of VO)
IO = 10 % of max IO
0.9
1.3
1.5
ms
RC start-up time
max IO
6
ms
max IO
1
ms
tRC
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 10 % of max IO
1.5
ms
IO
Output current
0
15
A
Ilim
Current limit threshold
Tref < max Tref
16
18
22
A
Isc
Short circuit current
Tref = 25C, see Note 2
13
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
55
100
mVp-p
OVP
Over voltage protection
Tref = +25°C, VI = 53 V, 0-100 % of
max IO
3.35
V
Note 1: See Operating Instruction, section Turn-off Input Voltage
Note 2: RMS current in hiccup mode, V
O lower than aprox 0.5 V
E
PKU 4000 Series
DC/DC converters, Input 36-75 V, Output 25 A/50 W
EN/LZT 146 308 R4B July 2008
Ericsson Power Modules AB
Technical Specication
14
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