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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： | 19/38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.
EQUENXU
2/1301-BMR 602 4515/1 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EJUNGYA
2008-06-26
PC1
15 V/3.3 A Electrical Specification
PKU 4515 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
27
28
29
V
VIon
Turn-on input voltage
Increasing input voltage
See Note 1
32
33
33.5
V
CI
Internal input capacitance
0.5
F
PO
Output power
Output voltage initial setting
0
49.5
W
50 % of max IO
89.5
max IO
88.7
50 % of max IO , VI = 48 V
89.9
η
Efficiency
max IO, VI = 48 V
88.8
%
Pd
Power Dissipation
max IO
6.3
9.5
W
Pli
Input idling power
IO = 0 A
1.8
W
PRC
Input standby power
(turned off with RC)
0.14
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
14.70
15.00
15.30
V
Output adjust range
See operating information
12.00
16.50
V
Output voltage tolerance band
0-100 % of max IO
14.55
15.45
V
Idling voltage
IO = 0 A
14.55
15.45
V
Line regulation
max IO
60
130
mV
VO
Load regulation
VI = 53 V, 0-100 % of max IO
12
50
mV
Vtr
Load transient
voltage deviation
±400
±800
mV
ttr
Load transient recovery time
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/s,
See note 3
30
60
s
tr
Ramp-up time
(from 1090 % of VOi)
3
6
9
ms
ts
Start-up time
(from VI connection to 90 % of VOi)
0-100 % of max IO
8
12
16
ms
max IO
0.2
0.4
0.8
ms
tf
VI shut-down fall time
(from VI off to 10 % of VO)
IO = 10 % of max IO
2.5
3
3.5
ms
RC start-up time
max IO
10
ms
max IO
0.25
ms
tRC
RC shut-down fall time
(from RC off to 10 % of VO)
IO = 10 % of max IO
1.2
ms
IO
Output current
0
3.3
A
Ilim
Current limit threshold
Tref < max Tref
3.6
4.3
5
A
Isc
Short circuit current
See Note 2
3.0
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
65
130
mVp-p
OVP
Over voltage protection
0-100 % of max IO
19
V
Note 1: See Operating information section Turn-off Input Voltage.
Note 2: RMS current in hiccup mode, V
O lower than aprox 0.5 V.
Note 3: Measured with 100 F tantalum (ESR aprox 80 m) on the output
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
26
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