参数资料
型号: PKR4128BPI
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT PACKAGE-18
文件页数: 23/27页
文件大小: 743K
代理商: PKR4128BPI
Ericsson Internal
PRODUCT SPECIFICATION
2 (14)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1421+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-24
F
1.8V, 5A / 9W Electrical Specification
PKR 4918B SI
Tref = -30 to +95C, VI = 36 to 75 V, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 53 VI max IO, unless otherwise specified under Conditions.
Characteristics
Conditions
min
typ
max
Unit
VI
Input voltage range
36
75
V
VIoff
Turn-off input voltage
Decreasing input voltage
30
33.5
35
V
VIon
Turn-on input voltage
Increasing input voltage
32
34.5
36
V
CI
Internal input capacitance
2
μF
PO
Output power
Output voltage initial setting
0
9
W
SVR
Supply voltage rejection (ac)
f = 100 Hz sinewave, 1 Vp-p
65
dB
50 % of max IO
82.0
max IO
81.0
50 % of max IO, VI = 48 V
83.0
η
Efficiency
max IO, VI = 48 V
81.0
%
Pd
Power Dissipation
max IO
2.2
2.9
W
Pli
Input idling power
IO = 0 A, VI = 53 V
470
mW
PRC
Input standby power
VI = 53 V (turned off with RC)
43
mW
fs
Switching frequency
0-100 % of max IO
290
305
325
kHz
VOi
Output voltage initial setting and
accuracy
1.77
1.8
1.84
V
Output adjust range
Tref = +25°C, VI = 53 V, max IO
1.5
2.2
V
Output voltage tolerance band
10-100 % of max IO
1.71
1.89
V
Idling voltage
IO = 0 A
1.69
1.91
V
Line regulation
max IO
15
60
mV
VO
Load regulation
VI = 53 V, 0-100 % of max IO
20
100
mV
Vtr
Load transient
voltage deviation
±250
mV
ttr
Load transient recovery time
VI = 53 V, Load step 25-75-25 % of
max IO, di/dt = 1 A/μs
100
μs
tr
Ramp-up time
(from 1090 % of VOi)
1
1.8
3
ms
ts
Start-up time
(from VI connection to 90 % of VOi)
10-100 % of max IO
3
5
11
ms
IO
Output current
0
5
A
Ilim
Current limit threshold
VO = 1.5V, Tref < max Tref
5.2
6.1
6.4
A
Isc
Short circuit current
Tref = 25C, See Operating
Information section
6.2
7.0
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
10
30
mVp-p
E
PKR 4000B series
DC/DC converters, Input 36-75 V, Output up to 5 A/15 W
EN/LZT 146 301 R6D September 2007
Ericsson Power Modules AB
Technical Specication
5
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