参数资料
型号: PKR4910API
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 9.9 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT PACKAGE-18
文件页数: 26/30页
文件大小: 1444K
代理商: PKR4910API
Ericsson Internal
PRODUCT SPECIFICATION
2 (17)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1411+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-27
F
3.3V, 3A / 9.9W Electrical Specification
PKR 4910A SI
Tref = -30 to +95C, VI = 36 to 75 V, pin 8 connected to pin 9 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
34.8
36
V
CI
Internal input capacitance
2
μ
F
PO
Output power
Output voltage initial setting
0
9.9
W
SVR
Supply voltage rejection (ac)
f = 100 Hz sinewave, 1 Vp-p
79
dB
50 % of max IO
79.0
max IO
80.0
50 % of max IO, VI = 48 V
80.0
η
Efficiency
max IO, VI = 48 V
80.0
%
Pd
Power Dissipation
max IO
2.4
2.7
W
Pli
Input idling power
IO = 0 A, VI = 53 V
217
mW
PRC
Input standby power
VI = 53 V (turned off with RC)
55
mW
fs
Switching frequency
0-100 % of max IO
477
510
533
kHz
VOi
Output voltage initial setting and
accuracy
3.27
3.30
3.33
V
Output adjust range
Tref = +25°C, VI = 53 V, IO = 2.0 A
1.75
4.08
V
Output voltage tolerance band
10-100 % of max IO
3.13
3.43
V
Idling voltage
IO = 0 A
3.50
4.0
V
Line regulation
max IO
13
20
mV
VO
Load regulation
VI = 53 V, 0-100 % of max IO
86
170
mV
Vtr
Load transient
voltage deviation
±260
mV
ttr
Load transient recovery time
VI = 53 V, Load step 25-75-25 % of max IO,
di/dt = 1 A/μs
30
s
tr
Ramp-up time
(from 1090 % of VOi)
0.2
1.8
5
ms
ts
Start-up time
(from VI connection to 90 % of VOi)
10-100 % of max IO
1
5
15
ms
IO
Output current
0
3
A
Ilim
Current limit threshold
VO = 3.0V, Tref < max Tref
3.2
3.5
4
A
Isc
Short circuit current
Tref = 25C, See Operating Information
section
4.1
5.0
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
6
50
mVp-p
E
PKR 4000A PI
DC/DC Converters, Input 36-75 V, 3 A / 15 W
EN/LZT 146 300 R5F April 2009
Ericsson AB
Technical Specication
5
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