PKE 4325 PI
TC = 0…+95°C, VI = 38 ...72V unless otherwise specified. IO1 nom = 1.0 A, IO2 nom = 1.0 A.
Output
Output 1
Output 2
typ
Characteristics
Conditions
Unit
min
max
typ
min
max
15.30
15.75
16.01
Output voltage initial
14.88
14.25
14.68
15.00
15.12
15.75
15.49
14.70
14.25
14.16
15.00
V
V
V
setting and accuracy
VOi
TC =+25°C, IO = IOnom, V = 50 V
I
Output adjust range1)
Long term drift
included
Output voltage
tolerance band
IO=0.1…1.0 × IOnom
VO
15.3
210
22.0
240
V
Idling voltage
IO = 25 mA
Line regulation
nom
IO = IO
mV
VI = 38…72 V
IO1 = 0.1…1.0 × IO1nom, IO2 = IO2nom,
V = 50 V
I
Load regulation
180
mV
Load transient
recovery time
ttr
100
ms
IO = 0.1…1.0 × IOnom, V = 50 V
load step = 0.5 × IO1nom, IO2 = IO2nom
I
–120
70
mV
mV
ms
di
£0.1A/ms
V
Load transient voltage
tr
dt
tr
Ramp-up time
Start-up time
15
15
30
0.1…0.9 × VO
IO
=
0.1…1.0 × IOnom
From V connection
I
ts
30
ms
to VO = 0.9 × VOi
IO
Output current
0
1.6
0
1.0
A
Max total output power2)
W
min 30W, max 15W on Out 2
POmax
Current limiting
threshold
3)
min 102 × POmax
%
Ilim
TC <TCmax
Short curcuit current1)
Output ripple
A
Isc
VOac
I
O = IOnom
20 Hz…5 MHz
90
140
90
140
mVp-p
f = 100 Hz sine wave, 1Vp-p, V = 50 V
Supply voltage
rejection (ac)
I
SVR
43
43
dB
(SVR = 20 log (1 Vp-p/VOp-p))
1) See Operating Information.
2) See Typical Characteristics, Power derating.
3)
I
on each output is set by the total load.
lim
Miscellaneous
Characteristics
Conditions
typ
Unit
min
max
h
Efficiency
nom
, V = 50 V, TC = +25°C
I
83
89
%
W
I
O = IO
Pd
Power dissipation
IO = IOnom, V = 50 V, TC = +25°C
3.7
6.1
I
EN/LZT 146 26 R1A (Replaces EN/LZT 137 31 R1) © Ericsson Microelectronics AB, June 2000
9
ERICSSON [ ERICSSON ]
