PKE 4323 PI
TC = 0…+95°C, VI = 38 ...72V unless otherwise specified. IO1 nom = 1.25 A, IO2 nom = 1.25 A.
Output
Output 1
Output 2
typ
Characteristics
Conditions
Unit
min
max
typ
min
max
12.20
12.60
12.85
Output voltage initial
11.90
11.40
11.74
12.00
12.10
12.60
12.41
11.80
11.40
11.31
12.00
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
12.5
170
16.4
190
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
Load regulation
140
mV
I
Load transient
recovery time
ttr
100
ms
I
O = 0.1…1.0 × IOnom, V = 50 V
I
load step = 0.5 × IO1nom, IO2 = IO2nom
–130
80
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
2
0
1.25
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
O = IOnom, V = 50 V, TC = +25°C
typ
Unit
min
max
h
Efficiency
83
87
%
W
I
I
Pd
Power dissipation
IO = IOnom, V = 50 V, TC = +25°C
4.9
6.1
I
EN/LZT 146 26 R1A (Replaces EN/LZT 137 31 R1) © Ericsson Microelectronics AB, June 2000
8
ERICSSON [ ERICSSON ]
