PKF 4628
TP = –30…+85°C, VI = 38 ... 72V and pin 8 connected to pin 9 unless otherwise specified.
IO1nom =0.6 A, IO2nom =0.9 A.
Output
Output 1
Output 2
typ
Characteristics
Conditions
Unit
min
typ
max
min
3.25
2.80
max
3.29
3.80
Output voltage initial
setting and accuracy
5.20
3.27
V
V
VOi
TP = +25°C, IO1 = 0.6 A,
IO2 = 0.9 A, V = 53V
I
Output adjust range1)
4.43
4.94
5.97
Output voltage
Long term drift
included
IO = 0.1…1.0 × IOmax
5.46
6.54
3.17
3.42
4.29
V
V
tolerance band2)
VO
5.80
25
3.70
25
Idling voltage
IO1 = IO2 = 0A
V = 38…60 V
I
Line regulation
IO = IOnom
mV
mV
V = 50…72 V
I
25
10
IO1 = 0.1…1.0 × IO1nom, IO2 = IO2nom,
Load regulation
50
270
70
270
V = 53V
I
Load transient
recovery time
ttr
150
150
ms
IO1 = 0.1…1.0 × IO1nom,
load step = 0.15A, IO2 = IO2nom,
V = 53V
I
+150
+150
mV
V
tr
Load transient voltage
–250
–1.8
1
–250
–1
mV
mV/°C
ms
Temperature coefficient2)
Ramp-up time
I
O = IOnom, TP = +40…+90ºC
T
coeff
tr
IO = IOnom, 0.1…0.9 × VO, V =53 V
1
I
I
O = 0.1…1.0 × IOnom, V = 53 V
I
ts
Start-up time
3
3
ms
From V connection to VO = 0.9 × VOi
I
IO
Output current
0
0.6
1.0
2.0
0
0.9
1.0
2.8
A
POmax
Max total output power2)
Calculated value
6
W
Current limiting
threshold3)
A
Ilim
Isc
TP <TPmax, VO1 = 4 V, VO2 = 2.5 V
VO = 0.2…0.5V, TA = +25°C
1.9
50
2.4
50
A
Short circuit current
Output ripple & noise
20 Hz…5 MHz
IO = IOnom
100
80
100
80
mVp-p
VOac
SVR
0.6…50 MHz
dBmV
f = 100 Hz sine wave, 1Vp-p V = 53V
(SVR = 20 log (1 Vp-p/VOp-p))
,
I
Supply voltage rejection (ac)
45
45
dB
1) See Operating Information.
2) See Typical Characteristics.
3)
I
lim
on each output is set by the total load.
Miscellaneous
Characteristics
Conditions
typ
80
Unit
min
76
max
VI = 53 V
VI = 67 V
VI = 53 V
VI = 67 V
h
Efficiency
%
76
80
IO = IOnom
1.5
1.9
1.9
W
Pd
Power dissipation
1.5
EN/LZT 146 33 R1A (Replaces EN/LZT 137 09 R7) © Ericsson Microelectronics AB, June 2000
12
ERICSSON [ ERICSSON ]
