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PSB2121 Просмотр технического описания (PDF) - Siemens AG
Номер в каталоге
Компоненты Описание
производитель
PSB2121
General-Purpose Power Controller (GPPC)
Siemens AG
PSB2121 Datasheet PDF : 13 Pages
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PSB 2121
DC-Characteristics
(cont’d)
Parameter
Limit Values
Symbol min. typ. max. Unit Test Condition
Pulse Width Modulator
Duty cycle
t
d
Under Voltage Detection UV
Start up threshold
V
Threshold hysteresis
H
y
Soft Start
C
SS
Charging current
C
T
Output Driver GA
T
A
= 25 ˚C
H-output voltage
V
OH
L-output voltage
V
OL
Rise time
t
r
Fall time
t
f
Output current
I
O
External Supply
V
EXT
Output voltage
V
O
Output current
I
O
Input voltage
V
I
Z-current
I
Z
Power consumption
P
tot
0
50
%
7
8
9
V
pin UV =
V
S
0.3
V
pin UV =
V
S
2
4
8
µ
A
4.5
V
EXT
V
I
Source
= 5 mA
0.3
0.4
V
I
Sink
= 5 mA
130 200 ns
C
L
= 220 pF;
V
EXT
= 6.3 V
70
200 ns
C
L
= 220 pF;
V
EXT
= 6.3 V
5
mA
5.8
V
2
mA
6.0
7.5 V
2
mA
5
6
mW
V
S
= 40 V
f
OSC
= 20 kHz
V
EXT
= 6.2 to 6.7 V
Semiconductor Group
7
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