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Компоненты Описание
MC33341PG Просмотр технического описания (PDF) - ON Semiconductor
Номер в каталоге
Компоненты Описание
производитель
MC33341PG
Power Supply Battery Charger Regulation Control Circuit
ON Semiconductor
MC33341PG Datasheet PDF : 19 Pages
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Source
MC33341
R
S
Load
R3
R2
Opto
Isolator
Current
Control
Source
Return
8
7
6
5
V
CC
V
CC
V
CC
V
CC
1.2 V
Differential Amp
Disable Logic
0.4 V
1.2 V
V
CC
Differential Amp
R
R
RR
R
R
V
CC
V
CC
Inverting Amp
V
sen
Transconductance
V
th
V
Amp
I
sen
I
th
I
V
CC
Reference
0.2 V 0.4 V 1.2 V
V
CC
0.2 V
1
2
3
4
Comp
R1
Battery or
Resistive
Load
Load
The above figure shows the MC33341 configured for source high−side current sensing with an externally adjustable current threshold.
Operation of this circuit is similar to that of Figure 14. The current regulation threshold can be adjusted over a range of 0 V to 200 mV with
respect to Pin 4.
ǒ Ǔ
Vreg
+
Vth(V)
R2
R1
)
1
ǒ Ǔ
+
1.2
R2
R1
)
1
Ireg
+
Vth(Pin
RS
2)
ǒ Ǔ
Ipk RS – 0.6
R3
+
0.02
Figure 15. Source High−Side Current Sensing with
Externally Adjustable Current and Internally Fixed Voltage Thresholds
http://onsemi.com
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