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UC2844A Scheda tecnica(PDF) 10 Page - STMicroelectronics

Il numero della parte UC2844A
Spiegazioni elettronici  HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
PDF  16 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UC2844A Scheda tecnica(HTML) 10 Page - STMicroelectronics

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Figure 23. Error Amplifier Compensation
Figure 24. External Clock Synchronization.
D95IN351
+
-
EA
Ri
+
1mA
Rd
R
2R
5
Cf
Rf
1
2
From VO
2.5V
+
-
EA
RP
+
1mA
Rd
R
2R
5
Cf
Rf
1
2
From VO
2.5V
Error Amp compensation circuit for stabilizing any current-mode topology except
for boost and flyback converters operating with continuous inductor current.
CP
Ri
Error Amp compensation circuit for stabilizing current-mode boost and flyback
topologies operating with continuous inductor current.
D95IN352
+
-
EA
+
R
2R
5
RT
1
2
EXTERNAL
SYNC INPUT
The diode clamp is required if the Sync amplitude is large enough to cause
the bottom side of CT to go more than 300mV below ground
R
BIAS
OSC
CT
0.01
µF
47
Ω
4
8
VREF
R



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