STEVAL-IPB001V1 STMicroelectronics, STEVAL-IPB001V1 Datasheet - Page 11

• Manufacturer Part Number: STEVAL-IPB001V1
• Description: EVAL BOARD 2W 3PH SMPS BRKR ESBT
• Manufacturer: STMicroelectronics
• Type: Other Power Managementr

Specifications of STEVAL-IPB001V1

• Design Resources: STEVAL-IPB001V1 Gerber Files STEVAL-IPB001V1 Schematic STEVAL-IPB001V1 Bill of Materials
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 2W
• Voltage - Output: 24V
• Current - Output: 83mA
• Voltage - Input: 110 ~ 760 VAC
• Regulator Topology: Flyback
• Frequency - Switching: 50kHz
• Board Type: Fully Populated
• Utilized Ic / Part: UC3845B
• Input Voltage: 150 V to 1200 V
• Output Voltage: 24 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: UC3845B, STC04IE170
• Other names: 497-5863

Figure 22: External Clock Synchronization.
Figure 23: External Duty Cycle Clamp and Multi Unit Synchronization.
f =
R
R
C
(R
A
B
A
V
1.44
+ 2R
REF
SYNC INPUT
EXTERNAL
The diode clamp is required if the Sync amplitude is large enough to cause
the bottom side of C
B
)C
6
5
2
5K
5K
5K
D
max
8
1
=
0.01 F
+
+
-
-
R
A
R
+ 2R
B
T
to go more than 300mV below ground
NE555
B
R
S
Q
4
47
R
C
T
T
V
REF
8
4
2
1
3
7
+
-
UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
EA
+
R
R
8
4
2
1
+
-
BIAS
OSC
EA
TO ADDITIONAL
2R
UCX84XAs
R
+
R
R
5
BIAS
OSC
D95IN352
D95IN353
2R
R
5
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