L5993 STMicroelectronics, L5993 Datasheet - Page 17

• Manufacturer Part Number: L5993
• Description: Switching Converters, Regulators & Controllers Prog Current Mode
• Manufacturer: STMicroelectronics

Specifications of L5993

• Mounting Style: Through Hole
• Package / Case: PDIP-16
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 35. Typical E/A compensation networks.
Figure 36. Feedback with optocoupler
Figure 37. Slope compensation techniques
I
R
SENSE
R
SLOPE
OPTIONAL
R
C
ISEN
V
RCT
C
T
T
Error Amp compensation circuit for stabilizing any current-mode topology except
for boost and flyback converters operating with continuous inductor current.
Error Amp compensation circuit for stabilizing current-mode boost and flyback
topologies operating with continuous inductor current.
REF
R
P
From V
P
From V
4
2
13
O
R
L5993
12
R
i
R
R
L5993
O
d
d
i
SGND
C
f
C
5
f
VFB
I
6
COMP
COMP
VFB
VFB
R
COMP
R
R
SENSE
f
f
R
SLOPE
5
6
5
6
2.5V
2.5V
R
T
OPTIONAL
+
+
-
-
EA
EA
C
ISEN
V
RCT
T
REF
+
+
D97IN772
TL431
4
2
13
1.3mA
1.3mA
L5993
12
SGND
2R
2R
12
12
D97IN773A
R
R
SGND
SGND
SGND
V
OUT
L5993
12
10
13
D97IN507
OPTIONAL
OUT
ISEN
R
R
R
SLOPE
C
R
SENSE
SLOPE
L5993
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