E-L5991AD13TR STMicroelectronics, E-L5991AD13TR Datasheet - Page 18

• Manufacturer Part Number: E-L5991AD13TR
• Description: Current Mode PWM Controllers Prog Current Mode
• Manufacturer: STMicroelectronics

Specifications of E-L5991AD13TR

• Number Of Outputs: 1
• Duty Cycle (max): 93 %
• Output Voltage: 5.075 V
• Output Current: 1500 mA
• Mounting Style: SMD/SMT
• Package / Case: SO-16
• Switching Frequency: 1000 KHz
• Operating Supply Voltage: 12 V to 20 V
• Maximum Operating Temperature: + 150 C
• Fall Time: 35 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 70 ns
• Synchronous Pin: Yes
• Topology: Boost, Flyback
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L5991 - L5991A
Figure 39. Typical E/A compensation networks.
Figure 40. Feedback with optocoupler.
Figure 41. Slope compensation techniques.
I
18/23
R
SENSE
R
SLOPE
R
B
OPTIONAL
ST-BY
R
C
ISEN
V
RCT
C
A
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
16
4
2
13
O
R
L5991
12
R
i
R
R
O
d
d
i
SGND
L5991
C
f
C
f
5
I
VFB
R
6
COMP
COMP
SENSE
VFB
VFB
R
R
R
SLOPE
COMP
f
f
5
6
5
6
R
2.5V
2.5V
B
OPTIONAL
+
+
-
-
EA
EA
ST-BY
R
C
ISEN
V
RCT
A
T
REF
+
+
D97IN759
TL431
16
4
2
13
1.3mA
1.3mA
L5991
12
SGND
2R
2R
12
12
D97IN760A
R
R
SGND
V
OUT
SGND
SGND
L5991
12
10
13
D97IN507
OPTIONAL
OUT
ISEN
R
R
SLOPE
C
R
SLOPE
SENSE