E-L5991D STMicroelectronics, E-L5991D Datasheet - Page 17

• Manufacturer Part Number: E-L5991D
• Description: Current Mode PWM Controllers Prog Current Mode
• Manufacturer: STMicroelectronics

Specifications of E-L5991D

• 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

Figure 35. Standby thresholds adjustment.
Figure 36. Isolated MOSFET Drive & Current Transformer Sensing in 2-switch Topologies.
Figure 37. Low consumption start-up.
Figure 38. Bipolar transistor driver.
PGND
20V
L5991
12
11
SGND
9
2.2M
V
C
47K
D97IN762B
10
13
L5991
SGND
V
8
REF
D97IN751A
OUT
ISEN
V
CC
VREF
12
4
12
4
L5991
V
L5991
V
9
11
PGND
8
IN
C
R
STD1NB50-1
A
V
10
13
11
33K
CC
13
OUT
ISEN
BOUNDARY
ISOLATION
D97IN763
ISEN
10
OPTIONAL
R
D97IN761
V
T
IN
R
SELF-SUPPLY
SENSE
WINDING
V
IN
L5991 - L5991A
17/23