E-L5991AD STMicroelectronics, E-L5991AD Datasheet - Page 20

• Manufacturer Part Number: E-L5991AD
• Description: IC CTRLR PRIMARY W/STDBY 16-SOIC
• Manufacturer: STMicroelectronics

Specifications of E-L5991AD

• Mfg Application Notes: 25W Off-Line Battery Charger with L5991A AppNote 300W Forward Converter with L5991A AppNote 45W AC-DC Adapter with Standby AppNote 60W Power Supply using the L5991 AppNote 80W Adapter using L6561/L5991A AppNote 90W SMPS for Monitors with Standby AppNote Trick Enhances L5991s Standby Function AppNote L5991-Based Converter, Temp Extra Power AppNote Auxiliary Power Supply Design AppNote Minimize Power Losses AppNote
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 93%
• Voltage - Supply: 8.2 V ~ 20 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 105°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Duty Cycle (max): 93 %
• Output Voltage: 5.075 V
• Output Current: 1500 mA
• Mounting Style: SMD/SMT
• 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
• Other names: 497-5288-5

L5991 - L5991A
Figure 47. Device shutdown on mains undervoltage.
Figure 48. Synchronization to flyback pulses (for monitors).
20/23
80÷400V
V
IN
DC
5.1
1K
5.1V
R1
R2
SYNC
10K
4.7K
VREF
D97IN750B
1
SGND
SGND
L5991
4
3
12
12
L5991
PGND
D97IN753A
11