L5991A STMicroelectronics, L5991A Datasheet - Page 15

IC CTRLR PRIMARY BCD 16-DIP

L5991A

Manufacturer Part Number
L5991A
Description
IC CTRLR PRIMARY BCD 16-DIP
Manufacturer
STMicroelectronics
Datasheet

Specifications of L5991A

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-DIP (0.300", 7.62mm)
Frequency-max
1MHz
Duty Cycle (max)
93 %
Output Voltage
5.075 V
Output Current
1500 mA
Mounting Style
Through Hole
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
For Use With
497-8226 - BOARD EVAL L5991/STP12NK80Z497-6416 - BOARD EVAL L5991/STP10NK60Z497-5083 - EVAL BOARD 3PH PWR SUPPLY W/ESBT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5722

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APPLICATION IDEAS
Here follows a series of ideas/suggestions aimed at
Figure 33. Typical application circuit for computer monitors (90W).
either improving performance or solving common
application problems of L5991 based supplies.
L5991 - L5991A
15/23

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