Part number:
L4990
Manufacturer:
File Size:
322.28 KB
Description:
Primary controller.
®
L4990 L4990A
PRIMARY CONTROLLER
CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SU.
| Image | Manufacturer | B2B MPN | Description | Distributor | Stock | Quantity | Price | Buy Now |
|---|---|---|---|---|---|---|---|---|
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Gedore Torque Ltd | KL-4990-1103 | PLASTIC STORAGE CASE | DigiKey | 0 | 1 units |
$99.75
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L4990
322.28 KB
Primary controller.
®
L4990 L4990A
PRIMARY CONTROLLER
CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SU.
* as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns (typ) leading edge blanking on current sense, pulse by pulse current limit and overcurrent protection with soft start intervention.
📁 Related Datasheet
L4990A - PRIMARY CONTROLLER
(STMicroelectronics)
®
L4990 L4990A
PRIMARY CONTROLLER
CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SU.
L4992 - TRIPLE OUTPUT POWER SUPPLY CONTROLLER
(STMicroelectronics)
®
L4992
TRIPLE OUTPUT POWER SUPPLY CONTROLLER
DUAL PWM BUCK CONTROLLERS (3.3V and 5.1V) 12V/120mA LINEAR REGULATOR DUAL SYNCH RECTIFIERS DRIVERS 96%.
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(STMicroelectronics)
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Low drop voltage regulator
Features
Max DC supply voltage Max output voltage tolerance Max dropout voltage Output current Quiescent current
1. T.
L4995 - 500mA low drop voltage regulator
(STMicroelectronics)
L4995
5V, 500mA low drop voltage regulator
Datasheet − production data
Features
Max DC supply voltage Max output voltage tolerance Max dropout voltag.
L4901A - DUAL 5V REGULATOR WITH RESET
(STMicroelectronics)
®
L4901A
DUAL 5V REGULATOR WITH RESET
. . . . . . . . . . . .
OUTPUT CURRENTS : I01 = 400mA I 0 2 = 400mA FIXED PRECISION OUTPUT VOLTAGE 5V ± 2% RE.
L4902A - DUAL 5V REGULATOR WITH RESET AND DISABLE
(STMicroelectronics)
®
L4902A
DUAL 5V REGULATOR WITH RESET AND DISABLE
. . . . . . . . . . . . .
DOUBLE BATTERY OPERATING OUTPUT CURRENTS : I01 = 300 mA I02 = 300 mA FI.
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