catalogue search
P. 01
P. 02
P. 03
P. 04
P. 05
P. 06
P. 07
P. 08
P. 09
P. 10
P. 11
P. 12
P. 13
P. 14
P. 15
P. 16
P. 17
P. 18
P. 19
P. 20
P. 21
P. 22
P. 23
P. 24
P. 25
P. 26
P. 27
P. 28
P. 29
P. 30
P. 31
P. 32
P. 33
P. 34
P. 35
P. 36
P. 37
P. 38
P. 39
P. 40
P. 41
P. 42
P. 43
P. 44
P. 45
P. 46
P. 47
P. 48
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
You may also be interested in
Decoder, Integrated circuit, Temperature switch, DC drive, LED
Text version of the page
Lossless I Clock SyncTotal # of RegulatorsOther Features/CommentsTemp Range (°C)Packaging
SENSE ——1Hysteretic threshold at 36% or 12% (A version) of programmed current limit; V
OUT OVP-40 to 125MSOP-8 —1Selectable pulse-skip mode for high light load efficiency -5 to 125TSSOP-20 —1User-selectable FPWM and SKIP modes, positive and negative current limit, UVLO, OVP-40 to 125TSSOP-20 —1No compensation required. Current limit; P-FET controller-40 to 125MSOP-8 —1No compensation required. Current limit; P-FET controller; enable pin; power saving shut down mode-40 to 125MSOP-8— 1FB and NFB pins; 1.0V internal V
REF . For industrial temp range, use LM2578A-40 to 125SOIC-8, DIP-8, D, W 1Voltage mode/current injection simpifies loop compensation-40 to 125TSSOP-16, LLP-16 142V version of LM5115-40 to 125TSSOP-16, LLP-16 —3180 out-of-phase; 5-bit digital control for one channel; linear reg controller-40 to 125TSSOP-48— 3Individual soft-start allows sequencing; 5V, 50 mA linear output, FPWM0 to 125TSSOP-28— 3Individual soft-start allows sequencing; 5V, 50 mA linear output, FPWM0 to 125TSSOP-28 —2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28 —2180 out-of-phase channels; ddj linear reg controller and 3.3V output rail0 to 125TSSOP-48 —2PWM/SKIP and FPWM modes; soft shutdown, line feedforward, 180 out-of-phase -5 to 125TSSOP-28, LLP-28 —2Same as LM2647 with lower V
IN and auto-recover from faults-40 to 125TSSOP-28 2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28 2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28
FBGND7V to 28V3.3V to o.5A IN ENPGND
SENSE ——1Hysteretic threshold at 36% or 12% (A version) of programmed current limit; V
OUT OVP-40 to 125MSOP-8 —1Selectable pulse-skip mode for high light load efficiency -5 to 125TSSOP-20 —1User-selectable FPWM and SKIP modes, positive and negative current limit, UVLO, OVP-40 to 125TSSOP-20 —1No compensation required. Current limit; P-FET controller-40 to 125MSOP-8 —1No compensation required. Current limit; P-FET controller; enable pin; power saving shut down mode-40 to 125MSOP-8— 1FB and NFB pins; 1.0V internal V
REF . For industrial temp range, use LM2578A-40 to 125SOIC-8, DIP-8, D, W 1Voltage mode/current injection simpifies loop compensation-40 to 125TSSOP-16, LLP-16 142V version of LM5115-40 to 125TSSOP-16, LLP-16 —3180 out-of-phase; 5-bit digital control for one channel; linear reg controller-40 to 125TSSOP-48— 3Individual soft-start allows sequencing; 5V, 50 mA linear output, FPWM0 to 125TSSOP-28— 3Individual soft-start allows sequencing; 5V, 50 mA linear output, FPWM0 to 125TSSOP-28 —2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28 —2180 out-of-phase channels; ddj linear reg controller and 3.3V output rail0 to 125TSSOP-48 —2PWM/SKIP and FPWM modes; soft shutdown, line feedforward, 180 out-of-phase -5 to 125TSSOP-28, LLP-28 —2Same as LM2647 with lower V
IN and auto-recover from faults-40 to 125TSSOP-28 2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28 2180 out-of-phase channels; individual soft-start allows sequencing-40 to 125TSSOP-28
Power Products - 21346 LM3489 Hysteretic PFET Buck Control with Enable Pin
Features
• Easy-to-use control methodology• No control loop compensation required • Wide 4.5V to 35V input range • 1.239V to V High Efficiency, Robust, Power Supply
V IN ADJ R ADJ Q1 CIN2D1LR1R2R V OUT INadjustable output range• 93% efficiency
IS +C PGATEADJV I SENSE ff +C C IN1 C OUT LM3489FBGND7V to 28V3.3V to o.5A IN ENPGND