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L6995

Features: ` CONSTANT ON TIME TOPOLOGY ALLOWS OPERATION WITH LOWER DUTY THAN PWM TOPOLOGY` VERY FAST LOAD TRANSIENTS` 5V Vcc SUPPLY` 1.5V TO 28V INPUT VOLTAGE RANGE` 0.9V ±1% VREF` MINIMUM OUTPUT VOLTAGE AS LOW AS 0.9V` SELECTABLE SINKING MODE` LOSSLESS CURRENT LIMIT` REMOTE SENSING` OVP,UVP LATCHE...

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SeekIC No. : 004389323 Detail

L6995: Features: ` CONSTANT ON TIME TOPOLOGY ALLOWS OPERATION WITH LOWER DUTY THAN PWM TOPOLOGY` VERY FAST LOAD TRANSIENTS` 5V Vcc SUPPLY` 1.5V TO 28V INPUT VOLTAGE RANGE` 0.9V ±1% VREF` MINIMUM OUTPUT VOL...

L6995 Data Sheet

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Part Number:
L6995
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/5/17

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Product Details

Description



Features:

` CONSTANT ON TIME TOPOLOGY ALLOWS OPERATION WITH LOWER DUTY THAN PWM TOPOLOGY
` VERY FAST LOAD TRANSIENTS
` 5V Vcc SUPPLY
` 1.5V TO 28V INPUT VOLTAGE RANGE
` 0.9V ±1% VREF
` MINIMUM OUTPUT VOLTAGE AS LOW AS 0.9V
` SELECTABLE SINKING MODE
` LOSSLESS CURRENT LIMIT
` REMOTE SENSING
` OVP,UVP LATCHED PROTECTIONS
` 600A TYP QUIESCENT CURRENT
` POWER GOOD AND OVP SIGNALS
` PULSE SKIPPING AT LIGHT LOADS


Application

· I/O BUS FOR CPU CORE SUPPLY
· NOTEBOOK COMPUTERS
· NETWORKING DC-DC
· DISTRIBUTED POWER


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VCC VCC to GND -0.3 to 6 V
VDR VDR to GND -0.3 to 6 V
  HGATE and BOOT, to PHASE -0.3 to 6 V
  HGATE and BOOT, to PGND -0.3 to 36 V
VPHASE PHASE -0.3-to 30 V
  LGATE to PGND 0.3 to VDR+0.3 V
  ILIM, VFB, VSENSE, NOSKIP, SHDN, PGOOD, OVP, VREF, INT,
GNDSENSE to GND		 -0.3 to VCC+0.3 V
Ptot Power dissipation at Tamb = 25°C 1 W
Tstg Storage temperature range -40 to 150 °C



Description

L6995 is a step-down controller specifically designed to provide extremely high efficiency conversion, with losses current sensing tecnique.

The "constant on-time" topology assures fast load transient response. The embedded "voltage feed-forward" provides nearly constant switching frequency operation.

An integrator of the L6995 can be introduced in the control loop to reduce the static output voltage error.

The available remote sensing improve the static and dynamic regulation recovering the wires voltage drop. Pulse skipping technique reduces power consumption at light load. Drivers current capability allows output current in excess of 20A.




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