LM2611AMF/NOPB

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Details for Texas Instruments

LM2611AMF/NOPB

1.4MHz Cuk Converter
Buy Directly from Texas Instruments (7197 in Stock)
$1.3800 per unit
Series Information for LM2611AMF/NOPB - Texas Instruments

Features

  • feature
    1-mVp-p Output Ripple
  • feature
    1.4-MHz Switching Frequency
  • feature
    5-Pin SOT-23 Package
  • feature
    Better Regulation Than a Charge Pump
  • feature
    Low RDS(ON) DMOS FET
  • feature
    Low Shutdown Current: <1 u00b5A
  • feature
    Uses Tiny Capacitors and Inductors
  • feature
    Wide Input Range: 2.7 V to 14 V
  • feature
    u22125 V at 300 mA From 5-V Input

Description

IC PWM INVERTING 1.4MHZ SOT23-5
The LM2611 is a current mode, PWM inverting switching regulator. Operating from a 2.7-V to 4-V supply, it is capable of producing a regulated negative output voltage of up to −(36 VIN(MAX)). The LM2611 utilizes an input and output inductor, which enables low voltage ripple and RMS current on both the input and the output. With a switching frequency of 1.4 MHz, the inductors and output capacitor can be physically small and low cost. High efficiency is achieved through the use of a low RDS(ON) FET. The LM2611 features a shutdown pin, which can be activated when the part is not needed to lower the Iq and save battery life. A negative feedback (NFB) pin provides a simple method of setting the output voltage, using just two resistors. Cycle-by-cycle current limiting and internal compensation further simplify the use of the LM2611. The LM2611 is available as a small 5-pin, SOT-23 package and comes in two grades. Grade A has a 1.2-A current limit and 0.5-Ω RDS(ON), and Grade B has a 0.9-A current limit and 0.7-Ω RDS(ON).

Specifications

Topology:
Inverting
Input Voltage Min:
2.7V
Input Voltage Max:
14V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOT-23
No. of Pins:
5Pins
Output Current:
1.2A
Output Voltage Min:
-1.23V
Output Voltage Max:
-
Switching Frequency:
1.4MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Max:
-22V
Adjustable Output Voltage Min:
-1.23V
Base Number:
2611
Frequency:
1.8MHz
IC Generic Number:
2611
Logic Function Number:
2611
On Resistance Rds(on):
0.5ohm
Operating Frequency:
1.4MHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
1A
Output Voltage:
-5V
Power Supply IC Type:
Voltage converter
Primary Input Voltage:
5V
Supply Voltage Max:
14V
Supply Voltage Min:
2.7V
Switch Output Current Isw Max:
1.2A
Voltage Regulator Type:
Fixed

Alternate Descriptions

Avnet America

Conv DC-DC Single Inv/Step Down 2.7V to 14V 5-Pin SOT-23 T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Inv/Step Down 2.7V to 14V 5-Pin SOT-23 T/R

Avnet Europe product

Texas Instruments

1.4MHz Cuk Converter

Texas Instruments product