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LM2611AMFX/NOPB TI Chips LM2611 1.4-MHz Cuk Converter −5 V at 300 mA From 5-V Input

LM2611AMFX/NOPB TI Chips LM2611 1.4-MHz Cuk Converter −5 V at 300 mA From 5-V Input

Brand Name: TI Chips
Model Number: LM2611AMFX/NOPB
MOQ: 3000
Packaging Details: 3000PCS/reel
Payment Terms: T/T
Detail Information
Place of Origin:
China
Document:
Model:
LM2611AMFX/NOPB
Product Name:
TI Chips
Type:
SMD/SMT
Output Voltage:
- 36 V To - 1.23 V
Output Current:
1.2 A
Switching Frequency:
1.4 MHz
Supply Ability:
1000000
Highlight:

LM2611AMFX/NOPB

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LM2611 TI Chips

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1.4MHz Cuk Converter

Product Description

TI Chips LM2611AMFX/NOPB LM2611 1.4-MHz Cuk Converter −5 V at 300 mA From 5-V Input



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

Applications

MR Head Bias
Digital Camera CCD Bias
LCD Bias
GaAs FET Bias
Positive to Negative Conversion


Description
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).]

LM2611AMFX/NOPB TI Chips LM2611 1.4-MHz Cuk Converter −5 V at 300 mA From 5-V Input

LM2611AMFX/NOPB TI Chips LM2611 1.4-MHz Cuk Converter −5 V at 300 mA From 5-V Input