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Details for LM27761DSGR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC-DC CHARGE PUMP INVERTING WSON-8
LM27761DSGR image

LM27761DSGR by Texas Instruments

DC-DC CHARGE PUMP INVERTING WSON-8
Features
2-MHz (Typical) Low-Noise Fixed-Frequency Operation
2.5-u2126 Inverter Output Impedance, VIN = 5 V
30-mV LDO Dropout Voltage at 100 mA, VOUT = u20135 V
35-dB (Typical) LDO PSRR at 2 MHz With 80-mA Load Current
370-u00b5A Quiescent Current
Create a Custom Design Using the LM27761 With
Current Limit and Thermal Protection
Inverts and Regulates the Input Supply Voltage
Low Output Ripple
Shutdown Lowers Quiescent Current to 7 u00b5A (Typical)
Up to 250-mA Output Current
u00b14% Regulation at Peak Load
Part Information
LM27761DSGR image
RoHS Compliant
Description
The LM27761 low-noise regulated switched-capacitor voltage inverter delivers a very low-noise adjustable output for an input voltage in the range of 2.7 V to 5.5 V. Four low-cost capacitors are used in the application solution to provide up to 250 mA of output current. The regulated output for the device is adjustable between −1.5 V and −5 V. The LM27761 operates at 2-MHz (typical) switching frequency to reduce output resistance and voltage ripple. With an operating current of only 370 µA (charge-pump power efficiency greater than 80% with most loads) and 7µA typical shutdown current, the LM27761 provides ideal performance when driving power amplifiers, DAC bias rails, and other high-current, low-noise voltage applications.
Specifications
Output Type:
Adjustable
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
DC / DC Converter IC Case:
WSON
No. of Pins:
8Pins
Output Current:
250mA
Fixed Output Voltage Nom.:
-
Adjustable Output Voltage Min:
-5V
Adjustable Output Voltage Max:
-1.5V
Topology:
Inverting
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Yes
Alternate Descriptions
DC-DC CHARGE PUMP, INVERTING, WSON-8; Output Type:Adjustable; Input Voltage Min:2.7V; Input Voltage Max:5.5V; DC / DC Converter IC Case:WSON; No. of Pins:8Pins; Output Current:250mA; Fixed Output Voltage Nom.:-; Adjustable Output RoHS Compliant: Yes Newark Electronics
TISLM27761DSGR Avnet America
TISLM27761DSGR Avnet Europe