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Details for LM7705MM/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
CHARGE PUMP INVERTING -0.232V VSSOP-8
LM7705MM/NOPB image

LM7705MM/NOPB by Texas Instruments

CHARGE PUMP INVERTING -0.232V VSSOP-8
Features
8-Pin VSSOP Package
Conversion Efficiency Up to 98%
Maximum Output Current 26 mA
Operating Temperature Range u221240u00b0C to 125u00b0C
Output Voltage Ripple 4 mVPP
Output Voltage Tolerance 5%
Quiescent Current 78 u00b5A
Regulated Output Voltage u22120.232 V
Shutdown Current 20 nA
Supply Voltage 3 V to 5.25 V
Turnon Time 500 u00b5s
Part Information
LM7705MM/NOPB image
RoHS Compliant
Description
The LM7705 device is a switched capacitor voltage inverter with a low noise, −0.23 V fixed negative voltage regulator. This device is designed to be used with low voltage amplifiers to enable the amplifiers output to swing to zero volts. The −0.23 V is used to supply the negative supply pin of an amplifier while maintaining less then 5.5 V across the amplifier. Railto-Rail output amplifiers cannot output zero volts when operating from a single-supply voltage and can result in error accumulation due to amplifier output saturation voltage being amplified by following gain stages. A small negative supply voltage will prevent the amplifiers output from saturating at zero volts and will help maintain an accurate zero through a signal processing chain. Additionally, when an amplifier is used to drive an input of the ADC, the amplifier can output a zero voltage signal and the full input range of an ADC can be used. The LM7705 device has a shutdown pin to minimize standby power consumption.
Specifications
Output Type:
Fixed
Input Voltage Min:
3V
Input Voltage Max:
5.25V
DC / DC Converter IC Case:
VSSOP
No. of Pins:
8Pins
Output Current:
26mA
Fixed Output Voltage Nom.:
-232mV
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Topology:
Inverting
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Yes
Output Voltage Nom.:
-0.232V
Alternate Descriptions
CHARGE PUMP, INVERTING, -0.232V, VSSOP-8; Output Type:Fixed; Input Voltage Min:3V; Input Voltage Max:5.25V; DC / DC Converter IC Case:VSSOP; No. of Pins:8Pins; Output Current:26mA; Fixed Output Voltage Nom.:-232mV; Adjustable Output RoHS Compliant: Yes Newark Electronics
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