LTC1144CS8#PBF Unregulated Doubling/Inverting Charge Pumps by Analog Devices

Status: Production
Series: LTC1144
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The LTC1144 is a monolithic CMOS switched-capacitor voltage converter. It performs supply voltage conversion from positive to negative from an input range of 2V to 18V, resulting in complementary output voltages of –2V to –18V. Only two noncritical external capacitors are needed for the charge pump and charge reservoir functions.The converter has an internal oscillator that can be overdriven by an external clock or slowed down when connected to a capacitor. The oscillator runs at a 10kHz frequency when unloaded. A higher frequency outside the audio band can also be obtained if the Boost Pin is tied to V+. The SHDN  pin reduces supply current to 8μA and can be used to save power when the converter is not in use.The LTC1144 contains an internal oscillator, divide-by-two, voltage level shifter, and four power MOSFETs. A special logic circuit will prevent the power N-channel switch substrate from turning on.

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Prices starting from US$5.66

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Newark Electronics
from US$6.17
20
in stock
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element14
from US$6.68
20
in stock
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Farnell
from US$6.48
20
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TME
from US$6.82
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Buerklin
from US$11.08
0
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Richardson RFPD
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Features

Wide Operating Supply Voltage Range: 2V to 18V
Boost Pin (Pin 1) for Higher Switching Frequency
Simple Conversion of 15V to –15V Supply
Low Output Resistance: 120Ω Maximum
Power Shutdown to 8μA with SHDN Pin
Open Circuit Voltage Conversion Efficiency: 99.9% Typical
Power Conversion Efficiency: 93% Typical
Easy to Use

Last 6 months Inventory & Pricing History


Alternative Descriptions

Dc/Dc Charge Pump Conv, Inv, Adj | Newark Electronics
DC/DC CHARGE PUMP CONV, INV, ADJ | element14
PMIC | TME
Charge Pump STPDN -2V to -18V 50mA 8-Pin SOIC N Tube | Richardson RFPD


LTC1144CS8#PBF Semiconductors - ICs by Linear Technology

VOLT CONVERTER SMD SOIC8 1144

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Adjustable
Input Voltage Min 2V
Input Voltage Max 18V
DC / DC Converter IC Case SOIC
No. of Pins 8Pins
Output Current 50mA
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min -18V
Adjustable Output Voltage Max -2V
Topology Inverting
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
RoHS Phthalates Compliant Yes
Base Number 1144
Frequency 10kHz
IC Temperature Range Commercial
No. of Outputs 1Outputs
Operating Temperature Min 0°C
Operating Temperature Range 0°C to +70°C
Output Current Max 50mA
Output Voltage -18V
Output Voltage Max -2V
Output Voltage Min -18V
Primary Input Voltage 18V
Supply Voltage Min 2V
Termination Type Surface Mount Device
Voltage Regulator Type Switched Capacitor
Voltage Vcc 20V

Last 6 months Inventory & Pricing History


Alternative Descriptions

I.C. LTC1144CS8 | Buerklin

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LTC1144CS8#PBF?

Additional datasheets, footprints and schematics for LTC1144CS8#PBF are listed on our Part Details page. You can also find images and similar parts to LTC1144CS8#PBF on this page.

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What category does LTC1144CS8#PBF fall under?

The LTC1144CS8#PBF is listed under Unregulated Doubling/Inverting Charge Pumps.

Can I view similar or alternative parts?

You can view similar parts to LTC1144CS8#PBF when available in the Unregulated Doubling/Inverting Charge Pumps range under the specifications section at the bottom of the details page.

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Is the LTC1144CS8#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for LTC1144CS8#PBF have stock available?

Authorised distributors including Newark Electronics, element14, Farnell, TME and Buerklin have stock available or on a lead time for LTC1144CS8#PBF.

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