LM2757TM/NOPB Semiconductors - ICs by Texas Instruments

BOOST REG SWITCHED CAP POWERWISE

Status: Unknown
Series: -
RoHS: Unknown
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The LM2757 is a constant-frequency pre-regulated switched-capacitor charge pump that operates at 1.25 MHz to produce a low-noise regulated output voltage. The device can be configured to provide up to 100 mA at 4.1 V, 110 mA at 4.5 V, or 180 mA at 5 V. Excellent efficiency is achieved without the use of an inductor by operating the charge pump in a gain of either 3/2 or 2 according to the input voltage and output voltage option selection. The LM2757 presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the LM2757 is shut down. The LM2757 device comes in a tiny 12-pin 0.4-mm pitch DSBGA package. A perfect fit for spaceconstrained, battery-operated applications, the device requires only 4 small, inexpensive ceramic capacitors. Built-in soft-start, overcurrent protection, and thermal shutdown features are also included in this device.

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Specifications

Output Type Fixed
Input Voltage Min 2.7V
Input Voltage Max 5.5V
DC / DC Converter IC Case DSBGA
No. of Pins 12Pins
Output Current 180mA
Fixed Output Voltage Nom. 5V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Topology Boost (Step Up)
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Phthalates Compliant Yes
Accuracy % 2.6%
Base Number 2757
Cross-section Area Max 12mm²
Frequency 1.24MHz
No. of Outputs 1Outputs
Operating Temperature Min -30°C
Operating Temperature Range -30°C to +85°C
Output Voltage 5V
Output Voltage Min 4.1V
Output Voltage Nom. 5V
Primary Input Voltage 3.6V
Supply Voltage Max 5.5V
Supply Voltage Min 2.7V
Termination Type Surface Mount Device
Voltage Regulator Type Selectable 4.1V 4.5V or 5V O/P Boost Regulator

Alternative Descriptions

Switched Capacitor Boost Regulator with High Impedance Output in Shutdown | Texas Instruments


Frequently Asked Questions

Where can I find additional details, specifications and documents for a LM2757TM/NOPB?

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What category does LM2757TM/NOPB fall under?

The LM2757TM/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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This part has not been flagged as RoHS Compliant.

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