NCP1500DMR2G ON Semiconductor, NCP1500DMR2G Datasheet
NCP1500DMR2G
Specifications of NCP1500DMR2G
NCP1500DMR2GOS
NCP1500DMR2GOSTR
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NCP1500DMR2G Summary of contents
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... Baseband Supplies for Portable Handsets • PDAs • Supplies for DSP Circuitry SHD 1 SYN MBRM120 OUT Figure 1. Typical Operating Circuit © Semiconductor Components Industries, LLC, 2010 November, 2010 − Rev. 5 NCP1500DMR2 NCP1500DMR2G †For information on tape and reel specifications, CB0 8 CB1 7 GND OUT 1 http://onsemi ...
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PIN FUNCTION DESCRIPTIONS Pin # Symbol 1 SHD Device is placed in shutdown when SHD is driven low. In shutdown mode, the internal MOSFET and output are turned off. Driven to high for normal operation. This pin is floating internally ...
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ELECTRICAL CHARACTERISTICS and for PWM mode −40 to 85°C for Min/Max values, unless otherwise noted Characteristic Input Voltage Range Main FET Leakage Current (Pins Main FET Leakage Current ...
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SHD Reference Out + − I Limit PWM Sync SYN Detection Mode Select and Timing + − Block Slope + Compression PWM − Comparator − SoftStart CB0 CB1 Component C1 Figure 2. Typical Circuit with the Internal Schematic ...
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Introduction The NCP1500 is a dual mode regulator intended for use in baseband supplies for portable equipment. Its unique features provide power to the baseband circuitry while, at the same time save valuable battery energy. When the handset is idle, ...
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PWM Section The PWM section consists of a PWM comparator, set dominant latch, slope compensation circuit, current sense circuit, and current limit circuit. The NCP1500 operates as a current mode regulator in PWM mode. In this mode, a PWM pulse ...
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Linear Mode Operation The NCP1500 operates as a linear regulator if the synchronization signal is absent. The part is designed to provide nominally in this mode. Transients 100 mA can be accommodated if ...
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Over Voltage Protection NCP1500 has an overvoltage protection circuit that protects the output during the PWM mode. Normally, in PWM mode, the output switch will conduct at the onset of every synchronization pulse. The minimum output duty cycle is 3%. ...
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Thermal Shutdown Internal Thermal Shutdown circuitry is provided to protect the integrated circuit in the event at the maximum junction temperature is exceeded. When activated, typically at 150°C, the PWM latch is reset and the linear regulator control circuitry is ...
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2.5 2.7 2.9 3 INPUT VOLTAGE (V) IN Figure ...
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... A1 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...