TEA1202

INTEGRATED CIRCUITS DATA SHEET TEA1202TS Battery power unit Objective specification File under Integrated Circuits, IC03 2000 Jun 08 Philips Semiconductors Objective specification Battery power unit FEATURES Fully integrated battery power unit, including complete DC/DC converter circuit, two Low DropOut voltage regulators (LDOs) and a battery low detector Configurable for 1, 2 or 3-cell Nickel-Cadmium (NiCd) or Nickel Metal Hybrid (NiMH) batteries and 1 Lithium Ion (Li-Ion) battery Guaranteed DC/DC converter start-up from 1-cell NiCd or NiMH battery, even with an load current Upconversion or downconversion Internal power MOSFETs featuring a low RDSon of approximately 0.1 Ω Synchronous rectification for high efficiency Soft start PWM-only operating option Dropout voltage of 75 mV at 50 mA Both LDOs are also applicable as low-ohmic power switches Stable LDO performance with ceramic capacitors Stand-alone low battery detector requires no additional supply voltage Low battery detection level at 0.90 V, externally adjustable to a higher level Adjustable output voltages Shut-down function Small outline package Advanced 0.6 µm BICMOS process. APPLICATIONS Cellular phones Cordless phones Personal Digital Assistants (PDAs) Portable Audio Players Pagers Mobile equipment. ORDERING INFORMATION TYPE NUMBER TEA1202TS PACKAGE NAME SSOP20 DESCRIPTION GENERAL DESCRIPTION TEA1202TS The TEA1202TS is a fully integrated battery power unit includi...