7404 ,TRIPLE VOLTAGE REGULATORELECTRICAL CHARACTERISTICS (Unless otherwise specified, please refer to the typical operating circ ..
7405 ,Hex InvertersGeneral Description
This device contains six independent gates each of which
performs the logic ..
7407 , Hex Buffers with High Voltage Open-Collector Outputs
7407 , Hex Buffers with High Voltage Open-Collector Outputs
7407 , Hex Buffers with High Voltage Open-Collector Outputs
7407 , Hex Buffers with High Voltage Open-Collector Outputs
74F399SJX ,Quad 2-Port RegisterFunctional Description Function TableThe 74F399 is a high-speed quad 2-port registers. TheyInputs O ..
74F401 ,CRC Generator/Checker
74F401PC ,CRC Generator/CheckerFunctional DescriptionThe 74F401 is a 16-bit programmable device which oper- transition of the Cloc ..
74F402PC ,Serial Data Polynomial Generator/Checker
74F403ASPC ,First-In First-Out (FIFO) Buffer Memoryapplications. It is organized as 16-words by 4-bits 3-STATE outputsand may be expanded to any numbe ..
74F433SPC ,First-In First-Out (FIFO) Buffer Memoryapplications. It is organized as 64-words by 4-bits 3-STATE outputsand may be expanded to any numbe ..
7404
TRIPLE VOLTAGE REGULATOR
1/11November 2000 ONLY TWO CELL NEED AS INPUT THREE REGULATED OUTPUT
1) HIGH EFFICENCY PFM DC/DC
CONVERTER 3.3V AT 200mA (87%
EFFICENCY)
2) VERY LOW NOISE AND VERY LOW
DROP VREG (3V AT 20mA)
3) VERY LOW NOISE AAND VERY LOW
DROP V REG (1.9V AT 20mA) LOGIC CONTROLLED ELECTRONIC
SHUTDOWN LOW BATTERY DETECTOR VIRTUAL GND PIN TEMPERATURA RANGE: -40 TO 85°C
ST3M01TRIPLE VOLTAGE REGULATOR
SCHEMATIC DIAGRAM
ST3M012/11
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
ORDER CODES
ST3M013/11
CONNECTION DIAGRAM (top view)
PIN DESCRIPTION
ST3M014/11
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, please refer to the typical operating circut of the pag 1 for the external components values and connections. Unless otherwise noted SHDN =HIGH)
Note 1: For VIN < 1.9V the VO(LB) is out of regulation because of under dropout condition
Note 2: VO(DC/DC) = 3.5V force for an external DC source to avoid switching noise
ST3M015/11
DC/DC CONVERTER BLOCK DIAGRAM
LINEAR VREG BLOCK DIAGRAM
ST3M016/11
TEST CIRCUIT A
TEST CIRCUIT B
