Datasheet LTC2956 (Analog Devices) - 8

ManufacturerAnalog Devices
DescriptionWake-Up Timer with Pushbutton Control
Pages / Page28 / 8 — BLOCK DIAGRAM
File Format / SizePDF / 325 Kb
Document LanguageEnglish

BLOCK DIAGRAM

BLOCK DIAGRAM

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LTC2956
BLOCK DIAGRAM
VIN REGULATOR V V CC CC M4 VCC 900k 900k EN (LTC2956-1) PB CMP1 – LOGIC M5 VIN 32ms DEBOUNCE 0.9V + M2 900k SLEEP CMP2 EN (LTC2956-2) – M3 1V + PBOUT M6 OSC2 f = 1kHz CLK PROGRAMMABLE ONALERT DIVIDER ÷ 1, 4, …222 M7 OSC1 OFFALERT f = 2kHz • 400kΩ RPERIOD M8 I + PERIOD ONMAX S3 0.4V ONMAX M1 TIMER AMP – VCC VCC S1 S2 PERIOD LONG RANGE GND 2956 BD RPERIOD RCOM RLONG RRANGE 2956fa 8 For more information www.linear.com/LTC2956