LTC2956 ELECTRICAL CHARACTERISTICSThe l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V, RCOM = 100k unless otherwise noted. (Note 2)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSOutput Pins: EN/EN, PBOUT, ONALERT, OFFALERT, PERIOD, RANGE, LONG VEN(VOH) EN Voltage Output High (LTC2956-1) I = 0µA, –1µA l 1.5 V VEN(VOH) EN Voltage Output High (LTC2956-2) I = 0µA, –1µA l VIN – 1.5 VIN V REN/EN EN/EN Pull-Up Resistance l 0.45 0.9 1.35 MΩ VOL Output Low Voltage (EN/EN) I = 1mA l 0.4 V Output Low Voltage (ONALERT, PBOUT) I = 3mA l 0.4 V Output Low Voltage (OFFALERT) I = 6mA l 0.4 V IOH Input Leakage Current (RANGE, LONG) V = 1.5V l ±100 nA Leakage Current (PBOUT, ONALERT, OFFALERT) V = 5V l ±100 nA VPERIOD PERIOD Open Circuit Voltage I = –1µA l 0.3 0.4 0.5 V Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 3: A substrate diode limits the VIN pin to a minimum of –0.3V with may cause permanent damage to the device. Exposure to any Absolute respect to GND. This pin may go below –0.3V with current limited to less Maximum Rating condition for extended periods may affect device than 50mA. reliability and lifetime. Note 2: All currents into device pins are positive; all currents out of device pins are negative; all voltages are referenced to GND unless otherwise noted. tDB tDB PB t PBOUT tPBOUT_FIRST LONG tPD(SLEEP) tPD(SLEEP) SLEEP tPERIOD tAWAKE_MIN EN tSLEEP_MIN tSLEEP_MIN tONMAX t OFFALERT OFF ONALERT 2956 EC TD Timing Diagram 2956fa 4 For more information www.linear.com/LTC2956