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TC7660SEOA Datasheet(PDF) 3 Page - Microchip Technology |
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TC7660SEOA Datasheet(HTML) 3 Page - Microchip Technology |
3 / 24 page 2001-2015 Microchip Technology Inc. DS20001467C-page 3 TC7660S 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings† Supply Voltage ................................................................+13V LV, Boost, and OSC Inputs Voltage: (Note 1) ...................................-0.3V to (V+ + 0.3V) for V+ < 5.5V ......................... (V+ – 5.5V) to (V+ + 0.3V) for V+ > 5.5V Current into LV ......................................... 20 µA for V+ > 3.5V Output Short Duration (VSUPPLY 5.5V)...............Continuous Package Power Dissipation: (TA +70°C) (Note 2) 8-Pin PDIP ..........................................................730 mW 8-Pin SOIC..........................................................470 mW Lead Temperature (Soldering, 10s) .... ....................... +300°C Notice†: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended periods may affect device reliability. Note 1: Connecting any input terminal to voltages greater than V+ or less than GND may cause destructive latch-up. It is recommended that no inputs from sources operating from external supplies be applied prior to “power up” of the TC7660S. 2: Derate linearly above +50°C by 5.5 mW/°C. ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise noted, specifications measured over operating temperature range with V+ = 5V, COSC = 0, refer to test circuit in Figure 4-1. Parameters Sym. Min. Typ. Max. Units Conditions Supply Current (Boost pin OPEN or GND) I+ —80 160 µA RL = —— 180 0°C TA +70°C — — 180 -40°C TA +85°C — — 200 -55°C TA +125°C Supply Current (Boost pin = V+) I+ —— 300 µA 0°C TA +70°C — — 350 -40°C TA +85°C — — 400 -55°C TA +125°C Supply Voltage Range, High V+H 3.0 — 12 V Min. TAMax, RL = 10 k, LV Open Supply Voltage Range, Low V+L 1.5 — 3.5 V Min. TAMax, RL = 10 k, LV to GND Output Source Resistance ROUT —60 100 IOUT = 20 mA —70 120 IOUT = 20 mA, 0°C TA +70°C —70 120 IOUT = 20 mA, -40°C TA +85°C — 105 150 IOUT = 20 mA, -55°C TA +125°C —— 250 V+ = 2V, IOUT = 3 mA, LV to GND 0°C TA +70°C —— 400 V+ = 2V, IOUT = 3 mA, LV to GND -55°C TA +125°C Oscillator Frequency fOSC — 10 — kHz Pin 7 open, Pin 1 open or GND 45 Boost Pin = V+ Power Efficiency PEFF 96 98 — % RL = 5 kBoost Pin Open 95 98 — TMIN TA TMAX; Boost Pin Open — 88 — Boost Pin = V+ |
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