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TC1044SEOA Folha de dados(PDF) 2 Page - Microchip Technology |
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TC1044SEOA Folha de dados(HTML) 2 Page - Microchip Technology |
2 / 11 page TC1044S-12 9/16/96 TC1044S Charge Pump DC-TO-DC Voltage Converter 2 © 2001 Microchip Technology Inc. DS21348A Package Power Dissipation (TA ≤ 70°C) (Note 2) 8-Pin CerDIP .................................................. 800mW 8-Pin Plastic DIP ............................................. 730mW 8-Pin SOIC ..................................................... 470mW Operating Temperature Range C Suffix .................................................. 0 °C to +70°C I Suffix ............................................... – 25 °C to +85°C E Suffix ............................................. – 40 °C to +85°C M Suffix ........................................... – 55 °C to +125°C Storage Temperature Range ................ – 65 °C to +150°C ELECTRICAL CHARACTERISTICS: TA = +25°C, V+ = 5V, COSC = 0, Test Circuit (Figure 1), unless otherwise indicated. Symbol Parameter Test Conditions Min Typ Max Unit I + Supply Current RL = ∞ — 80 160 µA 0 °C < TA < +70°C — — 180 – 40 °C < TA < +85°C — — 180 – 55 °C < TA < +125°C — — 200 I + Supply Current 0 °C < TA < +70°C — — 300 µA (Boost Pin = V +)– 40 °C < TA < +85°C — — 350 – 55 °C < TA < +125°C — — 400 V + H2 Supply Voltage Range, High Min ≤ TA ≤ Max, 3 — 12 V RL = 10 kΩ, LV Open V + L2 Supply Voltage Range, Low Min ≤ TA ≤ Max, 1.5 — 3.5 V RL = 10 kΩ, LV to GND ROUT Output Source Resistance IOUT = 20mA — 60 100 Ω IOUT = 20mA, 0°C ≤ TA ≤ +70°C — 70 120 IOUT = 20mA, –40°C ≤ TA ≤ +85°C — 70 120 IOUT = 20mA, –55°C ≤ TA ≤ +125°C — 105 150 V + = 2V, IOUT = 3 mA, LV to GND 0 °C ≤ TA ≤ +70°C — — 250 Ω – 55 °C ≤ TA ≤ +125°C — — 400 FOSC Oscillator Frequency Pin 7 open; Pin 1 open or GND — 10 — kHz Boost Pin = V + —45 — PEFF Power Efficiency RL = 5 kΩ; Boost Pin Open 96 98 — % TMIN < TA < TMAX; Boost Pin Open 95 97 — Boost Pin = V + —88 — VOUT EFF Voltage Conversion Efficiency RL = ∞ 99 99.9 — % ZOSC Oscillator Impedance V + = 2V — 1 — M Ω V + = 5V — 100 — k Ω NOTES: 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 TC1044S. 2. Derate linearly above 50 °C by 5.5mW/°C. 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 (Note 1) ...................... 20 µA for V+ > 3.5V Output Short Duration (VSUPPLY ≤ 5.5V) ......... Continuous Lead Temperature (Soldering, 10 sec) ................. +300 °C *Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. |
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