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TC7660EV 데이터시트(PDF) 2 Page - Microchip Technology |
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TC7660EV 데이터시트(HTML) 2 Page - Microchip Technology |
2 / 8 page 2 TC7660H HIGH FREQUENCY 7660 DC-TO-DC VOLTAGE CONVERTER TC7660H-2 10/1/96 © 2001 Microchip Technology Inc. DS21466A ABSOLUTE MAXIMUM RATINGS* Supply Voltage ...................................................... +10.5V LV 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 Power Dissipation (TA ≤ 70°C) (Note 2) SOIC ...............................................................470mW Plastic DIP ...................................................... 730mW Operating Temperature Range C Suffix .................................................. 0 °C to +70°C E Suffix ............................................ – 40 °C to +85°C Storage Temperature Range ............... – 65 °C to +150°C 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 perma- nent 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. ELECTRICAL CHARACTERISTICS: Over Operating Temperature Range with V+= 5V, CI = C2 = 1µF, COSC = 0, Test Circuit (Figure 1), unless otherwise indicated. Symbol Parameter Test Conditions Min Typ Max Unit I+ Supply Current RL = ∞ — 0.46 1.0 mA V+ H Supply Voltage Range, High Min ≤ TA ≤ Max, 3 — 10 V RL = 5kΩ, LV Open V+ L Supply Voltage Range, Low Min ≤ TA ≤ Max, 1.5 — 3.5 V RL = 5kΩ, LV to GND ROUT Output Source Resistance IOUT = 20mA, TA = 25°C — 55 80 Ω IOUT = 20mA, 0°C ≤ TA ≤ +70°C— — 95 Ω (C Device) IOUT = 20mA, – 40°C ≤ TA ≤ +85°C — — 110 Ω (E Device) V+ = 2V, IOUT = 3mA, LV to GND — 150 250 Ω 0 °C ≤ TA ≤ +70°C FOSC Oscillator Frequency — 120 — kHz PEFF Power Efficiency IOUT = 10mA, Min ≤ TA ≤ Max 81 85 — % VEFF Voltage Efficiency RL = ∞ 99 99.7 — % 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 TC7660H. 2. Derate linearly above 50 °C by 5.5mW/°C. |
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