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ICL7660CBAZA Datasheet(PDF) 4 Page - Intersil Corporation |
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ICL7660CBAZA Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 11 page 4 FN3072.7 October 10, 2005 Functional Block Diagram Voltage Conversion Efficiency VOUTEFF V+ = 3V, RL = ∞ -- - 99 - - % TMIN < TA < TMAX -- - 99 - - % Power Efficiency PEFF V+ = 3V, RL = 5kΩ -- - 96 - - % TMIN < TA < TMAX -- - 95 - - % NOTES: 2. Connecting any input terminal to voltages greater than V+ or less than GND may cause destructive latchup. It is recommended that no inputs from sources operating from external supplies be applied prior to “power up” of the ICL7660, ICL7660A. 3. Derate linearly above 50°C by 5.5mW/°C. 4. In the test circuit, there is no external capacitor applied to pin 7. However, when the device is plugged into a test socket, there is usually a very small but finite stray capacitance present, of the order of 5pF. 5. The Intersil ICL7660A can operate without an external diode over the full temperature and voltage range. This device will function in existing designs which incorporate an external diode with no degradation in overall circuit performance. Electrical Specifications ICL7660 and ICL7660A, V+ = 5V, TA = 25°C, COSC = 0, Test Circuit Figure 11 Unless Otherwise Specified (Continued) PARAMETER SYMBOL TEST CONDITIONS ICL7660 ICL7660A UNITS MIN TYP MAX MIN TYP MAX RC OSCILLATOR ÷2 VOLTAGE LEVEL TRANSLATOR VOLTAGE REGULATOR LOGIC NETWORK OSC LV V+ CAP+ CAP- VOUT Typical Performance Curves (Test Circuit of Figure 11) FIGURE 1. OPERATING VOLTAGE AS A FUNCTION OF TEMPERATURE FIGURE 2. OUTPUT SOURCE RESISTANCE AS A FUNCTION OF SUPPLY VOLTAGE 10 SUPPLY VOLTAGE RANGE (NO DIODE REQUIRED) 8 6 4 2 0 -55 -25 0 25 50 100 125 TEMPERATURE ( °C) 10K TA = 25°C 1000 100 10 01 2 3 4 5 6 7 8 SUPPLY VOLTAGE (V+) ICL7660, ICL7660A |
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