Datasheet ICL7660S, ICL7660A (Renesas) - 5
| Manufacturer | Renesas |
| Description | Super Voltage Converters |
| Pages / Page | 14 / 5 — Functional Block Diagram. OSCILLATOR. VOLTAGE. OSC. AND DIVIDE-BY-. … |
| File Format / Size | PDF / 679 Kb |
| Document Language | English |
Functional Block Diagram. OSCILLATOR. VOLTAGE. OSC. AND DIVIDE-BY-. LEVEL. CAP+. TRANSLATOR. 2 COUNTER. GND. CAP-. INTERNAL SUPPLY. REGULATOR
Model Line for this Datasheet
Text Version of Document
link to page 7 link to page 7 ICL7660S, ICL7660A
Functional Block Diagram V+ 8 Q1 OSCILLATOR VOLTAGE OSC AND DIVIDE-BY- LEVEL CAP+ 7 TRANSLATOR 2 COUNTER 2 Q2 GND LV 3 6 CAP- Q4 4 INTERNAL SUPPLY REGULATOR VOUT 5 Q3 3 SUBSTRATE LOGIC 3 NETWORK 3 Typical Performance Curves
See Figure 12 on page 7, “ICL7660S Test Circuit”) and Figure 13 on page 7 “ICL7660A Test Circuit”
12 250 ) Ω TA = +125°C 10 ( 200 ) CE (V 8 AN E TA = +25°C G SUPPLY VOLTAGE RANGE 150 LTA (NO DIODE REQUIRED) 6 RESIST O TA = -55°C V LY 100 4 URCE PP O SU 2 50 OUTPUT S 0 0 -55 -25 0 25 50 100 125 0 2 4 6 8 10 12 TEMPERATURE (°C) SUPPLY VOLTAGE (V) FIGURE 1. OPERATING VOLTAGE AS A FIGURE 2. OUTPUT SOURCE RESISTANCE AS A FUNCTION OF TEMPERATURE FUNCTION OF SUPPLY VOLTAGE 350 98 ) Ω (%) 96 300 V+ = 5V 94 TA = +25°C 250 IOUT = 1mA TANCE ( 92 IS IOUT = 3mA, 200 IOUT = 20mA, V+ = 2V 90 V+ = 5V 88 150 IOUT = 20mA, V+ = 5V 86 100 CONVERSION EFFICIENCY 84 R E 50 82 OUTPUT SOURCE RES IOUT = 20mA, V+ = 12V POW 0 80 -50 -25 0 25 50 75 100 125 100 1k 10k 50k TEMPERATURE (°C) OSC FREQUENCY fOSC (Hz) FIGURE 3. OUTPUT SOURCE RESISTANCE AS A FIGURE 4. POWER CONVERSION EFFICIENCY AS A FUNCTION OF TEMPERATURE FUNCTION OF OSCILLATOR FREQUENCY
FN3179 Rev 7.01 Page 5 of 14 Feb 10, 2020
Functional Block Diagram V+ 8 Q1 OSCILLATOR VOLTAGE OSC AND DIVIDE-BY- LEVEL CAP+ 7 TRANSLATOR 2 COUNTER 2 Q2 GND LV 3 6 CAP- Q4 4 INTERNAL SUPPLY REGULATOR VOUT 5 Q3 3 SUBSTRATE LOGIC 3 NETWORK 3 Typical Performance Curves
See Figure 12 on page 7, “ICL7660S Test Circuit”) and Figure 13 on page 7 “ICL7660A Test Circuit”
12 250 ) Ω TA = +125°C 10 ( 200 ) CE (V 8 AN E TA = +25°C G SUPPLY VOLTAGE RANGE 150 LTA (NO DIODE REQUIRED) 6 RESIST O TA = -55°C V LY 100 4 URCE PP O SU 2 50 OUTPUT S 0 0 -55 -25 0 25 50 100 125 0 2 4 6 8 10 12 TEMPERATURE (°C) SUPPLY VOLTAGE (V) FIGURE 1. OPERATING VOLTAGE AS A FIGURE 2. OUTPUT SOURCE RESISTANCE AS A FUNCTION OF TEMPERATURE FUNCTION OF SUPPLY VOLTAGE 350 98 ) Ω (%) 96 300 V+ = 5V 94 TA = +25°C 250 IOUT = 1mA TANCE ( 92 IS IOUT = 3mA, 200 IOUT = 20mA, V+ = 2V 90 V+ = 5V 88 150 IOUT = 20mA, V+ = 5V 86 100 CONVERSION EFFICIENCY 84 R E 50 82 OUTPUT SOURCE RES IOUT = 20mA, V+ = 12V POW 0 80 -50 -25 0 25 50 75 100 125 100 1k 10k 50k TEMPERATURE (°C) OSC FREQUENCY fOSC (Hz) FIGURE 3. OUTPUT SOURCE RESISTANCE AS A FIGURE 4. POWER CONVERSION EFFICIENCY AS A FUNCTION OF TEMPERATURE FUNCTION OF OSCILLATOR FREQUENCY
FN3179 Rev 7.01 Page 5 of 14 Feb 10, 2020
