ICL7660, ICL7660A Data Sheet October 10, 2005 FN3072.7 CMOS Voltage Converters Features The Intersil ICL7660 and ICL7660A are monolithic CMOS Simple Conversion of +5V Logic Supply to 5V Supplies power supply circuits which offer unique performance Simple Voltage Multiplication (V = (-) nV ) OUT IN advantages over previously available devices. The ICL7660 Typical Open Circuit Voltage Conversion Efficiency 99.9% performs supply voltage conversions from positive to negative for an input range of +1.5V to +10.0V resulting in Typical Power Efficiency 98% complementary output voltages of -1.5V to -10.0V and the Wide Operating Voltage Range ICL7660A does the same conversions with an input range of - ICL7660 1.5V to 10.0V +1.5V to +12.0V resulting in complementary output voltages - ICL7660A . 1.5V to 12.0V of -1.5V to -12.0V. Only 2 noncritical external capacitors are needed for the charge pump and charge reservoir functions. ICL7660A 100% Tested at 3V The ICL7660 and ICL7660A can also be connected to Easy to Use - Requires Only 2 External Non-Critical function as voltage doublers and will generate output Passive Components voltages up to +18.6V with a +10V input. No External Diode Over Full Temp. and Voltage Range Contained on the chip are a series DC supply regulator, RC oscillator, voltage level translator, and four output power Pb-Free Plus Anneal Available (RoHS Compliant) MOS switches. A unique logic element senses the most Applications negative voltage in the device and ensures that the output N-Channel switch source-substrate junctions are not forward On Board Negative Supply for Dynamic RAMs biased. This assures latchup free operation. Localized Processor (8080 Type) Negative Supplies The oscillator, when unloaded, oscillates at a nominal Inexpensive Negative Supplies frequency of 10kHz for an input supply voltage of 5.0V. This frequency can be lowered by the addition of an external Data Acquisition Systems capacitor to the OSC terminal, or the oscillator may be overdriven by an external clock. The LV terminal may be tied to GROUND to bypass the internal series regulator and improve low voltage (LV) operation. At medium to high voltages (+3.5V to +10.0V for the ICL7660 and +3.5V to +12.0V for the ICL7660A), the LV pin is left floating to prevent device latchup. Pinouts ICL7660, ICL7660A (8 LD PDIP, SOIC) TOP VIEW NC 1 8 V+ CAP+ 2 7 OSC GND 3 6 LV CAP- 4 5 V OUT CAUTION: These devices are sensitive to electrostatic discharge follow proper IC Handling Procedures. 1 1-888-INTERSIL or 1-888-468-3774 Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 1999-2004, 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners.ICL7660, ICL7660A Ordering Information PART NUMBER TEMP. RANGE (C) PACKAGE PKG. DWG. ICL7660CBA* 7660CBA 0 to 70 8 Ld SOIC (N) M8.15 ICL7660CBAZ* (See Note) 7660CBAZ 0 to 70 8 Ld SOIC (N) (Pb-free) M8.15 ICL7660CBAZA* (See Note) 7660CBAZ 0 to 70 8 Ld SOIC (N) (Pb-free) M8.15 ICL7660CPA 7660CPA 0 to 70 8 Ld PDIP E8.3 ICL7660CPAZ ( See Note) 7660CPAZ 0 to 70 8 Ld PDIP** (Pb-free) E8.3 ICL7660ACBA* 7660ACBA 0 to 70 8 Ld SOIC (N) M8.15 ICL7660ACBAZA* (See Note) 7660ACBAZ 0 to 70 8 Ld SOIC (N) (Pb-free) M8.15 ICL7660ACPA 7660ACPA 0 to 70 8 Ld PDIP E8.3 ICL7660ACPAZ (See Note) 7660ACPAZ 0 to 70 8 Ld PDIP** (Pb-free) E8.3 ICL7660AIBA* 7660AIBA -40 to 85 8 Ld SOIC (N) M8.15 ICL7660AIBAZA* (See Note) 7660AIBAZ -40 to 85 8 Ld SOIC (N) (Pb-free) M8.15 *Add -T suffix to part number for tape and reel packaging. **Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. FN3072.7 2 October 10, 2005