TC7660HEPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The TC7660HEPA is a switched-capacitor voltage inverter IC from Microchip supporting 1.5 V to 10 V input, converting a positive supply to an equal-magnitude negative rail. It is housed in an 8-pin DIP package, needs only 2 external capacitors, and targets portable analog and op-amp dual-supply applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC7660HEPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6156(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Switched-capacitor charge-pump inverter operating from 1.5 V to 10 V input
- Generates negative output voltage equal in magnitude to the positive supply input
- Only 2 external capacitors required—no inductors or transformers
- 8-pin PDIP package enabling fast through-hole prototyping
- High-efficiency, low quiescent current suitable for battery-powered portable designs
- Pb-free, RoHS-compliant construction meeting e3 JEDEC moisture class
Applications
The TC7660HEPA is used in analog signal conditioning, op-amp dual-supply circuits, and portable instruments where a negative rail must be generated from a single positive battery or regulated supply of up to 10 V. It is also applied in handheld test equipment, audio preamplifiers, and sensor bias circuits that require a low-noise inverted supply without the complexity of a boost-inverter or transformer topology.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 8 |
| Analog IC - Other Type | SWITCHED CAPACITOR REGULATOR |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 1.5V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | -10 V |
| Output Voltage-Min | -1.5 V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1mA |
| Surface Mount | NO |
| Switcher Configuration | DOUBLER INVERTER |
| Switching Frequency-Max | 120kHz |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does TC7660HEPA differ from TC7662BEPA for 12 V supply applications?
TC7660HEPA is rated for a maximum input of 10 V, whereas TC7662BEPA extends the limit to 15 V, making TC7662BEPA the correct choice for 12 V supply inversion. For 5 V or lower designs both parts are interchangeable in the same 8-pin PDIP footprint and 2-capacitor circuit configuration.
What output voltage can be expected when TC7660HEPA is powered from a 5 V source?
When supplied with 5 V, the TC7660HEPA ideally produces −5 V on its output through the switched-capacitor charge-pump inversion. In practice, the output is slightly lower due to on-resistance of the internal switches, but for light loads under 20 mA the deviation is typically less than 0.5 V.
Which capacitor values are recommended for stable TC7660HEPA operation?
Microchip recommends 10 µF electrolytic capacitors for both the charge-pump reservoir (C1) and the output filter (C2) for best regulation and low output ripple. Smaller 1 µF to 4.7 µF capacitors may be used for space-constrained designs but will increase output impedance and ripple voltage.
Is TC7660HEPA suitable for equipment that must comply with RoHS Directive 2011/65/EU?
Yes, the TC7660HEPA is Pb-free and carries JEDEC moisture sensitivity code e3, confirming it meets RoHS requirements. The Pb-free flag in Microchip's product database and the e3 JESD-609 code together confirm that no restricted substances are present in concentrations above 1,000 ppm.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.4000 | $1.40 |
| 25+ | $0.7188 | $17.97 |
| 100+ | $0.6649 | $66.49 |
| 1920+ | $0.6264 | $1202.65 |
| 3840+ | $0.6209 | $2384.26 |
| 7680+ | $0.6156 | $4727.81 |
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