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ICL7660CBAZ
+BOMIC REG CHARG PUMP INV 45MA 8SOIC
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Nhà sản xuấtRenesas Electronics Corporation
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Ông. Phần #ICL7660CBAZ
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Có sẵn2155
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Base Product Number | ICL7660 |
| Function | Ratiometric |
| Output Configuration | Positive or Negative |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.5V |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | -Vin, 2Vin |
| Current - Output | 45mA |
| Frequency - Switching | 10kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
Tổng quan
Description
Key features of the ICL7660CBAZ include low power consumption, a wide operating voltage range (typically 1.5V to 10V), and the ability to deliver output currents up to 10mA. It requires only two external capacitors to function, making it a simple and cost-effective solution for negative voltage generation. The IC is also known for its compact size and ease of use, making it suitable for battery-powered and portable applications.
The ICL7660CBAZ is often used in operational amplifier circuits, data acquisition systems, and analog systems that require symmetrical power supplies or negative bias voltages.
Equivalent
Features
1. Voltage Conversion: Operates as a voltage doubler or inverter, providing flexibility in power supply design.
2. Input Voltage Range: Typically functions with an input range of 1.5V to 10V, allowing it to be used in various applications.
3. Low Quiescent Current: Consumes minimal power when idle, making it suitable for battery-operated devices.
4. High Efficiency: Typically achieves over 90% power conversion efficiency under specified conditions.
5. Easy Implementation: Requires only two external capacitors for operation, simplifying circuit design.
6. Low Output Impedance: Offers low output impedance, which enhances performance in applications requiring stable voltage supply.
7. Compact Package: Available in a compact package, such as the 8-Pin SOIC, which is ideal for space-constrained applications.
8. Wide Temperature Range: Functions efficiently across a wide temperature range, suitable for both industrial and consumer applications.
These features make the ICL7660CBAZ a versatile choice for applications needing efficient voltage conversion.
Pinout
Here's a brief overview of the pin functions:
1. CAP+: Positive terminal for the charge pump capacitor.
2. GND: Ground pin.
3. CAP-: Negative terminal for the charge pump capacitor.
4. VOUT: Output voltage pin, provides the inverted voltage.
5. LV: Low-voltage pin, used to optimize performance for low voltage inputs.
6. OSC: Oscillator control pin, allows frequency adjustment.
7. VIN: Input voltage pin, accepts the positive input voltage.
8. VCC: Positive power supply pin, typically connected to VIN.
The ICL7660 is widely used in applications where a simple, low-cost solution is required to generate a negative voltage from a positive supply, especially in battery-powered devices.
Manufacturer
Application
1. Voltage Inversion: Converts a positive voltage to a negative voltage, making it useful in dual-supply systems.
2. Battery-Powered Devices: Provides power management solutions for portable electronics by efficiently generating negative voltages.
3. Operational Amplifier Biasing: Supplies negative biasing voltages required by op-amps in single-supply systems.
4. Data Conversion Circuits: Supports ADCs and DACs needing bipolar supply voltages.
5. Sensor Interfaces: Powers sensor circuits requiring negative supply voltages.
Its compact design and efficiency make it ideal for low-power and space-constrained applications.