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ISL9012IRNNZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL9012IRNNZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 11 page 1 ® FN9220.0 ISL9012 Dual LDO with Low Noise, Low IQ, and High PSRR ISL9012 is a high performance dual LDO capable of sourcing 150mA current from channel 1 and 300mA from channel 2. The device has a low standby current and high- PSRR and is stable with output capacitance of 1 µF to 10µF with ESR of up to 200m Ω. The device integrates a Power-On-Reset (POR) function for the VO2 output. The POR delay for VO2 can be externally programmed by connecting a timing capacitor to the CPOR pin. A reference bypass pin is also provided for connecting a noise-filtering capacitor for low noise and high PSRR applications. The quiescent current is typically only 45 µA with both LDO’s enabled and active. Separate enable pins control each individual LDO output. When both enable pins are low, the device is in shutdown, typically drawing less than 0.1 µA. Several combinations of voltage outputs are standard. Others are available on request. Output voltage options for each LDO range from 1.2V to 3.6V. Pinout ISL9012 10-PIN 3X3 DFN TOP VIEW Features • Integrates two high performance LDOs - VO1 - 150mA output - VO2 - 300mA output • Excellent transient response to large current steps • Excellent load regulation: • <1% voltage change across full range of load current • High PSRR: 70dB @ 1kHz • Wide input voltage capability: 2.3V - 6.5V • Extremely low quiescent current: 45 µA (both LDOs on) • Low dropout voltage: typically 120mV @ 150mA • Low output noise: typically 30 µVrms @ 100µA(1.5V) • Stable with 1-10 µF ceramic capacitors • Separate enable pins for each LDO • POR output, with adjustable delay time indicates when the VO2 output is good • Soft-start to limit input current surge during enable • Current limit and overheat protection • ±1.8% accuracy over all operating conditions • Tiny 10 Ld 3x3mm DFN package • -40°C to +85°C operating temperature range • Pin compatible with Micrel MIC2212 • Pb-free plus anneal available (RoHS compliant) Applications • PDAs, Cell Phones and Smart Phones • Portable Instruments, MP3 Players • Handheld Devices including Medical Handhelds VIN EN1 EN2 CBYP CPOR VO1 VO2 POR NC GND 2 3 4 1 5 9 8 7 10 6 Data Sheet September 27, 2005 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2005. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. |
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