intersil Manuals (Industrial)

The HIP1013 is a low cost HOT SWAP dual supply power distribution controller. Two external N-Channel MOSFETs are driven to distribute power while providing load fault isolation. At turn-on, the gate of each external N-Channel MOSFET is charged with a 10µA current source. Capacitors on each gate (see the Typical Application Diagram), create a programmable ramp (soft turn-on) to control inrush currents. A built in charge pump supplies the gate drive for the 12V supply N-Channel MOSFET switch. Over current protection is facilitated by two external current sense resistors. When the current through either resistor exceeds the user programmed value the N-Channel MOSFETs are latched off by the HIP1013. The controller is reset by a rising edge on either PWRON pin. Choosing the voltage selection mode the HIP1013 controls either +12V/5V or +3.3V/+5V supplies. Although pin compatible with the HIP1012 device, the HIP1013 does not offer current regulation during an OC event.

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The HIP1012A is a HOT SWAP dual supply power distribution controller. It drives two external N-Channel MOSFETs to distribute power while providing load fault isolation. It features soft turn-on, overcurrent protection, and timeout control.

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The ISL6118 is Intersil's dual channel, fully independent overcurrent (OC) fault protection IC for the +2.5V to +5.5V environment. This device features internal current monitoring, accurate current limiting, integrated power switches and current limited delay to latch-off for system protection. The ISL6118 current sense and limiting circuitry sets the current limit to a nominal 0.6A, which is well suited for the 3.3V AUX ACPI application. The ISL6118 is the ideal companion chip to the HIP1011D and HIP1011E dual PCI hot plug controllers. Together these and the ISL6118 fully control the four legacy PCI voltages (±12V, +3.3V, +5V) and the 3.3V AUX, respectively, for power control of two PCI slots compliant to PCI Bus Power Management Interface Spec Rev 1.1. Designed to be co-located with the HIP1011D on the motherboard, the ISL6118 provides OC fault notification, accurate current limiting and a consistent timed latch-off thus isolating and protecting the voltage bus in the presence of an OC event or short circuit during all PCI Bus Power States as defined by the PCI specification. The 12ms time to latch-off ensures that the system does not experience an overcurrent event during PCI bus power state transitions.

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The ICL3237E is a family of 3.0V to 5.5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Additionally, it provides ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins).

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Intersil ICL32X7E 3V to 5.5V powered RS-232 transmitters (five)/receivers (three) which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Additionally, they provide ±15kV ESD protection (IEC61000-4-2 Air Gap) and ±15kV Human Body Model protection on transmitter outputs and receiver inputs (RS-232 pins).

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This document introduces ICL3207 and ICL3217 two low power RS-232 transceivers, which meet EIA/TIA-232 and V.28/V.24 specifications, even at VCC=3.0V. This series of products are fully compatible with 3.3V, mixed 3.3V and 5.0V and 5.0V systems, and are a lower power, pin-for-pin replacement for '207 and '237 type devices.

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The ISL83387E is an Intersil-developed RS-232 transceiver that operates from 3.0V to 5.5V and meets EIA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. It also provides ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins). Target applications are PDAs, Palmtops, and notebook and laptop computers where low operational, and even lower standby power consumption is critical. Efficient on-chip charge pumps, coupled with manual and enhanced automatic powerdown functions, reduce the standby supply current to a 1µA trickle. TSSOP packaging, and the use of small, low value capacitors also ensure board space savings. Data rates greater than 250kbps are guaranteed at worst case load conditions. The ISL83387E features a VL pin that adjusts the logic pin output levels and input thresholds to values compatible with the VCC powering the external logic (e.g., a UART). This device includes an enhanced automatic powerdown function which powers down the on-chip power-supply and driver circuits. This occurs when all receiver and transmitter inputs detect no signal transitions for a period of 30 seconds. It power back up, automatically, whenever it senses a transition on any transmitter or receiver input. Table 1 summarizes the features of the ISL83387E, while A section provides more details.

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The ISL4270E is an RS-232 transceiver from Intersil with a working voltage range of 3.0-5.5V, ESD protection, and high-efficiency switch-mode power supply and low power consumption. It can be used in notebooks, PDAs and Palmtops.

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ISL83386E is a 3.0V to 5.5V powered RS-232 transmitter/receiver that meets EIA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Target applications are PDAs, palmtops, and cell phones where low operational, and even lower standby, power consumption is critical. Efficient on-chip charge pumps, coupled with a manual powerdown function reduces the standby supply current to a 1µA trickle. Small footprint packaging, and the use of small, low value capacitors ensure board space savings as well. Data rates greater than 250kbps are guaranteed at worst case load conditions. The ISL83386E features a VL pin that adjusts the logic pin (see Pin Descriptions table) output levels and input thresholds to values compatible with the VCC powering the external logic (e.g., a UART). The single pin powerdown function (SHDN = 0) disables all the receiver and transmitter outputs, while shutting down the charge pump to minimize supply current drain. Table 1 summarizes the features of the ISL83386E, while Application Note AN9863 summarizes the features of each device comprising the 3V RS-232 family.

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The ISL4260E is a QFN packaged ±15kV ESD protected, +3V to +5.5V, 150nA, 250kbps RS-232 transmitter/receiver with separate logic supply. It meets ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. It is designed for low power consumption applications such as PDAs, palmtops, and cell phones. The device features efficient on-chip charge pumps and a manual powerdown function to reduce standby supply current to 150nA. The compact 5mm x 5mm QFN packaging and use of small, low value capacitors save board space. It guarantees data rates greater than 250kbps under worst case load conditions. The ISL4260E also includes a VL pin for adjusting logic pin output levels and input thresholds for compatibility with the external logic. The single pin powerdown function (SHDN = 0) disables all receiver and transmitter outputs and shuts down the charge pump to minimize supply current drain.

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The ISL4238E/44E/45E are 2.7V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Additionally, they provide ±15kV ESD protection (IEC6100-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins). Targeted applications are PDAs, Palmtops, and notebook and laptop computers where the low operational, and even lower standby, power consumption is critical. Efficient on- chip charge pumps, coupled with manual and enhanced automatic powerdown functions, reduce the standby supply current to a 10nA trickle. Tiny 5mm x 5mm Quad Flat No- Lead (QFN) packaging and the use of small, low value capacitors ensure board space savings as well. Data rates greater than 250kbps (ISL4238E/44E)/1Mbps (ISL4245E) are guaranteed at worst case load conditions. The ISL424XE are 3 driver, 5 receiver (DTE) devices that, coupled with the QFN package, provide the industry’s smallest, lowest power complete serial port suitable for PDAs, and laptop or notebook computers. The 5x5 QFN requires 60% less board area than a 28 lead TSSOP, and is nearly 20% thinner. The devices also include a noninverting always-active receiver for “wake-up” capability. The ISL4238E is a 5 driver, 3 receiver device optimized for DCE applications.

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Intersil ISL8563E is an ESD protected transmitter/receiver with a working voltage range of +3V to +5.5V. It has low power consumption, efficient charge pumps, and a manual powerdown function.

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The ISL83385E is an Intersil-produced 3.0V to 5.5V powered RS-232 transmitter/receiver that meets EIA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. It is mainly used in PDAs, Palmtops and notebook and laptop computers that require low power consumption. The device employs an efficient on-chip charge pump and a manual power-down function to reduce standby supply current to 1µA. The small footprint packaging and the use of small, low-value capacitors also save board space. Under the worst-case load conditions, data rates greater than 250kbps are guaranteed. This device is fully compatible with 3.3V only systems, mixed 3.3V and 5.0V systems, and 5.0V only systems. The single-pin power-down function (SHDN = 0) disables all the transmitters, while shutting down the charge pump to minimize supply current drain. Table 1 summarizes the features of the ISL83385E, while Application Note AN9863 summarizes the features of each device comprising the 3V RS-232 family.

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The ISL83384E is a ±15kV ESD protected RS-232 transmitter/receiver, with a power supply voltage range of +3V to +5.5V, a current consumption of 1 microamp, and a data transmission rate of 250Kbps. This product is suitable for low power applications such as PDAs, palmtops, and notebook computers, and it features small size, low power consumption, and good compatibility.

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ISL9000AMRNCEP is an enhanced version of the ISL9000AMRNCP and integrates two 100mA high performance LDOs, each channel IOUT is 50mA, TJ = +150°C. It has excellent transient response and can handle large current steps. ±1.8% accuracy under all operating conditions.

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The ISL884xAMBEP is a high-performance Enhanced Product (EP) single-ended current mode PWM controller, suitable for a wide range of power conversion applications including flyback, forward, and boost output configurations. It offers fast signal propagation and output switching characteristics, making it ideal for both existing and new designs. Key features include 30V operation, low operating current, 90µA start-up current, adjustable operating frequency up to 2MHz, and high peak current drive capability with 20ns rise and fall times.

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ISL8560MREP is Intersil's step down DC/DC power switching regulator, which accepts input voltage from 9.0V to 60V and provides 2A output current. The output voltage can be set in the range between 1.21V and 55V by means of an external divider. The device uses an internal power DMOS transistor with a typical rDS(ON) of 0.19Ω to obtain very high efficiency and high switching speed. A switching frequency in the range of 100kHz to 600kHz can be realized (the maximum power dissipation of the various packages must be observed). Notable features of this next generation of DC/DC converter includes pulse-by-pulse current limit for FET protection, hiccup mode for short circuit protection, voltage feedforward regulation, Frequency SYNC, soft-start, low standby current of 60µA typical in the disabled state, and thermal shut-down. The device is available in a 20 Ld QFN package.

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