ISL85001IRZ Intersil, ISL85001IRZ Datasheet
ISL85001IRZ
Specifications of ISL85001IRZ
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ISL85001IRZ Summary of contents
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... MARKING (°C) ISL85001IRZ 501Z -40 to +85 ISL85001IRZ-T* 501Z -40 to +85 *Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations) ...
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Typical Application Schematic EN PG GND 2 ISL85001 R3 C3 301 100pF 10k 2.2nF 3.16k C1 10pF R2 C5 31k 0.1µF VIN PHASE ISL85001 BOOT VDD FIGURE 1. VIN RANGE FROM 5.5V TO 25V VOUT 5.5V TO ...
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Functional Block Diagram VDD SOFT-START CONTROL 30µ VIN LDO VDD PG 3 ISL85001 VOLTAGE - + MONITOR EA 0.6V RAMP REFERENCE GENERATOR FAULT THERMAL MONITOR MONITOR OSCILLATOR +150°C OC MONITOR VDD POWER-ON RESET MONITOR EPAD GND VDD OC ...
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... Thermal Information Thermal Resistance QFN Package (Notes 1, 2 Ambient Temperature Range .-40°C to +85°C Junction Temperature Range .-40°C to +125°C Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp SYMBOL TEST CONDITIONS VIN VIN connected to VDD I (Note 3) ...
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Electrical Specifications Typical Specifications are Measured at the Following Conditions: T and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER ENABLE SECTION EN Threshold EN Logic ...
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Pin Descriptions FB (Pin 1) and COMP (Pin 2) The standard buck regulator employs a single voltage control loop the negative input to the voltage loop error amplifier. COMP is the output of the error amplifier. The output ...
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Typical Performance Curves 1.0 0.9 0.8 3.3V 0.7 1.8V OUT 0.6 2.5V OUT 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.2 0.4 0.6 OUTPUT LOAD (A) FIGURE 2. EFFICIENCY vs LOAD, 500kHz, 5V 1.0 0.9 0.8 0.7 0.6 0.5 1.2V ...
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Typical Performance Curves 1.814 1.813 12V IN 25V IN 1.812 1.811 1.810 1.809 1.808 5V IN 1.807 1.806 0.0 0.2 0.4 OUTPUT LOAD (A) FIGURE 8. V REGULATION vs LOAD, 500kHz, 1.8V OUT 3.330 3.328 12V IN 25V 3.326 IN ...
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Typical Performance Curves PHASE 10V/DIV V RIPPLE OUT 100mV/DIV I 0.5A/DIV L FIGURE 14. LOAD TRANSIENT (200µs/DIV) EN 5V/DIV V OUT I L 2V/DIV FIGURE 16. SOFT-START AT FULL LOAD (2ms/DIV) PHASE 10V/DIV V OUT 1V/DIV I 1A/DIV L PG ...
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Detailed Description The ISL85001 combines a standard buck PWM controller with an integrated switching MOSFET. The buck controller drives an internal N-Channel MOSFET and requires an external diode to deliver load current up to 1A. A Schottky diode is recommended ...
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Output Voltage Selection The regulator output voltages can be programmed using external resistor dividers that scale the voltage feedback relative to the internal reference voltage. The scaled voltage is fed back to the inverting input of the error amplifier; refer ...
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These requirements are generally met with a mix of capacitors and careful layout. Embedded processor systems are capable of producing transient load rates above 1A/ns. High frequency capacitors initially supply the transient and slow the current load ...
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Some capacitor series available from reputable manufacturers are surge current tested. DRIVER OSC PWM COMPARATOR - ΔV + OSC E REFERENCE ERROR ...
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... A more detailed explanation of voltage mode control of a buck regulator can be found in TB417, entitled “Designing Stable Compensation Networks for Single Phase Voltage Mode Buck Regulators.” http://www.intersil.com/data/tb/tb417.pdf Layout Considerations Layout is very important in high frequency switching converter design. With power devices switching efficiently ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...