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ISL78233ARZ Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL78233ARZ Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 18 page ISL78233, ISL78234 6 FN8359.5 April 23, 2015 Submit Document Feedback Negative Current Limit INLIMIT TA = +25°C -5.1 -2.8 -1.3 A TA = -40°C to +125°C -6.0 -0.6 A COMPENSATION Error Amplifier Transconductance COMP = VDD, Internal compensation 125 µA/V External compensation 130 µA/V Transresistance RT 4A application 0.145 0.2 0.25 Ω PHASE P-Channel MOSFET ON-resistance VIN = 5V, IO = 200mA 26 35 50 mΩ VIN = 2.7V, IO = 200mA 38 52 78 mΩ N-Channel MOSFET ON-resistance VIN = 5V, IO = 200mA 5 11 20 mΩ VIN = 2.7V, IO = 200mA 8 15 31 mΩ PHASE Maximum Duty Cycle 100 % PHASE Minimum On-time SYNC = High 100 ns OSCILLATOR Nominal Switching Frequency fSW FS = VIN 1700 2000 2350 kHz FS with RS = 402kΩ 420 kHz FS with RS = 42.2kΩ 4200 kHz SYNC Logic Low-to-high Transition Range 0.67 0.75 0.84 V SYNC Hysteresis 0.17 V SYNC Logic Input Leakage Current VIN = 3.6V 3.7 5 µA PG Output Low Voltage IPG = 1mA 0.3 V Delay Time (Rising Edge) Time from VOUT reached regulation 0.5 1 2 ms PG Pin Leakage Current PG = VIN 0.01 0.1 µA OVP PG Rising Threshold 0.80 V UVP PG Rising Threshold 80 86 90 % UVP PG Hysteresis 5.5 % PGOOD Delay Time (Falling Edge) 6.5 µs EN Logic Input Low 0.4 V Logic Input High 0.9 V EN Logic Input Leakage Current Pulled up to 3.6V 0.1 1 µA Thermal Shutdown Temperature Rising 150 °C Thermal Shutdown Hysteresis Temperature Falling 25 °C NOTE: 6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. Electrical Specifications Unless otherwise noted, all parameter limits are established over the recommended operating conditions and the typical specification are measured at the following conditions: TA = -40°C to +125°C, VIN = 3.6V, EN = VIN, unless otherwise noted. Typical values are at TA = +25°C. Boldface limits apply across the operating temperature range, -40°C to +125°C. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 6)TYP MAX (Note 6)UNITS |
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