ISL6442IA Intersil, ISL6442IA Datasheet
ISL6442IA
Specifications of ISL6442IA
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ISL6442IA Summary of contents
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... NUMBER PART TEMP. (Note) MARKING RANGE (°C) ISL6442IAZ* ISL 6442IAZ -40 to +85 *Add “-TK” suffix for tape and reel. 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 ...
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Block Diagram REFERENCE BIAS CURRENT 30µA 100µA 0.6V COMP1 FB1 0.6V VCC5 VCC5 30µA 30µA SS1/EN1 SS2/EN2 0.6V FB2 COMP2 RT PGOOD SGND 2 ISL6442 VCC VCC POWER ON 5V LINEAR RESET REGULATOR AND CONTROL FAULT1 UVP1 OVP1 PG1 EN1 ...
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Typical Application Schematics VOLTAGE INPUTS REQUIRED VIN (4.5V TO 24V) = VIN1 = VIN2 VCC (5V; INTERNAL IF VIN > 5.6V) VIN3 (≤ VCC) FOR LINEAR TYPE3 COMPENSATION SHOWN C 102 R C 102 R 101 VOUT1 R C 103 ...
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... Maximum Junction Temperature (Plastic Package).-55°C to +150°C Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C Pb-Free Reflow Profile .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±10% VIN Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V to 24V TEST CONDITIONS VIN = 5.5V or 12V ...
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Electrical Specifications Operating Conditions Unless Otherwise Noted: VIN = 12V values are at +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. ...
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Electrical Specifications Operating Conditions Unless Otherwise Noted: VIN = 12V values are at +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. ...
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Pin Descriptions BOOT1, 2 (Pins 23, 14) - These pins power the upper MOSFET drivers of each PWM converter. The anode of the each internal bootstrap diode is connected to the VCC pin. The cathode of the bootstrap diode is ...
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Then both 30µA current sources will start charging up both capacitors in parallel. Once the voltage on both of these pins is above 1.0V, this internal switch is turned off and each 30µA internal current source charges its corresponding ...
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Figure 8 shows pre-biased outputs before soft-start. The solid blue curve shows no pre-bias; the output starts ramping from GND. The magenta dotted line shows the output pre-biased to a voltage less than the final output. The FETs don’t turn ...
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RT (kΩ) FIGURE 10. FREQUENCY vs RT RESISTOR Output Regulation Figure 11 shows the generic feedback resistor circuit for any of the three V ’s; the ...
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UVP - (Function independent for both PWM). If the voltage on the FB pin falls to 82% (typical) of the reference voltage for 8 consecutive PWM cycles, then the circuit enters into soft-start hiccup mode. This mode is identical to ...
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High frequency decoupling capacitors should be placed as close to the power pins of the load as physically possible. Be careful not to add inductance in the circuit board wiring that could cancel the usefulness of these low inductance components. ...
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COMP - FB + E/A VREF OSCILLATOR V OSC PWM CIRCUIT UGATE HALF-BRIDGE DRIVE PHASE LGATE ISL6442 EXTERNAL CIRCUIT FIGURE 14. VOLTAGE-MODE BUCK CONVERTER COMPENSATION DESIGN The modulator transfer function is the small-signal transfer function of V ...
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COMPENSATION BREAK FREQUENCY EQUATIONS 1 F ------------------------------- - = ⋅ ⋅ Z1 2π -------------------------------------------------- - F = ⋅ ⋅ Z2 2π ---------------------------------------------- - = ⋅ ⋅ ...
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Q300 R307 LCDR R300 C300 LCFB R301 R302 FIGURE 16. LINEAR COMPENSATION COMPONENTS Strategy 1. The output capacitor of the linear regulator circuit must be chosen such that the ESR Zero is less than 200kHz: < F 200kHz Z1 2. ...
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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 ...