ISL97516 Intersil Corporation, ISL97516 Datasheet
ISL97516
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ISL97516 Summary of contents
Page 1
... These features along with 1.2MHz switching frequency makes it an ideal device for portable equipment and TFT-LCD displays. The ISL97516 is available MSOP package with a maximum height of 1.1mm. The device is specified for operation over the full -40°C to +85°C temperature range. ...
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... V UVLO On Threshold DD-ON DD HYS V UVLO hyeteresis DD I Soft-Start Charge Current SS OTP Over Temperature Protection 2 ISL97516 = +25°C) Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C +0.3V) Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +135°C DD Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves = 12V 0mA, FSEL = GND, T ...
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... Frequency select pin. When FSEL is set low, switching frequency is set to 620kHz. When connected to high Soft-start control pin. Connect a capacitor to control the converter start-up. Typical Application Circuit R 3 3.9kΩ 4.7nF 3 ISL97516 FSEL EN SHUTDOWN & START-UP OSCILLATOR CONTROL PWM LOGIC CONTROLLER COMPARATOR CURRENT SENSE GM ...
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... FIGURE 3. LOAD REGULATION 12V 0 1.25MHz s 0.7 0.6 V 0.5 f 0.4 0 12V 0 620kHz 200 400 600 I (mA) OUT FIGURE 5. LOAD REGULATION ISL97516 = 1.25 MHz s = 1.25MHz 800 1000 OUT 1.25MHz 620kHz s 0.3 0.2 0.1 800 1000 OUT ...
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... AMBIENT TEMPERATURE (°C) FIGURE 9. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE Applications Information The ISL97516 is a high frequency, high efficiency boost regulator operated at constant frequency PWM mode. The boost converter stores energy from an input voltage source and deliver higher output voltage. The input voltage range is 2 ...
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... I OUT ΔV = -------------------------- - For noise sensitive application, a 0.1µF placed in parallel with the larger output capacitor is recommended to reduce the switching noise coupled from the LX switching node OUT ISL97516 Δ ΔT 2 ΔV O SWITCH OPEN ⎛ ⎞ × ⎜ ⎟ ...
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... SEL 620kHz. When connecting F high or V SEL frequency is set to 1.25MHz. Shutdown Control When the EN pin is pulled down, the ISL97516 is shutdown reducing the supply current to <1µA. 7 ISL97516 Maximum Output Current The MOSFET current limit is nominally 2.0A and guaranteed 1.7A. This restricts the maximum output current, I ...
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... FB Intersil ISL97516 FIGURE 14. CASCADED MOSFET TOPOLOGY FOR HIGH OUTPUT VOLTAGE APPLICATIONS 8 ISL97516 DC PATH BLOCK APPLICATION Note that there path in the boost converter from the A VDD input to the output through the inductor and diode, hence the input voltage will be seen at output with a forward voltage drop of diode before the part is enabled ...
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... 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. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 9 ISL97516 MDP0043 A MINI SO PACKAGE FAMILY ...