p1686 Unisonic Technologies, p1686 Datasheet
p1686
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p1686 Summary of contents
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... REGULATOR DESCRIPTION As a current mode switching regulator with an integrated switch, the UTC P1686 is operating at 600kHz with separate sync and enable functions. In order to avoid frequency beating in noise sensitive applications the sync function allows customers to synchronize to a faster clock. Cost effective low power solutions is considered in the integrated switch ,and so peak switch current 3 amps ...
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... P1686 PIN CONFIGURATION SOP-8 BST GND 4 PIN DESCRIPTION PIN NO. PIN NAME Providing power to the internal NPN switch. To turn on for this switch the lowest voltage is 1 BST 2.7V. This PIN delivers all control and power circuitry’s power, and sees high di/dt during ...
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... P1686 BLOCK DIAGRAM COMP REFERENCE OSCILLATOR SYNC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com. ISEN + PWM I S UVLO SOFT START S Q HICCUP OL R 0.7V FB SLOPE SLOPE COMP FREQUENCY CLK LINEAR INTEGRATED CIRCUIT 40m 1 POWER TRANSISTOR 4 QW-R103-039 GND ...
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... P1686 ABSOLUTE MAXIMUM RATINGS PARAMETER Input Supply Voltage Boost Pin Above V SW Boost Pin Voltage EN Pin Voltage FB Pin Voltage FB Pin Current SYNC Pin Current Junction Temperature Operating Temperature Storage Temperature Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. ...
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... P1686 ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYNC Threshold Voltage SYNC Input Frequency (Note 4) SYNC Pin Resistance Note: 1. The device may not function properly outside its operating input voltage range. 2. The required minimum input voltage for a regulated output depends on the output voltage and load condition ...
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... The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT 0.22u UTC P1686 SYNC COMP GND 3. ...