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L6926 Datasheet(PDF) 2 Page - STMicroelectronics |
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L6926 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 11 page L6926 2/11 Table 2. Absolute Maximum Ratings Figure 3. Pin Connection Table 3. Thermal Data Table 4. Pin Functions Symbol Parameter Value Unit V6 Input voltage -0.3 to 6 V V5 Output switching voltage -1 to VCC V V1 Shutdown -0.3 to VCC V V3 Feedback voltage -0.3 to VCC V V2 Error amplifier output voltage -0.3 to VCC V V8 PGOOD -0.3 to VCC V V7 Synchronization mode selector -0.3 to VCC V Ptot Power dissipation at Tamb=70 °C0.45 W Tj Junction operating temperature range -40 to 150 °C Tstg Storage temperature range -65 to 150 °C LX Pin Maximum Withstanding Voltage Range Test Condition: CDF- AEC-Q100-002- “Human Body Model” Acceptance Criteria: “Normal Performance’ ±1000 V Other pins ±2000 V Symbol Parameter Value Unit Rth j-amb Thermal Resistance Junction to Ambient 180 °C/W N Name Description 1 RUN Shutdown input. When connected to a low level (lower than 0.4V) the device stops working. When high (higher than 1.3V) the device is enabled. 2 COMP Error amplifier output. A compensation network has to be connected to this pin. Usually a 220pF capacitor is enough to guarantee the loop stability. 3 VFB Error amplifier inverting input. The output voltage can be adjusted from 0.6V up to the input voltage by connecting this pin to an external resistor divider. 4 GND Ground. 5 LX Switch output node. This pin is internally connected to the drain of the internal switches. 6 VCC Input voltage. The start up input voltage is 2.2V (typ) while the operating input voltage range is from 2V to 5.5V. An internal UVLO circuit realizes a 100mV (typ.) hysteresis. RUN COMP VFB GND 1 3 2 4LX VCC SYNC PGOOD 8 7 6 5 D01IN1239AMOD |
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