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MC34704 Datenblatt(PDF) 7 Page - Freescale Semiconductor, Inc |
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MC34704 Datenblatt(HTML) 7 Page - Freescale Semiconductor, Inc |
7 / 49 page Analog Integrated Circuit Device Data Freescale Semiconductor 7 34704 PIN CONNECTIONS 46 A/B PVIN2 Power REG2 power supply input voltage This is the connection to the drain of the high side switch FET. Input decoupling /filtering is required for proper REG2 operation. 47 A/B SW2D Input/Output REG2 Buck Stage switching node The inductor is connected between this pin and the SW2U pin. 48 A/B VOUT2 Output REG2 regulated output voltage pin Connect this pin to the load and to the output filter as close to the pin as possible. 49 A/B SW2U Input/Output REG2 Boost Stage switching node The inductor is connected between this pin and the SW2D pin. 50 A/B SW5U Input/Output REG5 Boost Stage switching node The inductor is connected between this pin and the SW5D pin. 51 A/B VOUT5 Output REG5 regulated output voltage pin Connect this pin to the load and to the output filter as close to the pin as possible. 52 A/B SW5D Input/Output REG5 Buck Stage switching node The inductor is connected between this pin and the SW5U pin. 53 A/B PVIN5 Power REG5 power supply input voltage This is the connection to the drain of the high side switch FET. Input decoupling /filtering is required for proper REG5 operation. 54 A/B BT5D Passive REG5 Buck Stage bootstrap capacitor input pin Connect a 1 μF capacitor between this pin and SW5D pin to enhance the gate of the Switch Power MOSFET. 55 A/B FB5 Input REG5 voltage feedback input for voltage regulation/programming Connect the feedback resistor divider to this pin. 56 A/B COMP5 Passive REG5 compensation network connection REG5 compensation network connection. Exposed Pad A/B PGND Ground Power Ground Connection for all of the regulators except REG7 Power Ground Connection for all of the regulators except REG7. This pad is provided to enhance thermal performance. Table 2. 34704 Pin Definitions (continued) A functional description of each pin can be found in the Functional Pin Description section beginning on page 17. Pin Number Device Pin Name Pin Function Formal Name Definition |
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Ähnliche Beschreibung - MC34704 |
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