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SMB113A Arkusz danych(PDF) 6 Page - Summit Microelectronics, Inc. |
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SMB113A Arkusz danych(HTML) 6 Page - Summit Microelectronics, Inc. |
6 / 32 page SMB113A/B/SMB117/A Preliminary Information Summit Microelectronics, Inc 2111 2.6 9/16/2010 6 PIN DESCRIPTION Pin Number Pin Type Pin Name Pin Description 14 IN VM_CH1 The VM_CH1 (Channel 1 Voltage Monitor) pin connects the channel 1 step-down controller output. Internally the VM_CH1 pin connects to an internal programmable resistor divider. 15 CAP VDD_CAP The VDD_CAP (VDD Capacitor) pin is an external capacitor input used to filter the internal supply. 16 PWR VBATT Power supply to part. 17 OUT LSDRV_CH2 The LSDRV_CH2 (Channel 2 Low-side Driver) pin is the lower switching node of the channel 2 synchronous step-down buck controller. Attaches to the gate of n-channel MOSFET. 18 PWR HVSUP2 Channel 2 High Voltage Supply for Channel 2 buck driver. 19 OUT HSDRV_CH2 The HSDRV_CH2 (Channel 2 High-side Driver) pin is the upper switching node of the channel 2 synchronous step-down buck controller. Attach to the gate of p-channel MOSFET. A delay exists between the assertion of HSDRV_CH2 and assertion of LSDRV_CH2 to prevent excessive current flow during switching. 20 IN COMP2_CH2 The COMP2_CH2 (Channel 2 secondary Compensation) pin is the secondary compensation input of the channel 2 step-down buck controller. 21 IN COMP1_CH2 The COMP1_CH2 (Channel 2 primary Compensation) pin is the primary compensation input of the channel 2 step-down buck controller. Each pin is internally connected to a programmable resistor divider. 22 IN VM_CH2 The VM_CH2 (Channel 2 Voltage Monitor) pin connects the channel 6 step-down controller output. Internally the VM_CH2 pin connects to an internal programmable resistor divider. 23 OUT LSDRV_CH3 The LSDRV_CH3 (Channel 3 Low-side Driver) pin is the lower switching node of the channel 3 synchronous step-down buck controller. Attaches to the gate of n-channel MOSFET. 24 PWR HVSUP3 Channel 3 High Voltage Supply for Channel 3 buck driver. 25 OUT HSDRV_CH3 The HSDRV_CH3 (Channel 3 High-side Driver) pin is the upper switching node of the channel 3 synchronous step-down buck controller. Attach to the gate of p-channel MOSFET. A delay exists between the assertion of HSDRV_CH3 and assertion of LSDRV_CH3 to prevent excessive current flow during switching. 26 IN PWREN The PWREN (Power Enable) pin is a programmable input used to enable (disable) selected supplies. This pin can also be programmed to latch and act as a debounced, manual push button input. Active high when level triggered, active low when used as a push- button input. When unused this pin should be tied to a solid logic level. 27 IN COMP2_CH3 The COMP2_CH3 (Channel 3 secondary Compensation) pin is the secondary compensation input of the channel 3 step-down buck controller. 28 IN COMP1_CH3 The COMP1_CH3 (Channel 3 primary Compensation) pin is the primary compensation input of the channel 3 step-down buck controller. Each pin is internally connected to a programmable resistor divider. |
Podobny numer części - SMB113A_10 |
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Podobny opis - SMB113A_10 |
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