Datasheet LTM4645 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 25A DC/DC Step-Down µModule Regulator |
| Seiten / Seite | 34 / 8 — pin FuncTions V. OSNS (G5):. OSNS (G6):. COMPb (H7):. PGOOD (G7):. VOUT … |
| Dateiformat / Größe | PDF / 707 Kb |
| Dokumentensprache | Englisch |
pin FuncTions V. OSNS (G5):. OSNS (G6):. COMPb (H7):. PGOOD (G7):. VOUT (J1-J4, K1-K4, L1-L7):. COMPa (H6):. TEMP+ (F1):. TEMP– (E1):
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LTM4645
pin FuncTions V – OSNS (G5):
Input to the Remote Sense Amplifier. This connect an R-C compensation network from COMPa to pin connects to the ground remote sense point at the SGND. Tie COMPa pins together in parallel operation. See output load. the Applications Information section.
V + OSNS (G6):
Input to the Remote Sense Amplifier. In-
COMPb (H7):
Internal Loop Compensation Networks. Tie to ternally, this pin is connected to VFB with a 60.4k 0.5% COMPa to provide internal loop compensation for majority precision resistor. of applications. Float this pin if internal loop compensation
PGOOD (G7):
Output Voltage Power Good Indicator. not used. See COMPa description. Open-drain logic output that is pulled to ground when the
VOUT (J1-J4, K1-K4, L1-L7):
Power Output Pins. Apply output voltage is not within ±7.5% of the regulation point. output load between these pins and GND pins. Recommend
COMPa (H6):
Current Control Threshold and Error Am- placing output decoupling capacitance directly between plifier Compensation Point. The current comparator these pins and GND pins. See Table 1. threshold increases with this control voltage. Small filter
TEMP+ (F1):
Temperature Monitor. An internal diode con- capacitor (10pF) internal to LTM4645 on this pin provides nected PNP transistor. See the Applications Information good noise rejection in the control loop. Tie to COMPb section. pin to use internal compensation in the vast majority of
TEMP– (E1):
Low Side of the Internal Temperature Monitor. applications. Whereas, when more specialized applica- tions require an optimization of control loop response, 4645f 8 For more information www.linear.com/LTM4645 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Design Resources Related Parts
pin FuncTions V – OSNS (G5):
Input to the Remote Sense Amplifier. This connect an R-C compensation network from COMPa to pin connects to the ground remote sense point at the SGND. Tie COMPa pins together in parallel operation. See output load. the Applications Information section.
V + OSNS (G6):
Input to the Remote Sense Amplifier. In-
COMPb (H7):
Internal Loop Compensation Networks. Tie to ternally, this pin is connected to VFB with a 60.4k 0.5% COMPa to provide internal loop compensation for majority precision resistor. of applications. Float this pin if internal loop compensation
PGOOD (G7):
Output Voltage Power Good Indicator. not used. See COMPa description. Open-drain logic output that is pulled to ground when the
VOUT (J1-J4, K1-K4, L1-L7):
Power Output Pins. Apply output voltage is not within ±7.5% of the regulation point. output load between these pins and GND pins. Recommend
COMPa (H6):
Current Control Threshold and Error Am- placing output decoupling capacitance directly between plifier Compensation Point. The current comparator these pins and GND pins. See Table 1. threshold increases with this control voltage. Small filter
TEMP+ (F1):
Temperature Monitor. An internal diode con- capacitor (10pF) internal to LTM4645 on this pin provides nected PNP transistor. See the Applications Information good noise rejection in the control loop. Tie to COMPb section. pin to use internal compensation in the vast majority of
TEMP– (E1):
Low Side of the Internal Temperature Monitor. applications. Whereas, when more specialized applica- tions require an optimization of control loop response, 4645f 8 For more information www.linear.com/LTM4645 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Design Resources Related Parts