Datasheet LTC3410 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 |
| Seiten / Seite | 16 / 6 — PI FU CTIO S. RUN (Pin 1):. VIN (Pin 4):. FB (Pin 6 Adjustable Version … |
| Dateiformat / Größe | PDF / 340 Kb |
| Dokumentensprache | Englisch |
PI FU CTIO S. RUN (Pin 1):. VIN (Pin 4):. FB (Pin 6 Adjustable Version ):. GND (Pins 2, 5):. SW (Pin 3):
Modelllinie für dieses Datenblatt
- LTC3410ESC6#PBF LTC3410ESC6#TRMPBF LTC3410ESC6#TRPBF LTC3410ESC6-1.2#PBF LTC3410ESC6-1.2#TRMPBF LTC3410ESC6-1.2#TRPBF LTC3410ESC6-1.5#PBF LTC3410ESC6-1.5#TRMPBF LTC3410ESC6-1.5#TRPBF LTC3410ESC6-1.65#PBF LTC3410ESC6-1.65#TRMPBF LTC3410ESC6-1.65#TRPBF LTC3410ESC6-1.8#PBF LTC3410ESC6-1.8#TRMPBF LTC3410ESC6-1.8#TRPBF
Textversion des Dokuments
LTC3410
U U U PI FU CTIO S RUN (Pin 1):
Run Control Input. Forcing this pin above
VIN (Pin 4):
Main Supply Pin. Must be closely decoupled 1.5V enables the part. Forcing this pin below 0.3V shuts to GND, Pin 2, with a 2.2µF or greater ceramic capacitor. down the device. In shutdown, all functions are disabled
V
drawing <1µA supply current. Do not leave RUN floating.
FB (Pin 6 Adjustable Version ):
Feedback Pin. Receives the feedback voltage from an external resistive divider
GND (Pins 2, 5):
Ground Pin. across the output.
SW (Pin 3):
Switch Node Connection to Inductor. This pin
VOUT (Pin 6 Fixed Voltage Versions):
Output Voltage connects to the drains of the internal main and synchro- Feedback Pin. An internal resistive divider divides the nous power MOSFET switches. output voltage down for comparison to the internal refer- ence voltage.
U U W FU CTIO AL DIAGRA
SLOPE COMP 0.65V OSC OSC FREQ 4 VIN SHIFT – VFB/VOUT + – EN 6 SLEEP + 0.8V 5Ω R1* 0.4V + – + I – EA COMP BURST R2 S Q 240k R Q SWITCHING V RS LATCH IN LOGIC AND ANTI- SHOOT- RUN BLANKING CIRCUIT THRU 3 SW 1 0.8V REF + SHUTDOWN I 5 RCMP – V 2 GND *R1 = 240k OUT – 1 ( ) 3410 BD 0.8 3410fb 6
U U U PI FU CTIO S RUN (Pin 1):
Run Control Input. Forcing this pin above
VIN (Pin 4):
Main Supply Pin. Must be closely decoupled 1.5V enables the part. Forcing this pin below 0.3V shuts to GND, Pin 2, with a 2.2µF or greater ceramic capacitor. down the device. In shutdown, all functions are disabled
V
drawing <1µA supply current. Do not leave RUN floating.
FB (Pin 6 Adjustable Version ):
Feedback Pin. Receives the feedback voltage from an external resistive divider
GND (Pins 2, 5):
Ground Pin. across the output.
SW (Pin 3):
Switch Node Connection to Inductor. This pin
VOUT (Pin 6 Fixed Voltage Versions):
Output Voltage connects to the drains of the internal main and synchro- Feedback Pin. An internal resistive divider divides the nous power MOSFET switches. output voltage down for comparison to the internal refer- ence voltage.
U U W FU CTIO AL DIAGRA
SLOPE COMP 0.65V OSC OSC FREQ 4 VIN SHIFT – VFB/VOUT + – EN 6 SLEEP + 0.8V 5Ω R1* 0.4V + – + I – EA COMP BURST R2 S Q 240k R Q SWITCHING V RS LATCH IN LOGIC AND ANTI- SHOOT- RUN BLANKING CIRCUIT THRU 3 SW 1 0.8V REF + SHUTDOWN I 5 RCMP – V 2 GND *R1 = 240k OUT – 1 ( ) 3410 BD 0.8 3410fb 6