Datasheet Linear Technology LT3686AHMSE#PBF — 数据表

LT3686A
37V/1.2A Step-Down
Regulator in 3mm × 3mm DFN
and MSE
Description Features Wide Input Range: Operation from 3.6V to 37V Overvoltage Lockout Protects Circuit Through 60V Transients
■ Low Minimum On-Time: Converts 16VIN to 3.3VOUT at 2MHz
■ 1.2A Output Current
■ Adjustable Frequency: 300kHz to 2.5MHz
■ Constant Switching Frequency at Light Loads
■ Can Be Synchronized to External Clock
■ Tracking and Soft-Start
■ Precision UVLO
■ Short-Circuit Robust
■ I in Shutdown 0.8V, BD < 6V 100 110 150 200 Switch VCESAT ISW = 1.2A 680 Switch Current Limit (Note 3) 0.3
1.9 Minimum Off Time ● Switch Active Current 1.9
1.85 SW = 10V (Note 4)
SW = 0V (Note 5) 2.6
2.65 A
A 400
20 600
30 µA
µA BOOST Pin Current ISW = 1.2A 20 ISW = 1.2A 2.2 Max BD Pin Active Load Current SYNC/MODE > 0.8V, BD < 6V 30 40 6 6.5 ● 1.2 1.7 ● 0.8 BD Pin Voltage to Disable Active Load ● DA Pin Current to Stop OSC
SYNC/MODE High …