Datasheet Analog Devices ADP1864 — 数据表

Constant Frequency Current-Mode
Step-Down DC-to-DC Controller in TSOT
ADP1864 Data Sheet
FEATURES GENERAL DESCRIPTION Wide input voltage range: 3.15 V to 14 V
Wide output voltage range: 0.8 V to input voltage
Pin-to-pin compatible with LTC1772, LTC3801
Up to 94% efficiency
0.8 V ± 1.25% reference accuracy over temperature
Internal soft start
100% duty cycle for low dropout voltage
Current-mode operation for good line and load
transient response
7 μA shutdown supply current
235 μA quiescent supply current
Short-circuit and overvoltage protection
Small 6-lead TSOT package
Supported by ADIsimPower™ design tool The ADP1864 is a compact, inexpensive, constant-frequency,
current-mode, step-down dc-to-dc controller. The ADP1864
drives a P-channel MOSFET that regulates an output voltage as
low as 0.8 V with ±1.25% accuracy, for up to 5 A load currents,
from input voltages as high as 14 V.
The ADP1864 provides system flexibility by allowing accurate
setting of the current limit with an external resistor, and the …