AN2815 datasheet(5/42 Pages) STMICROELECTRONICS

Part #	AN2815

Description	High-efficiency step-down controller

PDF	42 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

5 / 42 page

AN2815

Main features

5/42

Main features

1.1

Switching section

●

4.5 V to 36 V input voltage range

●

0.6 V, ±1% voltage reference

●

1.5 V fixed output voltage

●

0.6 V to 3.3 V adjustable output voltage

●

1.237 V ±1% reference voltage available

●

Very fast load transient response constant on-time loop control

●

No-RSENSE current sensing using low-side MOSFETs' RDS(on)

●

Negative current limit

●

Latched OVP, UVP and thermal shutdown

●

Fixed 3 ms soft-start

●

Selectable pulse-skipping at light load

●

Selectable non-audible (33 kHz) pulse-skip mode

●

All ceramic output capacitor applications supported

●

Output voltage ripple compensation

●

Output soft-end

1.2

LDO section

●

0.6 V to 3.3 V adjustable output voltage

●

Selectable ±1 A or ±2 A current limit

●

Dedicated Power Good signal

●

Ceramic output capacitors supported

●

Output soft-end

AN2815 Datasheet(PDF) 5 Page - STMicroelectronics

AN2815 Datasheet(HTML) 5 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Datasheet Download

Link URL