AOZ1015 查看數據表（PDF） - Alpha and Omega Semiconductor

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AOZ1015

EZBuck™ 1.5A Synchronous Buck Regulator

Alpha and Omega Semiconductor 

Block Diagram

AOZ1015

VIN

EN

UVLO

5V LDO

Internal

OTP

& POR

Regulator

+5V

Reference

& Bias

Softstart

ILimit

+

ISen

–

0.8V

FB

COMP

+

EAmp

–

+

– PWM

Comp

+

PWM

Control

Logic

Level

Shifter

+

FET

Driver

0.2V

0.96V

Frequency

Foldback

+ Comparator

–

Over Voltage

Protection

+ Comparator

–

500kHz/63kHz

Oscillator

AGND

Q1

LX

PGND

Absolute Maximum Ratings

Exceeding the Absolute Maximum ratings may damage the

device.

Parameter

Rating

Supply Voltage (VIN)

LX to AGND

EN to AGND

FB to AGND

COMP to AGND

PGND to AGND

Junction Temperature (TJ)

Storage Temperature (TS)

ESD Rating(1)

Human Body Model

Machine Model

18V

-0.7V to VIN+0.3V

-0.3V to VIN+0.3V

-0.3V to 6V

-0.3V to 6V

-0.3V to +0.3V

+150°C

-65°C to +150°C

2kV

200V

Recommend Operating Ratings

The device is not guaranteed to operate beyond the Maximum

Operating Ratings.

Parameter

Rating

Supply Voltage (VIN)

Output Voltage Range

Ambient Temperature (TA)

Package Thermal Resistance SO-8

(ΘJA)(2)

4.5V to 16V

0.8V to VIN

-40°C to +85°C

87°C/W

Note:

2. The value of ΘJA is measured with the device mounted on 1-in2 FR-4

board with 2oz. Copper, in a still air environment with TA = 25°C. The

value in any given application depends on the user’s specific board

design.

Note:

1. Devices are inherently ESD sensitive, handling precautions are

required. Human body model rating: 1.5kΩ in series with 100pF.

The machine model is a 200pF capacitor discharged directly into

each pin.

Rev. 1.2 September 2007

www.aosmd.com

Page 3 of 15

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