APW7176 データシートの表示（PDF） - Anpec Electronics

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APW7176

Dual 1.5MHz, 1A Synchronous Step-Down Converter

Anpec Electronics 

APW7176

Absolute Maximum Ratings (Note 1)

Symbol

Parameter

Rating

Unit

VIN1/IN2

VFB1/FB2

VEN1/EN2

VSW1/SW2

Input Supply Voltage (IN1/IN2 to GND1/GND2)

Voltage on FB1 and FB2 (FB1/FB2 to GND1/GND2)

Voltage on EN1 and EN2 (EN1/EN2 to GND1/GND2)

Voltage on SW1 and SW2 (SW1/SW2 to GND1/GND2)

-0.3 ~ 6

V

-0.3 ~ VIN1/IN2+0.3

V

-0.3 ~ VIN1/IN2+0.3

V

-0.3 ~ VIN1/IN2+0.3

V

ISW_PEAK

PD

TJ

Peak SW Current

Maximum Power Dissipation (TA=25oC)

Maximum Junction Temperature

1.8

A

2

W

150

°C

TSTG

Storage Temperature Range

-65 ~ 150

°C

TSDR

Maximum Lead Soldering Temperature, 10 Seconds

260

°C

Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

Thermal Characteristics

Symbol

θJA

θJC

Parameter

Junction-to-Ambient Resistance in Free Air (Note 2)

Junction-to-Case Resistance in Free Air

TDFN3x3-10

TDFN3x3-10

Typical Value

50

12

Unit

°C/W

Note 2: θJA is measured on with the device mounted the PCB with top-layer pad of approximate 1” square of 1 oz copper.

Recommended Operating Conditions

Symbol

Parameter

VIN1/IN2

R2/R4

Input Supply Voltage (IN1/IN2 to GND1/GND2)

Feedback Resistance (Note 3)

IOUT

Output Current

TA

Operating Ambient Temperature

TJ

Operating Junction Temperature

Note 3: Please refer to the typical application circuit.

Range

Unit

2.7 ~ 5.5

V

~ 300

kΩ

0~1

A

-40 ~ 85

°C

-40 ~ 125

°C

Electrical Characteristics

The denotes the specifications that apply over VIN=3.6V and TA =25°C, unless otherwise specifications.

Symbol

Parameter

Test Conditions

APW7176

Min. Typ. Max.

VIN1/IN2

Each Converter Input Voltage Range

2.7

-

5.5

IFB1/FB2

FB1/FB2 Input Current

VFB1/FB2=0.6V

-30

-

30

VREF1/REF2 Each Converter Reference Voltage

IOUT=0mA~1A

0.588 0.6 0.612

∆VREF1/REF2

Each Converter Reference Voltage Line

Regulation

-40oC≤TA≤85 oC

-

0.04

-

IPK

Each Converter Peak Inductor Current

VIN1/IN2=3.3V, VFB=0.5V or

VOUT=90%, Duty cycle < 35%

1.4

1.6

-

Unit

V

nA

V

%/V

A

Copyright © ANPEC Electronics Corp.

2

Rev. A.1 - Mar., 2011

www.anpec.com.tw

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