Datasheet.kr   

AAT2784 데이터시트 PDF




Advanced Analogic Technologies에서 제조한 전자 부품 AAT2784은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AAT2784 자료 제공

부품번호 AAT2784 기능
기능 3-Channel Step-Down DC/DC Converter
제조업체 Advanced Analogic Technologies
로고 Advanced Analogic Technologies 로고


AAT2784 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




전체 21 페이지수

미리보기를 사용할 수 없습니다

AAT2784 데이터시트, 핀배열, 회로
SystemPowerTM
PRODUCT DATASHEET
AAT2784
3-Channel Step-Down DC/DC Converter
General Description
The AAT2784 is a 3-channel 1.8MHz step-down con-
verter for applications where power efficiency and solu-
tion size are critical. The input voltage range is 2.7V to
5.5V and the outputs are adjustable from 0.6V to VIN.
Channel 3 delivers up to 1.5A output current and chan-
nels 1 and 2 deliver up to 300mA each. The AAT2784
uses a high switching frequency to minimize the size of
external components. The AAT2784 requires a minimum
of external components to realize a high efficiency triple-
output buck converter minimizing solution cost and PCB
footprint.
Each of the 3 regulators has an independent enable pin,
adjustable output voltage and operates with low no load
quiescent current, providing high efficiency over the
entire load range.
The AAT2784 is available in a Pb-free 16 pin TDFN34
package, and is rated over the -40°C to +85°C operating
temperature range.
Typical Application
Features
• VIN Range: 2.7 to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current:
Channel 3: 1.5A
Channel 1: 300mA
Channel 2: 300mA
• Highly Efficient Step-Down Converters
• Low RDS(ON) Integrated Power Switches
• 100% Duty Cycle
• 1.8 MHz Switching Frequency
• Internal Soft Start
• Fast 150μs Turn-On Time
• Over-Temperature Protection
• Current Limit Protection
• TDFN34-16 Package
• -40°C to 85°C Temperature Range
Applications
• Cellular and Smart Phones
• Digital Cameras
• Handheld Instruments
• Mass Storage Systems
• Microprocessor / DSP Core / IO Power
• PDAs and Handheld Computers
• Portable Media Players
• USB Devices
• Wireless LAN
VIN : 2.7 – 5.5V
C1
10μF
C2
10μF
AAT2784
LX1
IN
FB1
VP 1_ 2
EN 1
LX 2
FB2
L1
4.7μH
L2
4.7μH
EN2
PGND
VP3
EN 3
AGND
LX3
FB3
PGND
L3
1.5μH
VOUT1: 3.3V
300mA
R1
267 k
VOUT2: 3.3V
300mA
R2
59.0k
C3
4. 7μF
R3
267k
R4
59.0k
C4
4.7μF
VOUT3: 1.2V
1.5A
R5
59 . 0k
R6
59 . 0k
C5
10μF
2784.2007.11.1.1
www.analogictech.com
1




AAT2784 pdf, 반도체, 판매, 대치품
SystemPowerTM
PRODUCT DATASHEET
AAT2784
3-Channel Step-Down DC/DC Converter
Electrical Characteristics1
VIN = VP = 3.6V; TA = -40°C to 85°C, unless noted otherwise. Typical values are at TA = 25°C.
Symbol
VIN
VOUT
VOUT
IQ1,2
IQ3
ISHDN
ILX_LEAK
ILX_LEAK
IFB
ILIM1,2
ILIM3
RDS(ON)H1,2
RDS(ON)L1,2
RDS(ON)H3
RDS(ON)L3
ΔVLOADREG
ΔVLINEREG
FOSC1,2
FOSC3
TS
TSD
THYS
VIL
VIH
IEN
Description
Input Voltage
Output Voltage Tolerance
Output Voltage Range
Quiescent Current Channels 1, 2
Quiescent Current Channel 3
Shutdown Current
LX Reverse Leakage Current
LX Leakage Current
Feedback Leakage
P-Channel Current Limit
P-Channel Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
High Side Switch On-Resistance
Low Side Switch On-Resistance
Load Regulation
Line Regulation
Oscillator Frequency Channels 1, 2
Oscillator Frequency Channel 3
Start-Up Time
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Enable Input Current
Conditions
IOUT1 = 0 to 1.5A; IOUT2,3 = 0 to 300mA;
VIN = 2.7 to 5.5V
Per Channel, No Load
No Load
VEN1 = VEN2 = VEN3 = GND
VIN Open, VLX= 5.5V; VEN = 0V
VIN = 5.5V, VLX = 0 to VIN
VFB = 1.0V
Min
2.7
-3.0
0.6
ILOAD1,2 = 0 to 300 mA; ILOAD3 = 0 to 1.5A
VIN = 2.7 to 5.5V
From Enable to Output Regulation
VIN = VEN = 5.5V
1.4
-1.0
Typ
50
45
1.8
3.81
480
400
150
120
0.8
0.5
1.8
1.8
150
140
15
Max
5.5
3.0
VIN
100
90
1.0
1.0
1.0
0.2
0.6
1.0
Units
V
%
V
μA
μA
μA
μA
μA
μA
A
A
mΩ
mΩ
mΩ
mΩ
%
%
MHz
MHz
μs
°C
°C
V
V
μA
1. The AAT2784 is guaranteed to meet performance specifications over the –40 C to +85 C operating temperature range, and is assured by design, characterization and correla-
tion with statistical process controls.
4
www.analogictech.com
2784.2007.11.1.1

4페이지










AAT2784 전자부품, 판매, 대치품
SystemPowerTM
Typical Characteristics
Load Transient
(Channels 1 and 2; VIN = 3.6V;
IOUT = 100 to 300mA; VOUT = 3.3V)
0.5
0
-0.5 300mA
100mA
100mA
300mA
Time (50µs/div)
Load Transient
(Channel 3; VIN = 3.6V;
IOUT = 0.5 to 1.5A; VOUT = 1.2V; No CFF)
0.5
0
-0.5
0.5A
1.5A
0.5A
1.5A
Time (50µs/div)
Soft Start
(Channels 1 and 2; VIN = 5V;
VOUT = 3.3V; IOUT = 50mA)
4
3
2
1
0
1
0.5
0
Time (50µs/div)
PRODUCT DATASHEET
AAT2784
3-Channel Step-Down DC/DC Converter
Load Transient
(Channels 1 and 2; VIN = 5V;
IOUT = 1 to 300mA; VOUT = 3.3V)
0.5
0
-0.5 300mA
1mA
300mA
1mA
Time (50µs/div)
Load Transient
(Channel 3; VIN = 5V; IOUT = 0.5 to 1.5A;
VOUT = 1.2V; No CFF)
0.5
0
-0.5
0.5A
1.5A
0.5A
1.5A
Time (50µs/div)
Soft Start
(Channel 3; VIN = 5V;
VOUT = 1.2V; IOUT = 1mA)
4
3
2
1
0
Time (50µs/div)
1
0.5
0
2784.2007.11.1.1
www.analogictech.com
7

7페이지


구       성 총 21 페이지수
다운로드[ AAT2784.PDF 데이터시트 ]

당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는

포괄적인 데이터시트를 제공합니다.


구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한
광범위한 전력 반도체를 판매합니다.

전력 반도체 전문업체

상호 : 아이지 인터내셔날

사이트 방문 :     [ 홈페이지 ]     [ 블로그 1 ]     [ 블로그 2 ]



관련 데이터시트

부품번호상세설명 및 기능제조사
AAT2782

Triple Output PMIC

Advanced Analogic Technologies
Advanced Analogic Technologies
AAT2782

Triple-Output PMIC

Skyworks
Skyworks

DataSheet.kr       |      2020   |     연락처      |     링크모음      |      검색     |      사이트맵