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부품번호 | APS2415 기능 |
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기능 | Synchronous Step-Down Converter | ||
제조업체 | Chipown | ||
로고 | |||
전체 8 페이지수
APS2415
Chipown
1.2MHz, 1.5A
Synchronous Step-Down Converter
General Description
The APS2415 is a high efficiency monolithic
synchronous buck regulator using a constant frequency,
current mode architecture. The device is available in an
adjustable version and fixed output voltages, such as
1.2V, 1.5V, 1.8V, etc. Supply current with no load is
300uA and drops to <1uA in shutdown. The 2.5V to
6.5V input voltage range makes the APS2415 ideally
suited for single Li-Ion, two to four AA battery-powered
applications. 100% duty cycle provides low dropout
operation, extending battery life in portable systems.
PWM pulse skipping mode operation provides very low
output ripple voltage for noise sensitive applications.
Switching frequency is internally set at 1.2MHz,
allowing the use of small surface mount inductors and
capacitors. The internal synchronous switch increases
efficiency and eliminates the need for an external
Schottky diode. Low output voltages are easily
supported with the 0.6V feedback reference voltage. The
APS2415 is available in a small SOT package.
Applications
z Cellular and Smart Phones
z Microprocessors and DSP Core Supplies
z Wireless and DSL Modems
z PDAs
z MP3 / MP4 /PMP Player
z Digital Still and Video Cameras
z Portable Instruments
Typical Application Circuit
Figure 1. Basic Application Circuit with
APS2415 adjustable version
Features
z High Efficiency: Up to 96%
z 1.2MHz Constant Switching Frequency
z 1.5A Output Current at VIN=3V
z Integrated Main switch and synchronous rectifier.
No Schottky Diode Required
z 2.5V to 6.5V Input Voltage Range
z Output Voltage as Low as 0.6V
z 100% Duty Cycle in Dropout
z Quiescent Current: 300µA(input < 4.2V)
z Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
z Short Circuit Protection
z <1uA Shutdown Current
z Soft start
z Space Saving 5-Pin SOT23 package
Package
SOT23-5L
100
95
90
85
80
75
70
65
60
55
50
0
η vs Io(Vo=1.8V)
Vin=2.5V
Vin=3.6V
Vin=4.2V
Vin=5V
Vin=6V
300 600 900 1200 1500
Io(mA)
Figure 2. Typical Efficiency Curve
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn V0.0
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APS2415
Chipown
Typical Performance Characteristics (Test Figure 1 above unless otherwise specified)
100
95
90
85
80
75
70
65
60
55
50
0
η vs Io(Vo=1.2V)
Vin=2.5V
Vin=3.6V
Vin=4.2V
Vin=5V
Vin=6V
300 600 900 1200 1500
Io(mA)
100
95
90
85
80
75
70
65
60
0
η vs Io(Vo=3.3V)
Vin=4.2V
Vin=5V
Vin=6V
300 600 900 1200 1500
Io(mA)
Ripple(CH1:VIN, CH2:VO, CH3:VSW)
VIN=3.6V,VO=1.8V,IO=0
VIN=3.6V,VO=1.8V,IO=1.5A
Soft Start(CH1:VIN, CH2:VO, CH3:VSW,CH4:ISW)
VIN=3.6V,VO=1.8V,IO=0
VIN=3.6V,VO=1.8V,RL=1.5Ω
Order Information
Part number
APS2415TBER-ADJ
1.XY=date code
P=Package factory
Mark
S1XYP1
P
Package
SOT-23-5L
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn V0.0
4/8
4페이지 APS2415
Package Information
Chipown
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn V0.0
7/8
7페이지 | |||
구 성 | 총 8 페이지수 | ||
다운로드 | [ APS2415.PDF 데이터시트 ] |
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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 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
APS2415 | Synchronous Step-Down Converter | Chipown |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |