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RT6215F PDF预览

RT6215F

更新时间: 2024-01-27 07:20:01
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
18页 495K
描述
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RT6215F 技术参数

Status:ActiveVin (min) (V):4.5
Vin (max) (V):24Number of Outputs:1
Vout (min) (V):0.791Vout (max) (V):6
Preset Vout (V):Output Adj. Method:Resistor
Iout (max) (A):2Current Limit (typ) (A):2.7;5
Freq (typ) (kHz):800Freq (min) (kHz):
Freq (max) (kHz):Ext Sync:No
Ron_HS (typ) (mOhm):100Ron_LS (typ) (mOhm):85
Iq (typ) (mA):0.17Features:ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;OCP;OTP;SCP;Selectable (PSM or PWM);Stable with Ceramic Capacitor;UVP
Package Type:TSOT-28(FC)

RT6215F 数据手册

 浏览型号RT6215F的Datasheet PDF文件第2页浏览型号RT6215F的Datasheet PDF文件第3页浏览型号RT6215F的Datasheet PDF文件第4页浏览型号RT6215F的Datasheet PDF文件第5页浏览型号RT6215F的Datasheet PDF文件第6页浏览型号RT6215F的Datasheet PDF文件第7页 
®
RT6215F  
2A, 24V, 800kHz, ACOTTM Step-Down Converter  
General Description  
Features  
Input Supply Voltage Range : 4.5V to 24V  
The RT6215F is a high-efficiency, synchronous step-down  
DC-DC converter that can deliver up to 2Aoutput current  
from a 4.5V to 24V input supply. The RT6215F adopts  
Advanced Constant On-Time (ACOTTM) control architecture  
to provide an ultrafast transient response with few external  
components and to operate in nearly constant switching  
frequency over line, load, and output voltage ranges.  
Output Current : 2A  
Internal 100mΩ Switch and 85mΩ Synchronous  
Rectifier  
Advanced Constant On-Time (ACOTTM) Control for  
Ultrafast Transient Response  
Steady Switching Frequency : 800kHz  
Optimized for Low-ESR Ceramic Output Capacitors  
0.791V 1.5% High-Accuracy Feedback Reference  
Voltage  
The RT6215F features cycle-by-cycle current limit  
protection against short-circuit outputs, and soft-start  
function to prevent inrush current during start-up. It also  
includes input under-voltage lockout, output under-voltage  
protection, over-current protection, and over-temperature  
protection (thermal shutdown) to provide safe and smooth  
operation in all operating conditions.  
Programmable Output Voltage : 0.791V to 6V  
Monotonic Start-up for Pre-Biased Outputs  
Enable Control  
Cycle-by-Cycle Current Limit Protection  
Input Under-Voltage Lockout (UVLO)  
Output Under-Voltage Protection (UVP) with Hiccup  
Mode  
Ordering Information  
RT6215F  
Over-Temperature Protection (OTP) (Thermal  
Shutdown)  
Package Type  
J8F : TSOT-23-8 (FC)  
Available in TSOT-23-8 (FC) Package  
Lead Plating System  
G : Green (Halogen Free and Pb Free)  
Applications  
UVP Option  
H : Hiccup  
Set Top Box  
Portable TV  
Access Point Router  
DSL Modem  
LCD TV  
Note :  
Richtek products are :  
RoHS compliant and compatible with the current require-  
ments of IPC/JEDEC J-STD-020.  
Suitable for use in SnPb or Pb-free soldering processes.  
Simplified Application Circuit  
RT6215F  
R3  
V
IN  
VIN  
BOOT  
C
BOOT  
C
IN  
L
EN  
Enable  
MODE  
SW  
V
OUT  
C
FF  
C
OUT  
MODE  
R1  
R2  
R
FF  
GND  
FB  
Copyright 2018 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS6215F-00 September 2018  
www.richtek.com  
1

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