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PDF RT6212A Data sheet ( 特性 )

部品番号 RT6212A
部品説明 Step-Down Converter
メーカ Richtek
ロゴ Richtek ロゴ 

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RT6212A Datasheet, RT6212A PDF,ピン配置, 機能
RT6212A/B
2A, 18V, 500kHz, ACOTTM Step-Down Converter
General Description
The RT6212A/B is a high-efficiency, monolithic
synchronous step-down DC/DC converter that can
deliver up to 2A output current from a 4.5V to 18V input
supply. The RT6212A/B adopts ACOT architecture to
allow the transient response to be improved and keep
in constant frequency. Cycle-by-cycle current limit
provides protection against shorted outputs and
soft-start eliminates input current surge during start-up.
Fault conditions also include output under voltage
protection, output over current protection, and thermal
shutdown.
Ordering Information
RT6212A/B
Package Type
J6F : TSOT-23-6 (FC)
Lead Plating System
G : Green (Halogen Free and Pb Free)
UVP Option
H : Hiccup
PSM/PWM
A : PSM Mode
B : PWM Mode
Note :
Richtek products are :
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Features
Integrated 163m/86mMOSFETs
4.5V to 18V Supply Voltage Range
500kHz Switching Frequency
ACOT Control
0.8V 1.5% Voltage Reference
Internal Start-Up into Pre-biased Outputs
Compact Package : TSOT-23-6 Pin
Input Under-Voltage Lockout
Over-Current Protection and Hiccup
Applications
Set-Top Boxes
Portable TVs
Access Point Routers
DSL Modems
LCD TVs
Marking Information
RT6212AHGJ6F
0B=DNN
0B= : Product Code
DNN : Date Code
RT6212BHGJ6F
0A=DNN
0A= : Product Code
DNN : Date Code
Simplified Application Circuit
VIN
CIN
Enable
RT6212A/B
BOOT
VIN
LX
EN
FB
GND
CBOOT
L
R1
R2
CFF
VOUT
COUT
Copyright © 2016 Richtek Technology Corporation. All rights reserved.
DS6212A/B-02 May 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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