RT6215E Datasheet, PDF (1/15 Pages) Richtek Technology Corporation – ACOT Step-Down Converter

®
RT6215E
2A, 24V, 500kHz, ACOT^TM Step-Down Converter
General Description
The RT6215E is a high-efficiency, monolithic synchronous
step-down DC-DC converter that can deliver up to 2A
output current from a 4.5V to 24V input supply. The
RT6215E adopts advanced constant on-time (ACOT^TM)
architecture to provides a very fast transient response with
few external components 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. Input under-voltage lock-out, output
under-voltage protection, over-current protection, and over-
temperature protection offer completely safe and smooth
operation in all applied conditions.
Ordering Information
RT6215E
Package Type
J8F : TSOT-23-8 (FC)
Lead Plating System
G : Green (Halogen Free and Pb Free)
UVP Option
H : Hiccup
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.
Features
 4.5V to 24V Input Voltage Range
 2A Output Current
 500kHz Switching Frequency
 Advanced Constant On-Time Control
 Fast Transient Response
 Stable with Low ESR Ceramic Output Capacitors
 Adjustable Output Voltage from 0.791V to 5V
 Integrated 100mΩ/85mΩ MOSFETs
 Monotonic Start-Up into Pre-Biased Outputs
 Enable Control
 Cycle-by-Cycle Over Current Limit Protection
 Input Under-Voltage Lockout
 Output Under-Voltage Protection with Hiccup Mode
 Over-Temperature Protection
 RoHS Compliant and Halogen Free
Applications
 Set Top Box
 Portable TV
 Access Point Router
 DSL Modem
 LCD TV
Marking Information
1L= : Product Code
1L=DNN
DNN : Date Code
Simplified Application Circuit
V_IN
C_IN
RT6215E
R3
VIN
BOOT
Enable
SW
EN
Mode
MODE
FB
GND
C_BOOT
L
R1 ^CFF
R2
C_OUT
V_OUT
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS6215E-00 August 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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