RT6296A
2A, 17V Current Mode Synchronous Step-Down Converter
General Description
The RT6296A is a high-efficiency, 2A current mode
synchronous step-down DC-DC converter with a wide
input voltage range from 4.5V to 17V. The device
integrates 100m high-side and 40m low-side
MOSFETs to achieve high efficiency conversion. The
current
mode control
architecture supports fast
Features
4.5V to 17V Input Voltage Range
2A Output Current
Internal N-Channel MOSFETs
Current Mode Control
Fixed Switching Frequency : 500kHz
Synchronous to External Clock : 200kHz to 2MHz
Cycle-by-Cycle Current Limit
TTH For Adjustable PSM to PWM Transition
Threshold
transient response and internal compensation. The
RT6296A provides TTH pin to adjust transition point
from PSM to PWM in order to balance efficiency and
output ripple. A cycle-by-cycle current limit function
provides protection against shorted output. The
RT6296A provides complete protection functions such
as input under-voltage lockout, output under-voltage
protection,
over-current
protection,
and
thermal
Internal Soft-Start Function
Input Under-Voltage Lockout
Output Under-Voltage Protection
Thermal Shutdown
RoHS Compliant and Halogen Free
shutdown. The PWM frequency is adjustable by the
EN/SYNC pin. The RT6296A is available in the
TSOT-23-8 (FC) package.
Applications
Industrial and Commercial Low Power Systems
Computer Peripherals
LCD Monitors and TVs
Set-top Boxes
Ordering Information
RT6296A
Package Type
J8F : TSOT-23-8 (FC)
Lead Plating System
G : Green (Halogen Free and Pb Free)
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.
Marking Information
0G=DNN
0G= : Product Code
DNN : Date Code
Simplified Application Circuit
V
IN
C1
SW
Enable
R3
TTH
R4
GND
EN/SYNC
PVCC
C2
R5
FB
R2
R1
C4
VIN
RT6296A
BOOT
C3
L1
V
OUT
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6296A-04
January 2018
www.richtek.com
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RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
