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PDF RT8096C Data sheet ( Hoja de datos )

Número de pieza RT8096C
Descripción CMCOT Synchronous Step-Down Converter
Fabricantes Richtek 
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No Preview Available ! RT8096C Hoja de datos, Descripción, Manual

RT8096C
1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter
General Description
The RT8096C is a high efficiency synchronous step-
down DC/DC converter. Its input voltage range is from
2.5V to 6V and provides an adjustable regulated output
voltage from 0.6V to 3.4V while delivering up to 1A of
output current.
The internal synchronous low on-resistance power
switches increase efficiency and eliminate the need for
an external Schottky diode. The Current Mode
Constant-On-time (CMCOT) operation with internal
compensation allows the transient response to be
optimized over a wide range of loads and output
capacitors. The RT8096C is available in the TSOT-23-
5 and TSOT-23-6 packages.
Ordering Information
RT8096C
Package Type
J5 : TSOT-23-5
J6 : TSOT-23-6
Lead Plating System
G : Green (Halogen Free and Pb Free)
UVP Trim Option
H: Hiccup
PWM/PSM Mode
C : PSM/PWM
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
Efficiency Up to 95%
RDSON 160mHS / 110mLS
VIN Range 2.5V to 6V
VREF 0.6V with 2% Accuracy
CMCOTControl Loop Design for Best
Transient Response, Robust Loop Stability with
Low-ESR (MLCC) COUT
Fixed Soft-Start 1.2ms; PGOOD Function in
TSOT-23-6
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Output Under Voltage Protection (UVP Hiccup)
Thermal Shutdown Protection
Power Saving at Light Load
Applications
STB, Cable Modem, & xDSL Platforms
LCD TV Power Supply & Metering Platforms
General Purpose Point of Load (POL)
Marking Information
RT8096CHGJ5
0P=DNN
0P= : Product Code
DNN : Date Code
RT8096CHGJ6
15=DNN
15= : Product Code
DNN : Date Code
Simplified Application Circuit
VIN
CIN
RT8096C
VIN LX
L
VOUT
EN R1 COUT
PG* FB
GND
R2
*For TSOT-23-6 Package Only
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
DS8096C-02 October 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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RT8096C pdf
RT8096C
Absolute Maximum Ratings (Note 1)
Supply Input Voltage -------------------------------------------------------------------------------------------- 0.3V to 6.5V
LX Pin Switch Voltage-------------------------------------------------------------------------------------------0.3V to (VIN + 0.3V)
<20ns---------------------------------------------------------------------------------------------------------------- 4.5V to 7.5V
Power Dissipation, PD @ TA = 25C
TSOT-23-5 --------------------------------------------------------------------------------------------------------- 0.43W
TSOT-23-6 --------------------------------------------------------------------------------------------------------- 0.5W
Package Thermal Resistance (Note 2)
TSOT-23-5, JA --------------------------------------------------------------------------------------------------- 230.6C/W
TSOT-23-6, JA --------------------------------------------------------------------------------------------------- 197.4C/W
TSOT-23-5, JC--------------------------------------------------------------------------------------------------- 21.8C/W
TSOT-23-6, JC--------------------------------------------------------------------------------------------------- 18.9C/W
Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------- 260C
Junction Temperature ------------------------------------------------------------------------------------------- 40C to 150C
Storage Temperature Range ---------------------------------------------------------------------------------- 65C to 150C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ------------------------------------------------------------------------------------ 2kV
Recommended Operating Conditions (Note 4)
Supply Input Voltage -------------------------------------------------------------------------------------------- 2.5V to 6V
Ambient Temperature Range---------------------------------------------------------------------------------- 40C to 85C
Junction Temperature Range --------------------------------------------------------------------------------- 40C to 125C
Electrical Characteristics
(VIN = 3.6V, TA = 25C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Input Voltage
VIN
Feedback Reference Voltage
Feedback Leakage Current
VREF
IFB
VFB = 3.3V
DC Bias Current
Active, VFB = 0.63V, Not Switching
Shutdown
Switching Leakage Current
Switching Frequency
Switch On Resistance, High RPMOS ISW = 0.3A
Switch On Resistance, Low RNMOS ISW = 0.3A
Valley Current Limit
ILIM
Under-Voltage Lockout
Threshold
VUVLO
VDD Rising
VDD Falling
Over-Temperature Threshold
Min Typ Max Unit
2.5 -- 6 V
0.588 0.6 0.612 V
-- -- 1 A
-- 22 --
A
-- -- 1
-- -- 1 A
-- 1.5 -- MHz
-- 160 -- m
-- 110 -- m
1.1 1.5 2
A
-- 2.25 2.5
-- 2 --
V
-- 150 --
C
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
DS8096C-02 October 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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RT8096C arduino
VOUT
(5mV/Div)
Voltage Ripple
VOUT
(5mV/Div)
RT8096C
Voltage Ripple
VLX
(2V/Div)
VEN
(5V/Div)
VPGOOD
(2V/Div)
VOUT
(1V/Div)
IOUT
(1A/Div)
VEN
(5V/Div)
VPGOOD
(2V/Div)
VOUT
(2V/Div)
IOUT
(1A/Div)
VIN = 3.3V, VOUT = 1.2V, IOUT = 1A
Time (500ns/Div)
Power On from EN
VIN = 3.3V, VOUT = 1.2V, IOUT = 1A
Time (500s/Div)
Power On from EN
VLX
(2V/Div)
VEN
(5V/Div)
VPGOOD
(2V/Div)
VOUT
(1V/Div)
IOUT
(1A/Div)
VIN = 5V, VOUT = 3.3V, IOUT = 1A
Time (500s/Div)
VEN
(5V/Div)
VPGOOD
(2V/Div)
VOUT
(2V/Div)
IOUT
(1A/Div)
VIN = 5V, VOUT = 3.3V, IOUT = 1A
Time (500ns/Div)
Power Off from EN
VIN = 3.3V, VOUT = 1.2V, IOUT = 1A
Time (10s/Div)
Power Off from EN
VIN = 5V, VOUT = 3.3V, IOUT = 1A
Time (10s/Div)
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
DS8096C-02 October 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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