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RT9010
1
DS9010-03 August 2007 www.richtek.com
Pin Configurations
Ordering Information
Marking Information
For marking information, contact our sales representative
directly or through a RichTek distributor located in your
area, otherwise visit our website for detail.
300mA LDO Regulator with POR
(TOP VIEW)
General Description
RT9010 is a low noise, and low dropout with the sourcing
ability up to 300mA and power-on reset function. The range
of output voltage is from 1.2V to 3.6V by operating from
2.5V to 5.5V input.
RT9010 offers 2% accuracy, extremely low dropout voltage
(240mV @ 300mA), and extremely low ground current.
The shutdown current is near zero current which is suitable
for battery-power devices. Other features include current
limiting, over temperature, output short circuit protection.
RT9010 is short circuit thermal folded back protected.
RT9010 lowers its OTP trip point from 165°C to 110°C
when output short circuit occurs (V
OUT
< 0.4V) providing
maximum safety to end users.
RT9010 can operate stably with very small ceramic output
capacitors, reducing required board space and component
cost. RT9010 is available in fixed output voltages in the
TSOT-23-6 package.
Features
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Wide Operating Voltage Ranges : 2.5V to 5.5V
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Low-Noise for RF Application
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No Noise Bypass Capacitor Required
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Fast Response in Line/Load Transient
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TTL-Logic-Controlled Shutdown Input
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Low Temperature Coefficient
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300mA LDO Outputs
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High Accuracy
±±
±±
±2%
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z Short Circuit Protection
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z Thermal Shutdown Protection
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z Current Limit Protection
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z Short Circuit Thermal Folded Back Protection
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z Tiny TSOT-23-6 Package
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z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z CDMA/GSM Cellular Handsets
z Battery-Powered Equipment
z Laptop, Palmtops, Notebook Computers
z Hand-Held Instruments
z PCMCIA Cards
z Portable Information Appliances
Note :
RichTek Pb-free and Green 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.
`100% matte tin (Sn) plating.
TSOT-23-6
VIN EN SET
VOUT GND
4
23
56
1
POR
Note : There is no pin1 indicator on top mark for TSOT-23-6
type, and pin 1 will be lower left pin when reading top mark
from left to right.
RT9010-
Package Type
J6 : TSOT-23-6
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Output Voltage
12 : 1.20V
13 : 1.30V
:
:
35 : 3.50V
36 : 3.60V
1H : 1.85V
2F : 2.65V
2H : 2.85V
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