RT9004 Datasheet, PDF (1/12 Pages) Richtek Technology Corporation – 300mA, Low Noise, Ultra-Fast CMOS Triple LDOs Regulator

Preliminary
RT9004
300mA, Low Noise, Ultra-Fast CMOS Triple LDOs Regulator
General Description
Features
The RT9004 is designed for portable RF and wireless
applications with demanding performance and space
requirements. The RT9004 performance is optimized for
battery-powered systems to deliver ultra low noise and
low quiescent current. Regulator ground current increases
only slightly in dropout, further prolonging the battery life.
The RT9004 also works with low-ESR ceramic capacitors,
reducing the amount of board space necessary for power
applications, critical in hand-held wireless devices. The
RT9004 consumes less than 0.01uA in shutdown mode
and has fast turn-on time less than 50us. RT9004 is short
circuit thermal folded back protected. RT9004 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. The other features include ultra low dropout
voltage, high output accuracy, current limiting protection,
and high ripple rejection ratio. Available in the VDFN-10L
3x3 and WDFN-10L 3x3 packages, the RT9004 also offers
custom voltage, range of 1.5V to 3.5V with 0.1V per step.
Ordering Information
RT9004
Package Type
QV : VDFN-10L 3x3 (V-Type)
QW : WDFN-10L 3x3 (W-Type)
Note :
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Voltage Version : VOUT1/VOUT2/VOUT3
A : 2.8V/2.5V/1.8V
B : 3.0V/2.5V/1.8V
C : 2.8V/2.8V/1.8V
D : 2.8V/1.8V/1.8V
E : 3.3V/2.8V/1.8V
F : 3.3V/2.8V/2.8V
G : 2.5V/2.8V/2.5V
H : 2.8V/2.8V/1.5V
J : 1.5V/3.3V/3.3V
K : 3.0V/3.0V/1.8V
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.
DS9004-00 February 2008
z Short Circuit Thermal Folded Back Protection
z Low-Noise for RF Application
z Fast Response in Line/Load Transient
z Quick Start-Up (Typically 50us)
z Low Dropout : 220mV @ 300mA
z Wide Operating Voltage Ranges : 2.5V to 5.5V
z TTL-Logic-Controlled Shutdown Input
z Low Temperature Coefficient
z Thermal Shutdown Protection
z Only 1uF Output Capacitor Required for Stability
z High Power Supply Rejection Ratio
z Custom Voltage Available
z Small 10-Lead VDFN and WDFN Packages
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
Pin Configurations
(TOP VIEW)
VOUT1 1
VOUT2 2
GND ³
VOUT3 4
EN3 5
GND
11
10 VIN1
9 EN1
8 VIN2
7 EN2
VIN3
V/WDFN-10L 3x3
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.
www.richtek.com
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