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YOBON TECHNOLOGIES
YOBON TECHNOLOGIES


YB1230

Low-Noise LDO Regulator


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YB1230 pdf
YB1230
600mA, Low-Noise LDO Regulator
„ Description
The YB1230 is a series of low-noise, low
dropout (LDO) linear regulators with 2.0%
output voltage accuracy. The YB1230
regulators achieve a low 500mV dropout at
600mA load current of 3.1V output and are
available in voltages ranging from 1.8V to
3.1 V with 0.1 V per step (custom voltage is
considerable at request).
The YB1230 regulators are optimized to
work with low-ESR and low cost ceramic
capacitors, reducing the amount of board
space critical in hand-held devices. The
YB1230 requires only 2.2μF output
capacitor for stability with any load and
consumes less than 1μA in shutdown
mode.
Built-in thermal shutdown and short-circuit
protect offer secure protection against fault
operation. The YB1230 regulators are
available in SOT-23 / SOT-25 / SOT-89
packages.
„ Features
„ 2.0% Accuracy Output Voltage
„ Output Voltage Range 1.8V ~ 3.1V
„ Low-Noise Low-Drop-Out
„ Stable with 2.2μF Ceramic Capacitor for
Any Load
„ Typical Output Current : 600mA
„ Low Quiescent Current : ~90μA
„ 500mV Dropout at 600mA Load (3.1V)
„ Only Need Input and Output Capacitors
„ Power Saving Shutdown Mode (<1μA)
„ Thermal Protection Shutdown
„ Built-In Internal Soft-Start
„ Output Short-Circuit Current Limit
Protection
„ Green package (RoHS) available
„ Applications
„ PDA, Palmtops and Notebook Computers
„ DSC, Handset Camera Modules
„ PCMCIA Cards, PC Cameras
„ USB Based Portable Devices (MP3, PMP)
„ GSM/GPRS/3G RF Transceiver Modules
„ Wireless LANs
„ Bluetooth Portable Radios
Typical Application Circuit
Figure 1-1: SOT-25 Application Circuit
Figure 1-2: SOT-23/SOT-89 Application Circuit
YB1230 Rev.1.6
www.yobon.com.tw
1



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YB1230 pdf
Pin Configuration
YB1230
600mA, Low-Noise LDO Regulator
Figure 2: Pin Configuration
Pin Description
Table 1
Name
Description
VIN Unregulated input supply. Bypass with a capacitor to GND.
GND
EN
Ground pin.
Pull high to enable the regulator.
VOUT Regulated output voltage. Bypass with a capacitor to GND.
YB1230 Rev.1.6
www.yobon.com.tw
2



Part Number YB1230
Description Low-Noise LDO Regulator
Maker YOBON TECHNOLOGIES - YOBON TECHNOLOGIES
Total Page 11 Pages
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