High PSRR. YB1200R Datasheet

YB1200R Datasheet PDF, Equivalent


Part Number

YB1200R

Description

150mA High PSRR

Manufacture

YOBON TECHNOLOGIES

Total Page 11 Pages
PDF Download
Download YB1200R Datasheet PDF


YB1200R Datasheet
YB1200R
150mA High PSRR with Auto-Discharge LDO Regulator
Description
The YB1200R is a series of ultra-low-noise,
low dropout (LDO) linear regulators with
2.0% output voltage accuracy. The
YB1200R regulators achieve a low 180mV
dropout at 150mA load current of 3.3V
output and are available in voltages
ranging from 1.2V to 3.6V with 0.1V per
step (custom voltage is considerable at
request).
The YB1200R regulators are optimized to
work with low-ESR and low cost ceramic
capacitors, reducing the amount of board
space critical in portable devices. The
YB1200R requires only 0.47μF output
capacitor for stability with any load and
consumes less than 1μA in shutdown mode.
YB1200R also deploys an auto-discharge
circuit which can de-energize the output
capacitor to prevent the system from
abnormal operation during shutdown.
Built-in thermal shutdown and short-circuit
protect offer secure protection against fault
operation. The YB1200R regulators are
available in SC-70 / SC-82 packages.
Features
„ High Accuracy Output Voltage : + 2%
„ Wide Output Voltage Range : 1.2 ~ 3.6V
„ Ultra-Low-Noise Low-Drop-Out
„ Typical Output Current : 150mA
„ Low Quiescent Current : ~ 60μA
„ 180mV Dropout at 150mA 3.3V Output
„ Stable with 0.47μF Ceramic Capacitor
„ Only Need Input and Output Capacitors
„ Thermal Protection Shutdown
„ Output Short-Circuit Current Limit
„ Built-In Internal Soft-Start
„ Built-In Auto-Discharge Function
„ Green Package (RoHS) Available
Applications
„ PDA, Notebook, PC Computers
„ DSC, Handset Camera Modules
„ PCMCIA Cards, PC Cameras
„ USB Based Portable Devices
„ GSM/GPRS/3G RF Transceiver
„ Wireless LANs
„ Bluetooth Portable Radios
„ Battery-Powered Devices
Typical Application Circuit
Figure 1-1: SC-70 Application Circuit
Figure 1-2: SC-82 Application Circuit
YB1200R Rev.1.2
www.yobon.com.tw
1

YB1200R Datasheet
Pin Configuration
YB1200R
150mA High PSRR with Auto-Discharge LDO Regulator
Figure 2: Pin Configuration
Pin Description
Table 1
Name
Description
VIN Unregulated Input Supply. Bypass with a capacitor to GND.
GND Ground Pin.
EN Pull high to enable the regulator.
BYPASS Connect a 33nF capacitor to GND for low noise operation.
VOUT Regulated Output Voltage. Bypass with a capacitor to GND.
YB1200R Rev.1.2
www.yobon.com.tw
2


Features Datasheet pdf 150mA High PSRR with Auto-Discharge LDO Regulator Description The YB1200R is a series of ultra-low-noise, low dropout (LDO) linear regulators with 2.0% outpu t voltage accuracy. The YB1200R regulat ors achieve a low 180mV dropout at 150m A load current of 3.3V output and are a vailable in voltages ranging from 1.2V to 3.6V with 0.1V per step (custom volt age is considerable at request). The YB 1200R regulators are optimized to work with low-ESR and low cost ceramic capac itors, reducing the amount of board spa ce critical in portable devices. The YB 1200R requires only 0.47μF output capa citor for stability with any load and c onsumes less than 1μA in shutdown mode . YB1200R also deploys an auto-discharg e circuit which can de-energize the out put capacitor to prevent the system fro m abnormal operation during shutdown. B uilt-in thermal shutdown and short-circ uit protect offer secure protection aga inst fault operation. The YB1200R regul ators are available in SC-70 / SC-82 packages. YB1200R Features.
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