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PDF EMP8966-00VC06GRR Data sheet ( Hoja de datos )

Número de pieza EMP8966-00VC06GRR
Descripción 600mA Micropower CMOS Linear Regulator
Fabricantes Elite Semiconductor 
Logotipo Elite Semiconductor Logotipo



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ESMT/EMP
EMP8966
Fast Ultra High-PSRR, Low-Noise, Low-Dropout,
600mA Micropower CMOS Linear Regulator
General Description
The EMP8966 low-dropout (LDO) CMOS linear regulators,
feature ultra-high power supply rejection ratio (75dB at
1kHz), low output voltage noise (30µV), low dropout
voltage (270mV), low quiescent current (110µA), and fast
transient response. It guarantees delivery of 600mA output
current, and supports adjustable (1.2V to 5.0V) output
voltage versions.
The EMP8966 is ideal for battery-powered applications by
virtue of its low quiescent current consumption and its 1nA
shutdown mode of logical operation. The regulator
provides fast turn-on and start-up time by using dedicated
circuitry to pre-charge an optional external bypass
capacitor. This bypass capacitor is used to reduce the
output voltage noise without adversely affecting the load
transient response. The high power supply rejection ratio of
the EMP8966 holds well for low input voltages typically
encountered in battery- operated systems. The regulator is
stable with small ceramic capacitive loads (2.2µF typical).
Additional features include regulation fault detection,
bandgap voltage reference, constant current limiting and
thermal overload protection. Available in miniature 5-pin
SOT-89-5 package options, SOT-23-5,SOT-23-6 package
options are also offered to provide additional flexibility
for different applications.
EMP products is RoHS compliant.
Features
„ Miniature SOT-23-5, SOT-23-6and SOT-89-5 packages
„ 600mA guaranteed output current
„ 75dB typical PSRR at 1kHz
„ 30µV RMS output voltage noise (10Hz to 100kHz)
„ 270mV typical dropout at 600mA
„ 110µA typical quiescent current
„ 1nA typical shutdown mode
„ Fast line and load transient response
„ 80µs typical fast turn-on time
„ 2.5V to 5.5V input range
„ Stable with small ceramic output capacitors
„ Over temperature and over current protection
„ ±2% output voltage tolerance
Applications
„ Wireless handsets
„ PCMCIA cards
„ DSP core power
„ Hand-held instruments
„ Battery-powered systems
„ Portable information appliances
Elite Semiconductor Memory Technology Inc. /Elite MicroPower Inc.
Publication Date : May 2009
Revision : 1.1
1/20

1 page




EMP8966-00VC06GRR pdf
ESMT/EMP
Pin Functions
EMP8966
Name SOT-23-5 SOT-89-5 SOT-23-6
Function
VOUT
5
5
6 Output Voltage Feedback.
Supply Voltage Input. Require a minimum input capacitor of close to 1µF
VIN 1 4 1
to ensure stability and sufficient decoupling from the ground pin.
GND
2
2
2 Ground Pin.
Adjustable Negative Feedback Control. Use external fixed resistors instead
ADJ 4 1 5
of trim pots to achieve the desired output voltage control.
Compensation Capacitor. Connect an optimum 33nF noise bypass
CC 4
capacitor between the CC and the ground pins to reduce noise in VOUT.
Shutdown Input. Set the regulator into the disable mode by pulling the
SHDN pin low. To keep the regulator on during normal operation, connect
SHDN
3
3
3
the SHDN pin to VIN. The SHDN pin must not exceed VIN under all
operating conditions.
Elite Semiconductor Memory Technology Inc. /Elite MicroPower Inc.
Publication Date : May 2009
Revision : 1.1
5/20

5 Page





EMP8966-00VC06GRR arduino
ESMT/EMP
EMP8966
Typical Performance Characteristics
Unless otherwise specified, VIN = VOUT (NOM) + 1V, CIN = COUT = 2.2µF, CCC = 33nF, TA = 25°C, V SHDN = VIN. (Continued)
5.3V
4.3V
Line Transient
VOUT=3.3V, IOUT=10mA
5.3V
4.3V
Line Transient
VOUT=3.3V, IOUT=600mA
200μs/DIV
Current Limit
200μs/DIV
Enable and Disable
100ms/DIV
400μs/DIV
Elite Semiconductor Memory Technology Inc. /Elite MicroPower Inc.
Publication Date : May 2009
Revision : 1.1
11/20

11 Page







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