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Teilenummer | EMP8736 |
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Beschreibung | 300mA CMOS Linear Regulator | |
Hersteller | Elite Semiconductor | |
Logo | ||
Gesamt 14 Seiten ESMT/EMP
EMP8736
Fast Ultra High-PSRR, Low-Noise, 300mA
CMOS Linear Regulator
General Description
The EMP8736 features ultra-high power supply rejection
ratio, low output voltage noise, low dropout voltage,
low quiescent current and fast transient response. It
guarantees delivery of 300mA output current and
supports adjustable output voltages by using two
external resistors.
Based on its low quiescent current consumption and its
less than 1μA shutdown mode of logical operation, the
EMP8736 is ideal for battery-powered applications. The
high power supply rejection ratio of the EMP8736 holds
well for low input voltages typically encountered in
battery-operated systems. The regulator is stable with
small ceramic capacitive loads (1µF typical). The
EMP8736 is available in miniature SOT-23-5 packages.
Typical Application
Features
g 300mA guaranteed output current
g 65dB typical PSRR at 1kHz
g 110µV RMS output voltage noise (10Hz to 100kHz)
g 290mV typical dropout at 300mA
g 57µA typical quiescent current
g Less than 1μA typical shutdown mode
g Fast line and load transient response
g 2.2V to 5.5V input range
g Auto-discharge during chip disable
g 80µs typical turn-on time
g Stable with small ceramic output capacitors
g Over temperature and over current protection
g ±2% output voltage tolerance
Applications
g Wireless handsets
g PCMCIA cards
g DSP core power
g Hand-held instruments
g Battery-powered systems
g Portable information appliances
Fig 1. The typical application circuit.
Elite Semiconductor Memory Technology Inc. / Elite MicroPower Inc.
Publication Date: Nov. 2009
Revision: 1.0
1/14
ESMT/EMP
EMP8736
Typical Performance Characteristics
Unless otherwise specified, VIN = VOUT (NOM) + 1V, VEN=VIN, CIN = COUT = 2.2µF, TA = 25°C.
PSRR vs. Frequency
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
PSRR vs. Frequency
Frequency (Hz)
Dropout Voltage vs. Load Current
Frequency (Hz)
Ground Current vs. Load Current
Load Current (mA)
Load Current (mA)
Elite Semiconductor Memory Technology Inc. / Elite MicroPower Inc.
Publication Date: Nov. 2009
Revision: 1.0
6/14
6 Page ESMT/EMP
Package Outline drawing
SOT-23-5
EMP8736
θo
θ2
SYMBPLS
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
L2
θ°
θ2°
MIN.
1.05
0.05
1.00
0.30
0.08
2.80
2.60
1.50
0.30
0
6
NOM.
1.20
0.10
1.10
-
-
2.90
2.80
1.60
0.95 BSC
1.90 BSC
0.45
0.60 REF
0.25 REF
5
8
MAX.
1.35
0.15
1.20
0.50
0.20
3.00
3.00
1.70
0.55
10
10
UNIT: MM
Elite Semiconductor Memory Technology Inc. / Elite MicroPower Inc.
Publication Date: Nov. 2009
Revision: 1.0
12/14
12 Page | ||
Seiten | Gesamt 14 Seiten | |
PDF Download | [ EMP8736 Schematic.PDF ] |
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