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PDF LR9103 Data sheet ( Hoja de datos )
| Número de pieza | LR9103 | |
| Descripción | LOW NOISE 150mA LDO REGULATOR | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LR9103 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
LR9103
Preliminary
LOW NOISE 150mA LDO
REGULATOR
CMOS IC
DESCRIPTION
The UTC LR9103 is a typical LDO (linear regulator) with the
features of high output voltage accuracy, low supply current, low
ON-resistance, and high ripple rejection.
During operation of the UTC LR9103, the dropout voltage is
very low and the response of line transient and load transient are
very well.
Internally, there’re many functions of UTC LR9103 which can
be seen in the block figure. There are a voltage reference unit, an
error amplifier, resistor-net for voltage setting, a current limit circuit,
and a chip enable circuit in each UTC LR9103.
The UTC LR9103 can be used as an ideal of the power supply
for hand-held communication equipment, such as: power source for
portable communication equipment, power source for electrical
appliances, for example, cameras, VCRs and camcorders and
power source for battery-powered equipment.
FEATURES
* Ultra Supply Current:
36µA (Typ.)
* Standby Mode:
0.1µA (Typ.)
* Very Low Dropout Voltage:
0.13V (Typ.) @ IOUT =150mA, VOUT =2.85V
* Ripple Rejection:
75dB (Typ.) @ f=1kHz,VOUT=2.85V
* Temperature-Drift Coefficient
±50ppm/°C (Typ.)
of Output Voltage:
* Well Line Regulation:
0.02%/ V (Typ.)
*Output Voltage Accuracy:
±1.0%
* Internal Fold Back Protection Circuit: 50mA (Typ.) (Current at short mode)
*CIN=COUT=0.47µF or more (Ceramic capacitors) are recommended to be used with this IC
ORDERING INFORMATION
Note:
Ordering Number
LR9103G-xx-AE5-R
LR9103G-xx-AF5-R
LR9103G-xx-K04-1010-R
xx: Output Voltage, refer to Marking Information.
Package
SOT-23-5
SOT-25
DFN-4(1.0×1.0)
LR9103G-xx-AE5-R
(1)Packing Type
(2)Package Type
(3)Output Voltage Code
(4)Green Package
(1) R: Tape Reel
(2) AE5: SOT-23-5, AF5: SOT-25,
K04-1010: DFN-4(1.0×1.0)
(3) xx: refer to Marking Information
(4) G: Halogen Free and Lead Free
Packing
Tape Reel
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2016 Unisonic Technologies Co., Ltd
1 of 5
QW-R102-062.e
1 page  
LR9103
TEST CIRCUIT
Preliminary
CMOS IC
C1
1.0µF
VIN VOUT
UTC
LR9103
CE GND
C2 V VOUT
1.0µF
IOUT
A ISS
C1
1.0µF
VIN VOUT
UTC
LR9103
CE GND
C2
1.0µF
Basic Test Circuit
Test Circuit for Supply Current
TYPICAL APPLICATION CIRCUIT
IN
C1
1.0μF
VIN VOUT
CE UTC
LR9103
GND
OUT
C2
1.0μF
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 5
QW-R102-062.e
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet LR9103.PDF ] | |
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