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LP5910 bảng dữ liệu(PDF) 5 Page - Texas Instruments

tên linh kiện LP5910
Giải thích chi tiết về linh kiện  LP5910 300-mA Low-Noise, Low-IQ LDO
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Trang chủ  http://www.ti.com
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LP5910 bảng dữ liệu(HTML) 5 Page - Texas Instruments

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5
LP5910
www.ti.com
SNVSA91E – SEPTEMBER 2015 – REVISED JULY 2017
Product Folder Links: LP5910
Submit Documentation Feedback
Copyright © 2015–2017, Texas Instruments Incorporated
(1)
All voltages are with respect to the device GND pin.
(2)
Minimum and maximum limits are ensured through test, design, or statistical correlation over the TJ range of –40°C to 125°C, unless
otherwise stated. Typical values represent the most likely parametric norm at TA = 25°C, and are provided for reference purposes only.
(3)
CIN, COUT: Low-ESR Surface-Mount-Ceramic Capacitors (MLCCs) used in setting electrical characteristics.
(4)
The device maintains a stable, regulated output voltage without a load current.
(5)
Quiescent current is defined here as the difference in current between the input voltage source and the load at VOUT. IQ = (IIN – IOUT)
(6)
Output reverse current (IRO) is measured at the IN pin.
(7)
Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device.
(8)
Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its
nominal value. Dropout voltage is not a valid condition for output voltages less than 1.3 V as compliance with the minimum operating
input voltage can not be ensured.
(9)
This specification is verified by design.
6.5 Electrical Characteristics
Unless otherwise specified, VIN = VOUT(NOM) + 0.5 V, VEN = 1 V, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF.
(1) (2) (3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ΔVOUT
Output voltage tolerance
VIN = (VOUT(NOM) + 0.5 V) to 3.3 V,
IOUT = 1 mA to 300 mA
–2
2
%VOUT
Line regulation
VIN = (VOUT(NOM) + 0.5 V) to 3.3 V,
IOUT = 1 mA
0.01
%/V
Load regulation
IOUT = 1 mA to 300 mA
0.002
%/mA
ILOAD
Load current
See(4)
0
300
mA
IQ
Quiescent current(5)
VEN = 1 V, IOUT = 0 mA
12
25
µA
VEN = 1 V, IOUT = 300 mA
230
350
IQ(SD)
Quiescent current in
shutdown(5)
VEN = 0.3 V, –40°C ≤ TJ ≤ 85°C
0.02
2
IRO
Output reverse current(6)
VOUT > VIN
VOUT = 3.3 V, VIN = VEN = 0 V
–20
0
µA
VOUT = 3.3 V, VIN = VEN = 1.3 V
0
50
µA
IG
Ground current(7)
IOUT = 0 mA (VOUT = 2.3 V)
15
µA
VDO
Dropout voltage(8)
1.3 V
≤ VOUT < 1.5 V,
IOUT = 300 mA
DSBGA only
200
300
mV
1.5 V
≤ VOUT ≤ 2.3 V,
IOUT = 300 mA
DSBGA only
120
180
1.3 V
≤ VOUT < 1.5 V,
IOUT = 300 mA
WSON only
245
370
1.5 V
≤ VOUT ≤ 2.3 V,
IOUT = 300 mA
WSON only
145
220
ILIMIT
Output current limit
VOUT = VOUT(NOM) – 0.1 V
VIN = VOUT(NOM) + 0.5 V
450
mA
PSRR
Power supply rejection ratio(9)
ƒ = 100 Hz, IOUT = 20 mA, VOUT ≥ 1 V
80
dB
ƒ = 1 kHz, IOUT = 20 mA, VOUT ≥ 1 V
75
ƒ = 10 kHz, IOUT = 20 mA, VOUT ≥ 1 V
65
ƒ = 100 kHz, IOUT = 20 mA, VOUT ≥ 1 V
40
ƒ = 2 MHz, IOUT = 20 mA, VOUT ≥ 1 V
25
ƒ = 100 Hz, IOUT = 20 mA, 0.8 V < VOUT < 1 V
65
ƒ = 1 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V
65
ƒ = 10 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V
65
ƒ = 100 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V
40
ƒ = 2 MHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V
25
eN
Output noise voltage(9)
BW = 10 Hz to 100 kHz
IOUT = 1 mA
12
µVRMS
IOUT = 300 mA
12
TSD
Thermal shutdown
TJ rising until output is OFF
160
°C
Thermal hysteresis
TJ falling from shutdown
15


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