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LP5912 Datasheet(PDF) 7 Page - Texas Instruments

Part # LP5912
Description  LP5912 500-mA Low-Noise, Low-IQ LDO
PDF  38 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP5912 Datasheet(HTML) 7 Page - Texas Instruments

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7
LP5912
www.ti.com
SNVSA77D – DECEMBER 2015 – REVISED NOVEMBER 2016
Product Folder Links: LP5912
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
VIN = VOUT(NOM) + 0.5 V or 1.6 V, whichever is greater; VEN = 1.3 V, CIN = 1 µF, COUT = 1 µF, IOUT = 1 mA (unless otherwise
stated).
(1)(2)(3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TRANSITION CHARACTERISTICS
ΔVOUT
Line transients(9)
For VIN ↑ and VOUT(NOM) ≥ 1.1 V:
VIN = (VOUT(NOM) + 0.5 V) to (VOUT(NOM) + 1.1 V)
VIN trise = 30 µs
1
mV
For VIN ↑ and VOUT(NOM) < 1.1 V:
VIN = 1.6 V to 2.2 V
VIN trise = 30 µs
For VIN ↓ and VOUT(NOM) ≥ 1.1 V
VIN = (VOUT(NOM) + 1.1 V) to (VOUT(NOM) + 0.5 V)
VIN tfall = 30 µs
–1
For VIN ↓ and VOUT(NOM) < 1.1 V:
VIN = 2.2 V to 1.6 V
VIN tfall = 30 µs
Load transients(9)
IOUT = 5 mA to 500 mA
IOUT trise = 10 µs
–45
mV
IOUT = 500 mA to 5 mA
IOUT tfall = 10 µs
45
Overshoot on start-up(9)
Stated as a percentage of VOUT(NOM)
5%
tON
Turnon time
Time from VEN > VEN(ON) to VOUT = 95% of
VOUT(NOM)
200
µs
OUTPUT AUTO DISCHARGE RATE
RAD
Output discharge pull-down
resistance
VEN = 0 V, VIN = 3.6 V
100
Ω
(1)
The minimum capacitance must be greater than 0.5 μF over full range of operating conditions. The capacitor tolerance must be 30% or
better over the full temperature range. The full range of operating conditions for the capacitor in the application must be considered
during device selection to ensure this minimum capacitance specification is met. X7R capacitors are recommended however capacitor
types X5R, Y5V, and Z5U may be used with consideration of the application conditions.
(2)
This specification is verified by design.
7.6 Output and Input Capacitors
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN(1)
TYP
MAX
UNIT
CIN
Input capacitance(2)
Capacitance for stability
0.7
1
µF
COUT
Output capacitance(2)
0.7
1
10
µF
ESR
Output voltage(2)
5
500
mΩ



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