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LP5551 Datasheet(PDF) 17 Page - Texas Instruments

Part # LP5551
Description  LP5551 PowerWise??Technology Compliant Energy Management Unit
PDF  38 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5551 Datasheet(HTML) 17 Page - Texas Instruments

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3.0
3.5
4.0
4.5
5.0
5.5
1.10M
1.07M
1.05M
1.02M
996.00k
970.00k
T
A
= 85°C
T
A = 25°C
T
A = -40°C
VIN (V)
10
2
10
3
10
4
10
5
10
6
FREQUENCY (Hz)
-80
-70
-60
-50
-40
-30
-20
-10
0
200 mA
No Load
10
2
10
3
10
4
10
5
10
6
FREQUENCY (Hz)
-80
-70
-60
-50
-40
-30
-20
-10
0
No Load
10
2
10
3
10
4
10
5
10
6
FREQUENCY (Hz)
-80
-70
-60
-50
-40
-30
-20
-10
0
100 mA
No Load
100 Ps/DIV
20 mV/DIV
VO1
100 mA/DIV
IOUT
LP5551
www.ti.com
SNVS417B – DECEMBER 2006 – REVISED APRIL 2013
Typical Performance Characteristics (continued)
Unless otherwise stated: VIN = 3.6V
Load Transient Response VO1
LDO1 PSRR
Figure 11.
Figure 12.
LDO2/4 PSRR
LDO3 PSRR
Figure 13.
Figure 14.
Load Transient Response
Switching Frequency vs. VIN
AVS/DVS Switcher, Automatic PWM/PFM Transition
Figure 15.
Figure 16.
Copyright © 2006–2013, Texas Instruments Incorporated
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Product Folder Links: LP5551



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