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LP5550 데이터시트(PDF) 12 Page - Texas Instruments

부품명 LP5550
상세설명  LP5550 PowerWise??Technology Compliant Energy Management Unit
PDF  28 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LP5550 데이터시트(HTML) 12 Page - Texas Instruments

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TIME (1 Ps/DIV)
VSWITCH
(5V/Div)
VOUT
(20 mV/Div)
Inductor Current
(200 mA/Div)
ILOAD = 150 mA
TIME (2 Ps/DIV)
VSWITCH
(5V/Div)
VOUT
(20 mV/Div)
Inductor Current
(100 mA/Div)
1.0e1
1.0e2
1.0e3
IOUT (mA)
70.0
75.0
80.0
85.0
90.0
95.0
VIN = 3.6V
VIN = 3V
VIN = 4.2V
VIN = 5.5V
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
490.0
506.0
522.0
538.0
554.0
570.0
TA = -40°C
TA = 25°C
TA = 85°C
LP5550
SNVS378G – OCTOBER 2005 – REVISED APRIL 2013
www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise stated: VIN=3.6V
Switch Current Limit vs. VIN
Efficiency vs. Load (Switcher)
Figure 23.
Figure 24.
Switching Waveforms PWM
Switching Waveforms PFM
Figure 25.
Figure 26.
12
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Product Folder Links: LP5550



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