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RT5021 Fiches technique(PDF) 22 Page - Richtek Technology Corporation

No de pièce RT5021
Description  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 Fiches technique(HTML) 22 Page - Richtek Technology Corporation

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RT5021
22
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
VBAT = 3.7V, VOUT = 5V,
IOUT = 400mA, L = 2.2
μH, COUT = 10μF x 2
Time (500ns/Div)
CH1 Output Voltage Ripple
VOUT_CH1_ac
(5mV/Div)
LX1
(5V/Div)
Time (500ns/Div)
CH3 Output Voltage Ripple
VBAT = 3.7V, VOUT = 1V,
IOUT = 400mA, L = 2.2
μH, COUT = 10μF
VOUT_CH3_ac
(5mV/Div)
LX3
(5V/Div)
Time (500ns/Div)
CH5 Output Voltage Ripple
VBAT = 3.7V, VOUT = 1.8V,
IOUT = 400mA, L = 2.2
μH, COUT = 10μF
VOUT_CH5_ac
(5mV/Div)
LX5
(5V/Div)
Time (500ns/Div)
CH4 Output Voltage Ripple
VBAT = 3.7V, VOUT = 1.5V,
IOUT = 400mA, L = 2.2
μH, COUT = 10μF
VOUT_CH4_ac
(5mV/Div)
LX4
(5V/Div)
CH8 LDO Output Voltage vs. Output Current
2.400
2.425
2.450
2.475
2.500
2.525
2.550
2.575
2.600
0
50
100 150 200 250 300 350 400 450 500
Output Current (mA)
VOUT = 1.3V
PVD8 = 2.7V
PVD8 = 3.3V
Time (500ns/Div)
CH2 Output Voltage Ripple
VBAT = 3.7V, VOUT = 3.3V,
IOUT = 400mA, L = 2.2
μH, COUT = 10μF x 2
VOUT_CH2_ac
(5mV/Div)
LX2
(5V/Div)



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