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| LP3907_14 Datasheet, PDF (19/57 Pages) Texas Instruments – Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C-Compatible Interface | |||
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LP3907
www.ti.com
SNVS511N â JUNE 2007 â REVISED AUGUST 2011
Typical Performance Characteristics â Buck2
VIN= 4.3V to 5.5V, TA = 25°C, VOUT = 1.8V, 3.3V
Efficiency
Efficiency
vs
vs
Output Current
Output Current
(VOUT =1.2V, L= 2.2µH â PWM mode to PFM mode)
(VOUT =2.0V, L= 2.2µH â PWM mode to PFM mode)
100
90
VIN = 4.5V
80
VIN = 5.5V
70
60
50
40
100
90
VIN = 4.5V
VIN = 5.5V
80
70
60
50
40
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
0.1
1
10
100
OUTPUT CURRENT (mA)
1000
Copyright © 2007â2011, Texas Instruments Incorporated
Product Folder Links: LP3907
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