Datasheet

V
OUT
RIPPLE
(20 mVac/Div)
Switch Node Voltage, V
D1
(10V/Div)
I
L
(500 mA/Div)
TIME (4 Ps/DIV)
LM3489
LM3489-Q1
SNVS443B –MAY 2006–REVISED FEBRUARY 2013 www.ti.com
Typical Performance Characteristics (continued)
All curves taken at VIN = 12V with configuration in Design Information. T
J
= 25°C, unless otherwise specified.
Discontinuous Mode Operation Load Transient
(V
IN
= 12V, V
OUT
=3.3 V, I
OUT
= 50mA) (V
OUT
= 3.3 V, 50 mA - 500 mA Load)
Figure 20. Figure 21.
Enable Transient Shutdown Transient
(V
OUT
= 3.3 V, 500 mA Loaded) (V
OUT
= 3.3 V, 500 mA Loaded)
Figure 22. Figure 23.
8 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated
Product Folder Links: LM3489 LM3489-Q1