Datasheet

V
OUT
(50 mV/Div)
I
OUT
(5A/Div)
V
OUT
(10 mV/Div)
-40 -20 0 20 40 60 80 100 120
16.5
16.6
16.7
16.8
16.9
17.0
17.1
17.2
17.3
17.4
17.5
CURRENT LIMIT I
CLR
(A)
AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100 120
2
3
4
5
6
7
8
9
10
R
DSON
(m)
JUNCTION TEMPERATURE (°C)
LOW SIDE
HIGH SIDE
-40 -20 0 20 40 60 80 100 120
120
124
128
132
136
140
144
148
152
156
160
MINIMUM ON-TIME (nS)
JUNCTION TEMPERATURE(°C)
LM21212-2
www.ti.com SNVS715A –MARCH 2011–REVISED MARCH 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified: V
VIN
= 5V, V
OUT
= 1.2V, L= 0.56µH (1.8mΩ R
DCR
), C
SS
= 33nF, f
SW
= 500 kHz (R
ADJ
= 95.3kΩ), T
A
= 25°C for efficiency curves, loop gain plots and waveforms, and T
J
= 25°C for all others.
Minimum On-Time vs. Temperature FET Resistance vs. Temperature
Figure 14. Figure 15.
Peak Current Limit vs. Temperature
Figure 16.
Load Transient Response (f
SW
= 650 kHz) Output Voltage Ripple
2 µs/DIV
100 µs/DIV
Figure 17. Figure 18.
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