Datasheet

3.0 3.5 4.0 4.5 5.0 5.5
1.0
1.1
1.2
1.3
1.4
1.5
I
PVIN
+ I
AVIN
(mA)
INPUT VOLTAGE (V)
-40 -20 0 20 40 60 80 100 120
0.90
0.93
0.96
0.99
1.02
1.05
1.08
1.11
1.14
1.17
1.20
0.100
0.108
0.116
0.124
0.132
0.140
0.148
0.156
0.164
0.172
0.180
I
AVIN
(mA)
JUNCTION TEMPERATURE (°C)
I
PVIN
(mA)
IAVIN
IPVIN
0 2 4 6 8 10 12
-0.04
-0.03
-0.02
-0.01
0.00
0.01
0.02
0.03
0.04
ûOUTPUT VOLTAGE (%)
OUTPUT CURRENT (A)
VIN = 3.3V
VIN = 5.0V
3.0 3.5 4.0 4.5 5.0 5.5
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
ûOUTPUT VOLTAGE (%)
INPUT VOLTAGE (V)
IOUT = 0A
IOUT = 12A
0 3 6 9 12 15
80
82
84
86
88
90
92
94
96
98
100
EFFICIENCY (%)
OUTPUT CURRENT (A)
VIN = 3.3V
VIN = 5.0V
0 3 6 9 12 15
90
91
92
93
94
95
96
97
98
99
100
EFFICIENCY (%)
OUTPUT CURRENT (A)
VIN = 4.0V
VIN = 5.5V
LM21215
SNVS625E –FEBRUARY 2011–REVISED MARCH 2013 www.ti.com
Typical Performance Characteristics
Unless otherwise specified: V
IN
= 5V, V
OUT
= 1.2V, L= 0.56µH (1.8mΩ R
DCR
), C
SS
= 33nF, T
A
= 25°C for efficiency curves,
loop gain plots and waveforms, and T
J
= 25°C for all others.
Efficiency Efficiency (VOUT = 3.3 V, Inductor P/N SER2010-02MLD)
Figure 2. Figure 3.
Load Regulation Line Regulation
Figure 4. Figure 5.
Non-Switching I
QTOTAL
vs. V
IN
Non-Switching I
AVIN
and I
PVIN
vs. Temperature
Figure 6. Figure 7.
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