Datasheet

2.5
2.7
2.9
3.1
3.3
3.5
0
5
10 15
20
25
INPUT VOLTAGE (V)
OUTPUT CURRENT (A)
ONSET
SHORT CIRCUIT
25°C
50 mV/Div
200 Ps/Div
0.5 A/Div
1.785
1.790
1.795
1.800
1.805
1.810
1.815
1.820
1.825
0 0.4 0.8 1.2 1.6 2
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
4.5
5
6
8
12
20
-55°C
20mV/div
20 mV/Div
1.00 Ps/Div
0
0.4 0.8 1.2 1.6 2
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
1.790
1.796
1.802
1.808
1.814
1.820
25°C
20
4.5
12
5
8
6
0 0.4 0.8 1.2 1.6 2
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (A)
85°C
4.5
5
6
12
8
20
1.785
1.790
1.795
1.800
1.805
1.810
1.815
1.820
1.825
LMZ12002EXT
SNVS662F –JUNE 2010–REVISED OCTOBER 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified, the following conditions apply: V
IN
= 12V; Cin = 10uF X7R Ceramic; C
O
= 100uF X7R Ceramic;
Tambient = 25 C for efficiency curves and waveforms.
Line and Load Regulation @ 25°C Line and Load Regulation @ 85°C
Figure 30. Figure 31.
Output Ripple
Line and Load Regulation @ –55°C 12V
IN
3.3V
O
2A 20mV/div 1μSec/div
Figure 32. Figure 33.
Transient Response
12V
IN
3.3V
O
0.6A to 2A Step Current Limit 1.8V
OUT
@ 25°C
Figure 34. Figure 35.
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