Datasheet

0
0.2
0.4
0.6
0.8
1
1.2
50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
OUTPUT CURRENT (A)
4.5Vin
12Vin
20Vin
1.8Vout
1.8
1.9
2.0
2.1
2.2
2.3
2.4
0 5 10 15 20 25
INPUT VOLTAGE (V)
OUTPUT CURRENT (A)
SHORT CIRCUIT
-55°C
ONSET
1.8
1.9
2.0
2.1
2.2
2.3
2.4
0
5 10
15
20
25
INPUT VOLTAGE (V)
CURRENT (A)
25°C
SHORT CIRCUIT
ONSET
85C
1.8
1.9
2
2.1
2.2
2.3
2.4
0 5 10 15 20 25
INPUT VOLTAGE (V)
OUTPUT CURRENT (A)
ONSET
SHORT CIRCUIT
LMZ12001EXT
www.ti.com SNVS661F –JUNE 2010–REVISED OCTOBER 2013
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.
Current Limit 3.3V
OUT
@25°C Current Limit 1.8V
OUT
@85°C
Figure 36. Figure 37.
Current Limit 1.8V
OUT
@-55°C Thermal Derating V
OUT
= 1.8V
Figure 38. Figure 39.
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