Datasheet

75
80
85
90
95
100
0 0.5 1 1.5 2 2.5
OUTPUT CURRENT (A)
EFFICIENCY (%)
5
6
12
20
25°C
V
OUT
= 1.8V
3
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
EFFICIENCY (%)
6
8
12
15
20
36
V
OUT
= 3.3V
25°C
42
3.26
3.28
3.3
3.32
3.34
3.36
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
6
8
12 15
20
36
25°C
1.8
1.805
1.81
1.815
1.82
1.825
1.83
0 0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
4.5
4.75
5
5.25
5.5
6
12
20
25°C
www.ti.com Performance Characteristics
Table 2. LMZ1200x Bill of Materials (BOM), V
IN
= 4.5 to 20V, V
OUT
= 1.8V, I
OUT (MAX)
= 3A / 2A / 1A
Designator Description Case Size Manufacturer Manufacturer P/N Quantity
U1 SIMPLE SWITCHER® PFM-7 Texas Instruments LMZ12003 or 1
LMZ12002 or
LMZ12001
C
IN4
, C
O1
1 µF, X7R, 50V 1206 Taiyo Yuden UMK316B7105KL-T 2
C
IN2
10 µF, X5R, 50V 1210 Taiyo Yuden UMK325BJ106MM-T 1
C
O2
100 µF, X5R, 6.3V 1210 Taiyo Yuden JMK325BJ107MM-T 1
C
SS
, C
FF
0.022 µF, X7R, 100V 0805 AVX 08051C223JAT2A 2
R
ENB
11.8k 0805 Panasonic ERJ-6ENF1182V 1
R
ENT
32.4KΩ 0805 Panasonic ERJ-6ENF3242V 1
R
FBT
1.87 kΩ 0805 Vishay-Dale CRCW08051K87FKEA` 1
R
FBB
1.50 kΩ 0805 Panasonic CRCW08051K50FKEA 1
R
ON
32.4KΩ 0805 Panasonic ERJ-6ENF3242V 1
4 Performance Characteristics
LMZ14203 Load Regulation LMZ12003 Load Regulation
LMZ14203 Efficiency LMZ12003 Efficiency
3
SNVA422E–January 2010–Revised April 2013 AN-2024 LMZ1420x / LMZ1200x Evaluation Board
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