AN-2084
TABLE 1. LMZ1420xEXT Bill of Materials, V
IN
= 8V to 42V, V
OUT
= 3.3V, I
OUT (MAX)
= 3A / 2A / 1A
Designator
U1
Description
SIMPLE SWITCHER®
Case Size
TO-PMOD-7
Manufacturer
National
Semiconductor
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
AVX
Panasonic
Panasonic
Vishay-Dale
Panasonic
Panasonic
Manufacturer P/N
LMZ14203EXTTZ or
LMZ14202EXTTZ or
LMZ14201EXTTZ
UMK316B7105KL-T
UMK325BJ106MM-T
JMK325BJ107MM-T
08051C223JAT2A
ERJ-6ENF1182V
ERJ-6ENF6812V
CRCW08053K32FKEA
CRCW080534K8FKEA
ERJ-6ENF6192V
Quantity
1
C
IN4
, C
O1
C
IN2
C
O2
C
SS
, C
FF
R
ENB
R
ENT
R
FBT
R
FBB
R
ON
1 µF, X7R, 50V
10 µF, X5R, 50V
100 µF, X5R, 6.3V
0.022 µF, X7R, 100V
11.8k
68.1 kΩ
3.32 kΩ
1.07 kΩ
61.9 kΩ
1206
1210
1210
0805
0805
0805
0805
0805
0805
2
1
1
2
1
1
1
1
1
TABLE 2. LMZ1200xEXT Bill of Materials, V
IN
= 4.5 to 20V, V
OUT
= 1.8V, I
OUT (MAX)
= 3A / 2A / 1A
Designator
U1
Description
SIMPLE SWITCHER®
Case Size
TO-PMOD-7
Manufacturer
National
Semiconductor
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
AVX
Panasonic
Panasonic
Vishay-Dale
Panasonic
Panasonic
Manufacturer P/N
LMZ12003EXTTZ or
LMZ12002EXTTZ or
LMZ12001EXTTZ
UMK316B7105KL-T
UMK325BJ106MM-T
JMK325BJ107MM-T
08051C223JAT2A
ERJ-6ENF1182V
ERJ-6ENF3242V
CRCW08051K87FKEA`
CRCW08051K50FKEA
ERJ-6ENF3242V
Quantity
1
C
IN4
, C
O1
C
IN2
C
O2
C
SS
, C
FF
R
ENB
R
ENT
R
FBT
R
FBB
R
ON
1 µF, X7R, 50V
10 µF, X5R, 50V
100 µF, X5R, 6.3V
0.022 µF, X7R, 100V
11.8k
32.4KΩ
1.87 kΩ
1.50 kΩ
32.4KΩ
1206
1210
1210
0805
0805
0805
0805
0805
0805
2
1
1
2
1
1
1
1
1
Performance Characteristics
LMZ14203EXT Load and Line Regulation
LMZ12003EXT Load and Line Regulation
30131504
30131505
www.national.com
2
NSC [ NATIONAL SEMICONDUCTOR ]
