Datasheet

4 5 6 7 3 2 1
PGND/EP
VOUT
SS SYNC FB
VIN
EN AGND
V
IN
C
IN
2,3
10 PF
Enable
7V to 36V
U1
R
FBB
1.07k
LMZ23605TZ
3.3V
O
@ 5A
C
O
1,6
0.047 PF
C
O
5
220 PF
R
ENH
OPT
100
R
ENT
42.2k
R
ENB
12.7k
R
FBT
3.32k
C
IN
1,5
0.047 PF
C
O
2
100 PF
OPT
+
D1 OPT
5.1V
SYNC
R
SN
OPT
1.50 k:
C
SS
0.47 PF
C
IN
6 OPT
150 PF
+
R
FRA
OPT
23.7:
LMZ23605
www.ti.com SNVS659H –MARCH 2011–REVISED OCTOBER 2013
Typical Application Schematic Diagram
Figure 53.
Table 1. Typical Application Bill of Materials
Ref Des Description Case Size Manufacturer Manufacturer P/N
U1 SIMPLE SWITCHER PFM-7 Texas Instruments LMZ23605TZ
C
in
1,5 0.047 µF, 50V, X7R 1206 Yageo America CC1206KRX7R9BB473
C
in
2,3 10 µF, 50V, X7R 1210 Taiyo Yuden UMK325BJ106MM-T
C
in
6 (OPT) CAP, AL, 150µF, 50V Radial G Panasonic EEE-FK1H151P
C
O
1,6 0.047 µF, 50V, X7R 1206 Yageo America CC1206KRX7R9BB473
C
O
2 (OPT) 100 µF, 6.3V, X7R 1210 TDK C3225X5R0J107M
C
O
5 220 μF, 6.3V, SP-Cap (7343) Panasonic EEF-UE0J221LR
R
FBT
3.32 kΩ 0805 Panasonic ERJ-6ENF3321V
R
FBB
1.07 kΩ 0805 Panasonic ERJ-6ENF1071V
R
SN
(OPT) 1.50 kΩ 0805 Vishay Dale CRCW08051K50FKEA
R
ENT
42.2 kΩ 0805 Panasonic ERJ-6ENF4222V
R
ENB
12.7 kΩ 0805 Panasonic ERJ-6ENF1272V
R
FRA
(OPT) 23.7Ω 0805 Vishay Dale CRCW080523R7FKEA
R
ENH
(OPT) 100 Ω 0805 Vishay Dale CRCW0805100RFKEA
C
SS
0.47 μF, ±10%, X7R, 16V 0805 AVX 0805YC474KAT2A
D1(OPT) 5.1V, 0.5W SOD-123 Diodes Inc. MMSZ5231BS-7-F
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