LMZ10505EXT
www.ti.com
U1
SNVS669G – JUNE 2010 – REVISED OCTOBER 2013
V IN
1
VIN
VOUT
6, 7
V OUT
C in5
+
C in4
C in3
C in2
C in1
R en1
2
EN
LMZ10505EXT
FB
5
C O1
C O2
C O3
SS
3
C SS
GND
4, EP
R fbt
R comp
Ccomp
R fbb
Figure 21.
Table 7. Bill of Materials, V IN = 3.3V to 5V, V OUT = 2.5V, I OUT (MAX) = 5A
Designator
U1
C in1
C in2 , C O1
C in3 , C O2
C in4
C in5
C O3
R fbt
R fbb
R comp
C comp
R en1
C SS
Description
SIMPLE SWITCHER?
1 μF, X7R, 16V
4.7 μF, X5R, 6.3V
22 μF, X5R, 16V
47 μF, X5R, 6.3V
220 μF, 10V, AL-Elec
100 μF, X5R, 6.3V
75 k ?
34.8 k ?
1.1 k ?
180 pF, ±5%, C0G, 50V
100 k ?
10 nF, ±5%, C0G, 50V
Case Size
PFM-7
0805
0805
1210
1210
E
1812
0805
0805
0805
0603
0805
0805
Manufacturer
Texas Instruments
TDK
TDK
TDK
TDK
Panasonic
TDK
Vishay Dale
Vishay Dale
Vishay Dale
TDK
Vishay Dale
TDK
Manufacturer P/N
LMZ10505EXTTZ
C2012X7R1C105K
C2012X5R0J475K
C3225X5R1C226M
C3225X5R0J476M
EEE1AA221AP
C4532X5R0J107M
CRCW080575K0FKEA
CRCW080534K8FKEA
CRCW08051K10FKEA
C1608C0G1H181J
CRCW0805100KFKEA
C2012C0G1H103J
Quantity
1
1
2
2
1
1
1
1
1
1
1
1
1
Table 8. Output Voltage Setting (R fbt = 75 k ? )
V OUT
2.5 V
1.8 V
1.5 V
1.2 V
0.9 V
R fbb
34.8 k ?
59 k ?
84.5 k ?
150 k ?
590 k ?
Copyright ? 2010–2013, Texas Instruments Incorporated
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