LMZ10505EXT
SNVS669G – JUNE 2010 – REVISED OCTOBER 2013
U1
www.ti.com
V IN
1
VIN
VOUT
6, 7
Optional
V OUT
C in2
+
C in1
2
EN
LMZ10505EXT
FB
5
R fbt
Ccomp
C O1
C O2
C O3
Optional
SS
3
C SS
GND
4, EP
R comp
R fbb
Figure 20.
Table 5. Bill of Materials, V IN = 3.3V to 5V, V OUT = 2.5V, I OUT (MAX) = 5A,
Optimized for Low Input and Output Ripple Voltage and Fast Transient Response
Designator
U1
C in1
C in2
C O1
C O2
C O3
R fbt
R fbb
R comp
C comp
C SS
Description
SIMPLE SWITCHER?
22 μF, X5R, 10V
220 μF, 10V, AL-Elec
4.7 μF, X5R, 10V
22 μF, X5R, 6.3V
100 μF, X5R, 6.3V
75 k ?
34.8 k ?
1.0 k ?
100 pF, ±5%, C0G, 50V
10 nF, ±10%, X7R, 16V
Case Size
PFM-7
1210
E
0805
1206
1812
0402
0402
0402
0402
0402
Manufacturer
Texas Instruments
AVX
Panasonic
AVX
AVX
AVX
Vishay Dale
Vishay Dale
Vishay Dale
Murata
Murata
Manufacturer P/N
LMZ10505EXTTZ
1210ZD226MAT
EEE1AA221AP
0805ZD475MAT
12066D226MAT
18126D107MAT
CRCW040275K0FKED
CRCW040234K8FKED
CRCW04021K00FKED
GRM1555C1H101JZ01
GRM155R71C103KA01
Quantity
1
2
1 (1)
1 (1)
1 (1)
1
1
1
1
1
1
(1)
Optional components, include for low input and output voltage ripple.
Table 6. 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 ?
18
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