Datasheet

LMZ31503
www.ti.com SNVS992 –JULY 2013
Table 4. Output Voltage Transient Response
C
IN1
= 22 µF CERAMIC, C
IN2
= 68 µF POSCAP, LOAD STEP = 1.5 A, 1 A/µs
VOLTAGE RECOVERY TIME
V
OUT
(V) PV
IN
(V) C
OUT1
Ceramic C
OUT2
BULK PEAK-PEAK (mV)
DEVIATION (mV) (µs)
6x 47 µF None 25 55 170
5
6x 47 µF 330 µF 15 30 160
0.8
6x 47 µF None 20 35 180
12
6x 47 µF 330 µF 15 30 170
6x 47 µF None 20 40 170
5
6x 47 µF 330 µF 15 30 170
1.0
6x 47 µF None 20 45 180
12
6x 47 µF 330 µF 15 30 170
4x 47 µF None 30 55 170
5
4x 47 µF 220 µF 25 45 170
1.2
4x 47 µF None 30 55 180
12
4x 47 µF 220 µF 25 50 170
4x 47 µF None 35 65 180
5
4x 47 µF 220 µF 30 55 180
1.8
4x 47 µF None 35 65 190
12
4x 47 µF 220 µF 30 55 180
2x 47 µF None 65 130 190
5
2x 47 µF 100 µF 55 110 190
3.3
2x 47 µF None 65 130 200
12
2x 47 µF 100 µF 60 120 200
1x 47 µF None 100 200 210
5.0 12
1x 47 µF 100 µF 85 170 210
Table 5. Recommended Input/Output Capacitors
(1)
CAPACITOR CHARACTERISTICS
WORKING
VENDOR SERIES PART NUMBER
CAPACITANCE ESR
(2)
VOLTAGE
(µF) (mΩ)
(V)
Murata X5R GRM32ER61E226K 16 22 2
TDK X5R C3225X5R0J476K 6.3 47 2
Murata X5R GRM32ER60J476M 6.3 47 2
Sanyo POSCAP 16TQC68M 16 68 50
Kemet T520 T520V107M010ASE025 10 100 25
Sanyo POSCAP 6TPE100MI 6.3 100 25
Sanyo POSCAP 2R5TPE220M7 2.5 220 7
Kemet T530 T530D227M006ATE006 6.3 220 6
Kemet T530 T530D337M006ATE010 6.3 330 10
Sanyo POSCAP 2TPF330M6 2.0 330 6
Sanyo POSCAP 6TPE330MFL 6.3 330 15
(1) Capacitor Supplier Verification
Please verify availability of capacitors identified in this table.
RoHS, Lead-free and Material Details
Please consult capacitor suppliers regarding material composition, RoHS status, lead-free status, and manufacturing process
requirements.
(2) Maximum ESR @ 100kHz, 25°C.
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