LMZ31530 Datasheet, PDF (5/30 Pages) Texas Instruments – 30A SIMPLE SWITCHER® Power Module with 3.0V-14.5V Input in QFN Package

LMZ31530
www.ti.com
SLVSBC7B – OCTOBER 2013 – REVISED DECEMBER 2013
ELECTRICAL CHARACTERISTICS (continued)
T_A = -40°C to 85°C, PVIN = VIN = 12 V, VOUT = 1.8 V, I_OUT = 30A
C_IN = 2x 22 µF ceramic & 330 µF bulk, C_OUT = 4x 100 µF ceramic (unless otherwise noted)
PARAMETER
TEST CONDITIONS
C_OUT
External output capacitance
MIN
100 ⁽⁶⁾
TYP
MAX UNIT
400
5000 µF
(6) A minimum of 100 µF of ceramic capacitance is required at the output. Locate the capacitance close to the device. Adding additional
capacitance close to the load improves the response of the regulator to load transients and reduces ripple. See Table 3 for more details.
DEVICE INFORMATION
RLG PACKAGE
(TOP VIEW)
PGND
49
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
33
PGND
PGND 50
65
PGND 51
PGND
VOUT 52
VOUT 53
VOUT 54
VOUT 55
VOUT 56 _VOUT
VOUT 57
68
VOUT 58
VOUT 59
VOUT 60
V5V 61
PGND 62
PGND 63
PGND 64
PVIN
66
PGND
67
PVIN
69
PGND
70
PGND
72
32 NC
31 NC
30 NC
29 NC
28 PH
27 PH
PH
26 PH
71
25 PH
24 PH
23 PH
22 PH
21 DNC
20 DNC
19 PWRGD
18 ^PWRGD_PU
PGND
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
PGND
Copyright © 2013, Texas Instruments Incorporated
5
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