參數(shù)資料
型號: TPS65530RSLRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 3.3 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PQCC48
封裝: 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, QFN-48
文件頁數(shù): 17/31頁
文件大?。?/td> 931K
代理商: TPS65530RSLRG4
Layout Consideration
SLVS744C – OCTOBER 2007 – REVISED MAY 2008....................................................................................................................................................... www.ti.com
Table 27. Recommended Parts for Capacitor (Input, CH8)
VENDOR
TYPE NO.
CAPACITANCE (
F)
TOLERANCE (%)
SIZE (mm)
TDK
C3216X5R0J226M
22
20
3.2
× 1.6 × 0.85 (EIA code: 1206)
Table 28. Recommended Parts for Capacitor (Output, CH8)
VENDOR
TYPE NO.
CAPACITANCE (
F)
TOLERANCE (%)
SIZE (mm)
TDK
C1608X5R0J475M
4.7
20
1.6
× 0.8 × 0.8 (EIA code: 0603)
Table 29. Recommended Parts for FET (CH8)
ID (DC)
Rds(on)
QG (N-ch)
QG (P-ch)
VENDOR
TYPE NO.
(N-ch) (A)
(P-ch) (A)
(N-ch) (
)
(P-ch) (
)
(nQ)
ON
NTZD3155C
0.54
–0.43
0.4/4.5 V
0.5/–4.5 V
1.5
1.7
Semiconductor
Sanyo
SCH2615
1.2
–0.9
0.28/4 V
0.47/–4.5 V
1.15
1.43
To avoid ground shift problems due to the high currents in the switches, separate AGND (pin 10) from PGND1
(pin 20), PGND2 (pin 14), PGND3 (pin 25), PGND4 (pin 2), and PGND5/7 (pin 37). The reference GND for all
control signals, such as XSLEEP, is AGND. The power switches inside the IC are connected to PGND1, PGND2,
PGND3, PGND4, and PGND5/7. Both grounds must be connected on the printed circuit board (PCB) (ideally at
only one point).
24
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65530
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