參數資料
型號: TPS5110PW
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO24
封裝: GREEN, PLASTIC, TSSOP-24
文件頁數: 17/43頁
文件大?。?/td> 813K
代理商: TPS5110PW
TPS5110
SLVS025B APRIL 2002 REVISED JULY 2004
24
www.ti.com
APPLICATION INFORMATION
low-side MOSFET(s)
The source of low-side MOSFET(s) should be referenced to DRVGND, otherwise ANAGND is subject
to the noise of the outputs.
DRVGND should be connected to the main ground plane close to the source of the low-side FET.
OUTGND should be placed close to the source of low-side MOSFET(s).
The Schottky diode anode, the returns for the high-frequency bypass capacitor for the MOSFETs, and
the source of the low-side MOSFET(s) traces should be routed as close together as possible.
UDG02070
1
INV
4
PWM_SEL
7
REF
24
23
17
LH
OUT_u
REG5V_IN
22
21
LL
OUT_d
16
15
LDO_IN
LDO_CUR
14
13
LDO_GATE
LDO_OUT
TPS5110PW
VIN
V
O1
EX5V
V
O2
2FB
5CT
3
SOFTSTART
6
GND
10
FLT
8
STBY
9
STBY_LDO
11
POWERGOOD
12
INV_LDO
20
19
OUTGND
TRIP
18
VIN_SENSE
V
OGND
ANAGND
DRVGND
Figure 19. Low-Side MOSFETs Diagram
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