參數資料
型號: TPS5110PWG4
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: 21/43頁
文件大小: 813K
代理商: TPS5110PWG4
TPS5110
SLVS025B APRIL 2002 REVISED JULY 2004
28
www.ti.com
APPLICATION INFORMATION
output voltage
The output voltage sensing trace should be isolated by either ground plane.
The output voltage sensing trace should not be placed under the inductors on same layer.
The feedback components should be isolated from output components, such as, MOSFETs, inductors,
and output capacitors. Otherwise the feedback signal line is susceptible to output noise.
The resistors for set up output voltage should be referenced to ANAGND.
The INV trace should be as short as possible.
UDG02074
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 23. Output Voltage Diagram
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