參數(shù)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(shù): 26/43頁
文件大?。?/td> 813K
代理商: TPS5110PWG4
TPS5110
SLVS025B APRIL 2002 REVISED JULY 2004
32
www.ti.com
APPLICATION INFORMATION
Figure 36
IOUT
1 A/div.
VOUT
VIN = 12 V, VLDO_IN = 1.8 V, V
O
2 = 1.5 V
0 A
LDO LOAD TRANSIENT RESPONSE
t time 100
s/div.
50
mV/div
.
Figure 37
VO2(LDO)
VO1(SBRC)
I O1 = 4 A, I O2 = 3 A
0 V
SBRC-LDO SIMULTANEOUS START-UP
t time 1
s/div.
0.5
V/div
.
Figure 38
100
1 k
10 k
100 k
1 M
Frequency Hz
120
60
0
60
120
180
240
40
20
0
20
40
60
80
Phase
Gain
Phase Margin = 48
SBRC GAIN AND PHASE
Gain
d
B
Phase
Degree
VIN = 12 V
Vo1 = 1.8 V, Io1 = 6 A
Figure 39
100
1 k
10 k
100 k
1 M
Frequency Hz
120
60
0
60
120
180
240
40
20
0
20
40
60
80
Phase
Gain
Phase Margin = 81
LDO GAIN AND PHASE
Gain
d
B
Phase
Degree
VLDO_IN = 1.8 V
Vo2 = 1.5 V, Io2 = 3 A
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