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參數(shù)資料
| 型號(hào)： | TPS68625 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRALOW-NOISE, HIGH PSRR, FAST RF 1.5 A LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 超低噪聲，高PSRR，快速射頻1.5低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 559K |
| 代理商： | TPS68625 |
www.ti.com
0
10
20
30
40
50
60
70
80
R
μ
V
R
)
C
NR
(
μ
F)
I
OUT
= 1.5 A
C
OUT
= 10
μ
F
BW = 100 Hz to 100 kHz
0.001
μ
F
0.01
μ
F
0.1
μ
F
0.0047
μ
F
0
10
20
30
40
50
60
70
80
f (Hz)
1
10k
10M
1k
R
I
OUT
= 1 mA
I
OUT
= 1.5 A
V
IN
= 4 V
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
10
100
100k
1M
0
100
200
300
400
500
600
402510 5
20 35 50 65 80 95 110 125
T
J
(
°
C)
V
D
V
IN
= 2.7 V
C
OUT
= 10
μ
F
I
OUT
= 1.5 A
0
10
20
30
40
50
60
70
80
f (Hz)
1
10k
10M
1k
R
I
OUT
= 1 mA
I
OUT
= 1.5 A
V
IN
= 4 V
C
OUT
= 10
μ
F
C
NR
= 0.1
μ
F
10
100
100k
1M
0
10
20
30
40
50
60
70
80
f (Hz)
1
10k
10M
1k
R
I
OUT
= 1 mA
I
OUT
= 1.5 A
V
IN
= 4 V
C
OUT
= 2.2
μ
F
C
NR
= 0.01
μ
F
10
100
100k
1M
0
10
20
30
40
50
60
70
80
f (Hz)
1
10k
10M
1k
R
I
OUT
= 1 mA
I
OUT
= 1.5 A
V
IN
= 4 V
C
OUT
= 2.2
μ
F
C
NR
= 0.1
μ
F
10
100
100k
1M
5
4
2
30
60
3
0
30
60
V
I
t (
μ
s
)
60
40
20
0
80 100 120 140 160 180 200
I
OUT
= 1.5 A
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
dv
dt
1 V
s
V
O
t
(μ
s
)
6
5
3
40
80
4
0
40
80
60
40
20
0
80 100 120 140 160 180 200
I
OUT
= 1.5 A
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
dv
dt
1 V
s
V
I
V
O
V
O
t (
μ
s
)
2
1
1
75
150
0
0
75
150
I
O
300
200
100
0
400 500 600 700 800 900 1000
V
IN
= 3.8 V
C
OUT
= 10
μ
F
C
NR
= 0.01
μ
F
di
dt
1.5 A
s
TPS78601, TPS78618
TPS78625, TPS78628
TPS78630, TPS78633
SLVS389D–SEPTEMBER 2002–REVISED OCTOBER 2004
TYPICAL CHARACTERISTICS (continued)
TPS78630
ROOT MEAN SQUARED OUTPUT
NOISE
vs
BYPASS CAPACITANCE
TPS78628
TPS78630
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
RIPPLE REJECTION
vs
FREQUENCY
Figure 7.
Figure 8.
Figure 9.
TPS78630
TPS78630
TPS78630
RIPPLE REJECTION
vs
FREQUENCY
RIPPLE REJECTION
vs
FREQUENCY
RIPPLE REJECTION
vs
FREQUENCY
Figure 10.
Figure 11.
Figure 12.
TPS78618
TPS78630
TPS78628
LINE TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
Figure 13.
Figure 14.
Figure 15.
6
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