參數(shù)資料
型號: TPS79285
廠商: Texas Instruments, Inc.
英文描述: 200mA Low Quiescent Current, Ultra-Low Noise, High PSRR, Low Dropout Linear Regulator
中文描述: 200mA低靜態(tài)電流,超低噪聲,高PSRR,低壓差線性穩(wěn)壓
文件頁數(shù): 9/18頁
文件大小: 377K
代理商: TPS79285
www.ti.com
90
80
70
60
50
40
30
20
10
0
0.0
1.0
1.5
V
IN
V
OUT
(V)
0.5
2.0
2.5
P
3.0
3.5
4.0
0.1kHz
1kHz
10kHz
100kHz
1MHz
C
NR
= 0.01
μ
F
C
OUT
= 2.2
μ
F
90
80
70
60
50
40
30
20
10
0
0.0
1.0
1.5
V
IN
V
OUT
(V)
0.5
2.0
2.5
P
3.0
3.5
4.0
0.1kHz
100kHz
1kHz
10kHz
1MHz
C
NR
= 0.01
μ
F
C
OUT
= 2.2
μ
F
200
180
160
140
120
100
80
60
40
20
0
0.01
0.1
1
C
NR
(nF)
P
10
I
OUT
= 1mA
C
OUT
= 2.2
μ
F
35
30
25
20
15
10
5
0
0
5
10
15
20
C
OUT
(
μ
F)
T
μ
V
25
I
OUT
= 1mA
C
NR
= 0.01
μ
F
20
μ
s/div
20mV/div
20mV/div
1V/div
V
OUT
V
OUT
V
IN
I
OUT
= 150mA
dV
IN
dt
= 1V/
μ
s
C
OUT
= 10
μ
F
C
OUT
= 2.2
μ
F
3.15V
4.15V
20
μ
s/div
100mV/div
100mV/div
100mA/div
I
OUT
I
OUT
I
OUT
C
OUT
= 2.2
μ
F
C
OUT
= 10
μ
F
V
IN
= 3.35V
150mA
1mA
TPS79901, TPS79915, TPS79916, TPS79918
TPS79925, TPS79927, TPS79928, TPS799285
TPS79929, TPS79930, TPS79932, TPS79933
SBVS056C–JANUARY 2005–REVISED MAY 2005
TYPICAL CHARACTERISTICS (continued)
Over operating temperature range (T
J
=- 40°C to +125°C), V
IN
=V
OUT(TYP)
+ 0.3V or 2.7V, whichever is greater; I
OUT
=1mA, V
EN
=
V
IN
, C
OUT
=2.2μF, C
NR
=0.01μF, unless otherwise noted. For TPS79901, V
OUT
=3.0V. Typical values are at T
J
=+25°C.
POWER-SUPPLY RIPPLE REJECTION vs
V
IN
- V
OUT
, I
OUT
= 100mA
POWER-SUPPLY RIPPLE REJECTION vs
V
IN
- V
OUT
, I
OUT
= 200mA
Figure 19.
Figure 20.
TPS799285
TOTAL NOISE vs C
NR
TPS799285
TOTAL NOISE vs C
OUT
Figure 21.
Figure 22.
TPS799285
TPS799285
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
Figure 23.
Figure 24.
9
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