參數(shù)資料
型號： TPS799XXYZU
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的，低靜態(tài)電流，超低噪聲，高PSRR低壓降線性穩(wěn)壓器
文件頁數(shù)： 3/21頁
文件大小： 453K
代理商： TPS799XXYZU
www.ti.com
ELECTRICAL CHARACTERISTICS
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
= V
, C
= 2.2
μ
F, C
= 0.01
μ
F, unless otherwise noted. For TPS79901, V
OUT
= 3.0V.
Typical values are at T
J
= +25
°
C.
TPS799xx
SBVS056G–JANUARY 2005–REVISED AUGUST 2006
PARAMETER
Input voltage range
(1)
Internal reference (TPS79901)
Output voltage range (TPS79901)
Output accuracy
TEST CONDITIONS
MIN
2.7
1.169
V
FB
–1.0
TYP
MAX
6.5
1.217
UNIT
V
V
V
%
V
IN
V
FB
V
OUT
V
OUT
1.193
6.5 – V
DO
Nominal
Over V
,
I
OUT
, Temp
T
J
= +25
°
C
V
+ 0.3V
≤
V
≤
6.5V
500
μ
A
≤
I
OUT
≤
200mA
V
OUT(NOM)
+ 0.3V
≤
V
IN
≤
6.5V
500
μ
A
≤
I
OUT
≤
200mA
+1.0
V
OUT
Output accuracy
(1)
–2.0
±
1.0
+2.0
%
V
OUT
%/
V
IN
V
OUT
%/
I
OUT
Line regulation
(1)
Load regulation
Dropout voltage
(2)
(V
IN
= V
OUT(NOM)
– 0.1V)
Dropout voltage
(V
IN
= V
OUT(NOM)
– 0.1V)
Output current limit
Ground pin current
Shutdown current (I
GND
)
Feedback pin current (TPS79901)
0.02
0.002
%/V
%/mA
V
DO
V
OUT
< 3.3V
I
OUT
= 200mA
100
175
mV
V
DO
V
OUT
≥
3.3V
I
OUT
= 200mA
90
160
mV
I
CL
I
GND
I
SHDN
I
FB
V
OUT
= 0.9
×
V
OUT(NOM)
500
μ
A
≤
I
OUT
≤
200mA
V
EN
≤
0.4V, 2.7V
≤
V
IN
≤
6.5V
200
400
40
0.15
600
60
1.0
0.5
mA
μ
A
μ
A
μ
A
dB
dB
dB
dB
μ
V
RMS
μ
V
RMS
μ
s
μ
s
μ
s
μ
s
V
V
μ
A
°
C
–0.5
f = 100Hz
f = 1kHz
f = 10kHz
f = 100kHz
C
NR
= 0.01
μ
F
C
NR
= none
C
NR
= 0.001
μ
F
C
NR
= 0.047
μ
F
C
NR
= 0.01
μ
F
C
NR
= none
70
66
51
38
Power-supply rejection ratio
V
IN
= 3.85V, V
OUT
= 2.85V,
C
NR
= 0.01
μ
F, I
OUT
= 100mA
PSRR
10.5 x V
OUT
94 x V
OUT
Output noise voltage
BW = 10Hz to 100kHz, V
OUT
= 2.8V
V
N
45
45
50
50
Startup time
V
OUT
= 2.85V,
R
L
= 14
, C
OUT
= 2.2
μ
F
T
STR
V
EN(HI)
V
EN(LO)
I
EN(HI)
Enable high (enabled)
Enable low (shutdown)
Enable pin current, enabled
1.2
V
IN
0.4
1.0
0
V
EN
= V
IN
= 6.5V
Shutdown, temperature
increasing
Reset, temperature decreasing
0.03
165
TSD
Thermal shutdown temperature
145
°
C
°
C
V
mV
T
J
Operating junction temperature
Under-voltage lock-out
Hysteresis
–40
1.90
+125
2.65
V
IN
rising
V
IN
falling
2.20
70
UVLO
(1)
(2)
Minimum V
= V
+ V
or 2.7V, whichever is greater.
V
DO
is not measured for devices with V
OUT(NOM)
< 2.8V because minimum V
IN
= 2.7V.
3
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