參數(shù)資料
型號(hào)： TPS736XX_08
廠商： Texas Instruments, Inc.
英文描述： Cap-Free, NMOS, 400mA Low-Dropout Regulator with Reverse Current Protection
中文描述： 無電容，NMOS管，400mA的低壓差穩(wěn)壓器的反向電流保護(hù)
文件頁數(shù)： 3/26頁
文件大?。?/td> 873K
代理商： TPS736XX_08
www.ti.com
ELECTRICAL CHARACTERISTICS
Over operating temperature range (T
J
= –40
°
C to +125
°
C), V
IN
= V
OUT(nom)
+ 0.5V
(1)
, I
OUT
= 10mA, V
EN
= 1.7V, and
C
OUT
= 0.1
μ
F, unless otherwise noted. Typical values are at T
J
= +25
°
C.
TPS736xx
SBVS038Q–SEPTEMBER 2003–REVISED AUGUST 2007
PARAMETER
Input voltage range
(1) (2)
Internal reference (TPS73601)
Output voltage range
(TPS73601)
TEST CONDITIONS
MIN
1.7
1.198
TYP
MAX
5.5
1.210
UNIT
V
V
V
IN
V
FB
T
J
= +25
°
C
1.20
V
FB
5.5 – V
DO
V
V
OUT
Nominal
over V
IN
, I
OUT
,
and T
T
J
= +25
°
C
V
OUT
+ 0.5V
≤
V
IN
≤
5.5V;
10mA
≤
I
OUT
≤
400mA
V
O(nom)
+ 0.5V
≤
V
IN
≤
5.5V
1mA
≤
I
OUT
≤
400mA
10mA
≤
I
OUT
≤
400mA
–0.5
+0.5
Accuracy
(1)
%
–1.0
±0.5
+1.0
Δ
V
OUT
%/
Δ
V
IN
Line regulation
(1)
0.01
0.002
0.0005
%/V
Δ
V
OUT
%/
Δ
I
OUT
Load regulation
%/mA
Dropout voltage
(5)
(V
IN
= V
OUT(nom)
– 0.1V)
Output impedance in dropout
V
DO
I
OUT
= 400mA
75
200
mV
Z
O
(DO)
1.7V
≤
V
IN
≤
V
OUT
+ V
DO
V
OUT
= 0.9
×
V
OUT(nom)
3.6V
≤
V
IN
≤
4.2V, 0
°
C
≤
T
J
≤
+70
°
C
V
OUT
= 0V
V
EN
≤
0.5V, 0V
≤
V
IN
≤
V
OUT
I
OUT
= 10mA (I
Q
)
I
OUT
= 400mA
V
EN
≤
0.5V, V
OUT
≤
V
IN
≤
5.5,
–40
°
C
≤
T
J
≤
+100
°
C
0.25
650
mA
mA
mA
μ
A
400
500
800
800
I
CL
Output current limit
I
SC
I
REV
Short-circuit current
Reverse leakage current
(6)
(–I
IN
)
450
0.1
400
800
10
550
1000
I
GND
Ground pin current
μ
A
I
SHDN
Shutdown current (I
GND
)
0.02
1
μ
A
I
FB
FB pin current (TPS73601)
0.1
58
37
0.3
μ
A
f = 100Hz, I
OUT
= 400mA
f = 10KHz, I
OUT
= 400mA
C
OUT
= 10
μ
F, No C
NR
C
OUT
= 10
μ
F, C
NR
= 0.01
μ
F
V
OUT
= 3V, R
L
= 30
C
OUT
= 1
μ
F,
C
NR
= 0.01
μ
F
Power-supply rejection ratio
(ripple rejection)
PSRR
dB
27
×
V
OUT
8.5
×
V
OUT
Output noise voltage
BW = 10Hz – 100KHz
V
N
μ
V
RMS
t
STR
Startup time
600
μ
s
V
EN
(HI)
V
EN
(LO)
I
EN
(HI)
Enable high (enabled)
Enable low (shutdown)
Enable pin current (enabled)
1.7
0
V
IN
0.5
0.1
V
V
μ
A
V
EN
= 5.5V
Shutdown, temperature increasing
Reset, temperature decreasing
0.02
+160
+140
T
SD
Thermal shutdown temperature
°
C
T
J
Operating junction temperature
–40
+125
°
C
(1)
(2)
Minimum V
IN
= V
+ V
or 1.7V, whichever is greater.
For V
< 1.6V, when V
≤
1.6V, the output will lock to V
and may result in a damaging over-voltage level on the output. To
avoid this situation, disable the device before powering down the V
IN
.
TPS73601 is tested at V
= 2.5V.
Tolerance of external resistors not included in this specification.
V
is not measured for fixed output versions with V
< 1.8V.
Fixed-voltage versions only; refer to
Applications
section for more information.
(3)
(4)
(5)
(6)
Copyright 2003–2007, Texas Instruments Incorporated
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Product Folder Link(s):
TPS736xx
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