參數(shù)資料
型號： TPS796XX
廠商： Texas Instruments, Inc.
英文描述： ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS
中文描述： 超低噪聲，高PSRR，快速，射頻低壓差線性穩(wěn)壓器1A條
文件頁數(shù)： 3/33頁
文件大小： 899K
代理商： TPS796XX
www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating temperature range (T
J
= –40
°
C to +125
°
C), V
EN
= V
IN,
, V
IN
= V
OUT(nom)
+ 1 V
(1)
, I
OUT
= 1mA,
C
OUT
= 10
μ
F, and C
NR
= 0.01
μ
F, unless otherwise noted. Typical values are at +25
°
C.
TPS796xx
SLVS351I–SEPTEMBER 2002–REVISED MAY 2006
PARAMETER
TEST CONDITIONS
MIN
2.7
1.200
TYP
MAX
5.5
1.250
UNIT
V
V
A
V
IN
Input voltage
(1)
V
FB
Internal reference (TPS79601)
I
OUT
Continuous output current
Output
voltage
range
1.225
0
1
TPS79601
1.225
5.5 – V
DD
V
TPS79601
(2)
Fixed
V
OUT
< 5V
Fixed
V
OUT
= 5V
0
μ
A
≤
I
OUT
≤
1A, V
OUT
+ 1V
≤
V
IN
≤
5.5V
(1)
0.98V
OUT
V
OUT
1.02V
OUT
V
Output
voltage
0
μ
A
≤
I
OUT
≤
1A, V
OUT
+ 1V
≤
V
IN
≤
5.5V
(1)
–2.0
+2.0
%
Accuracy
0
μ
A
≤
I
OUT
≤
1A, V
OUT
+ 1V
≤
V
IN
≤
5.5V
(1)
–3.0
+3.0
%
Output voltage line regulation
(
V
OUT
%/V
IN
)
(1)
Load regulation (
V
OUT
%/
I
OUT
)
V
OUT
+ 1V
≤
V
IN
≤
5.5V
0.05
0.12
%/V
0
μ
A
≤
I
OUT
≤
1A
I
OUT
= 1A
I
OUT
= 250mA
I
OUT
= 1A
I
OUT
= 1A
I
OUT
= 1A
V
OUT
= 0V
0
μ
A
≤
I
OUT
≤
1A
V
EN
= 0V, 2.7V
≤
V
IN
≤
5.5V
V
FB
= 1.225V
f = 100Hz, I
OUT
= 10mA
f = 100Hz, I
OUT
= 1A
f = 10Hz, I
OUT
= 1A
f = 100Hz, I
OUT
= 1A
5
mV
TPS79628
TPS79628DRB
TPS79630
TPS79633
TPS79650
270
52
250
220
200
365
90
345
325
300
4.2
385
Dropout voltage
(3)
(V
IN
= V
OUT (nom)
– 0.1V)
mV
Output current limit
Ground pin current
Shutdown current
(4)
FB pin current
2.4
A
μ
A
μ
A
μ
A
265
0.07
1
1
59
54
53
42
54
46
41
40
50
75
110
Power-supply ripple
rejection
TPS79630
dB
C
NR
= 0.001
μ
F
C
NR
= 0.0047
μ
F
C
NR
= 0.01
μ
F
C
NR
= 0.1
μ
F
C
NR
= 0.001
μ
F
C
NR
= 0.0047
μ
F
C
NR
= 0.01
μ
F
BW = 100Hz to 100kHz,
I
OUT
= 1A
Output noise voltage (TPS79630)
μ
V
RMS
Time, start-up (TPS79630)
R
L
= 3
, C
OUT
= 1
μ
F
μ
s
EN pin current
High-level enable input voltage
Low-level enable input voltage
V
EN
= 0V
2.7V
≤
V
IN
≤
5.5V
2.7V
≤
V
IN
≤
5.5V
–1
1.7
1
μ
A
V
V
V
IN
0.7
0
(1)
(2)
(3)
(4)
Minimum V
= V
+ V
or 2.7V, whichever is greater. TPS79650 is tested at V
IN
= 5.5V.
Tolerance of external resistors not included in this specification.
V
is not measured for TPS79618 and TPS79625 because minimum V
= 2.7V.
For adjustable version, this applies only after V
IN
is applied; then V
EN
transitions high to low.
3
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TPS79718DCKT 功能描述:低壓差穩(wěn)壓器 - LDO 10-mA 1.8-V LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS79718DCKTG4 功能描述:低壓差穩(wěn)壓器 - LDO 10-mA 1.8-V LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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