參數(shù)資料
型號: TPS78533
廠商: Texas Instruments, Inc.
元件分類: 基準電壓源/電流源
英文描述: FAST-TRANSIENT RESPONSE 3-A LOW-DROPOUT VOLTAGE REGULATORS
中文描述: 快速瞬態(tài)響應3 -低壓差電壓調(diào)節(jié)器
文件頁數(shù): 5/24頁
文件大?。?/td> 450K
代理商: TPS78533
www.ti.com
Line regulator (mV)
(
%V
)
V
O
V
Imax
2.8V
100
1000
Line regulator (mV)
(
%V
)
V
O
V
Imax
V
O
1V
100
1000
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
over recommended operating junction temperature range (T
J
= -40
°
C to 125
°
C), V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = V
I
, C
o
=
100 μF (unless otherwise noted)
TPS75801, TPS75815
TPS75818, TPS75825
TPS75833
SLVS330D–JUNE 2001–REVISED MARCH 2004
MIN
MAX
UNIT
V
V
A
°
C
Input voltage, V
I(1)
Output voltage range, V
O
Output current, I
O
Operating virtual junction temperature, T
J
2.8
1.22
5.5
5
3
0
-40
125
(1)
To calculate the minimum input voltage for your maximum output current, use the following equation: V
I(min)
= V
O(max)
+ V
DO(max load)
.
PARAMETER
TEST CONDITIONS
1.22 V
V
O
5.5 V
1.22 V
V
O
5.5 V
1.22 V
V
O
5.5 V, T
J
= 0 to 125
°
C
(1)
T
J
= 25
°
C
2.8 V
V
I
5.5 V
T
J
= 25
°
C
2.8 V
V
I
5.5 V
T
J
= 25
°
C
3.5 V
V
I
5 V
T
J
= 25
°
C
4.3 V
V
I
5.5 V
T
J
= 25
°
C
MIN
TYP
MAX
UNIT
T
J
= 25
°
C
V
O
V
Adjustable
voltage
0.97 V
O
0.97 V
O
1.03 V
O
1.03 V
O
V
2.8 V < V
I
< 5.5 V
1.5
1.5 V Output
V
1.455
1.545
Output voltage
(1)
2.8 V < V
I
< 5.5 V
1.8
1.8 V Output
V
1.746
1.854
3.5 V < V
I
< 5.5 V
2.5
2.5 V Output
V
2.425
2.575
4.3 V < V
I
< 5.5 V
3.3
3.3 V Output
V
3.201
3.399
125
Quiescent current (GND current)
(2)
,
(3)
μA
200
V
O
+ 1 V
V
I
5.5 V,
V
O
+ 1 V
V
I
< 5.5 V
T
J
= 25
°
C
0.04
Output voltage line regulation (
V
O
/V
O
)
(3)
%/V
0.1
Load regulation
(2)
Output noise voltage
Output current limit
Thermal shutdown junction temperature
0.35
35
10
150
0.1
%/V
μVrms
A
°
C
μA
μA
μA
dB
μA
μA
V
V
TPS75815
BW = 300 Hz to 50 kHz, T
J
= 25
°
C, V
I
= 2.8 V
V
O
= 0 V
5.5
14
EN = 0
,
EN = 0
FB = 1.5 V
f = 100 Hz, T
J
= 25
°
C
T
J
= 25
°
C
Standby current
3
1
FB input current
Power supply ripple rejection TPS75815
TPS75801
-1
V
I
= 2.8 V, I
O
= 3 A
62
EN = V
I
EN = 0 V
-1
-1
2
1
1
Input current (EN)
0
High level EN input voltage
Low level EN input voltage
0.7
(1)
(2)
(3)
The adjustable option operates with a 2% tolerance over T
J
= 0 to 125
°
C.
I
= 1 mA to 3 A
If V
O
< 2.5 V then V
Imin
= 2.8 V, V
Imax
= 5.5 V:
If V
O
2.5 V then V
Imin
= V
O
+ 1 V, V
Imax
= 5.5 V:
5
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