參數(shù)資料
型號： REG104GA-2.7G4
廠商： Texas Instruments, Inc.
英文描述： DMOS 1A Low-Dropout Regulator
中文描述： DMOS的1A低壓差穩(wěn)壓器
文件頁數(shù)： 3/22頁
文件大?。?/td> 439K
代理商： REG104GA-2.7G4
REG104
SBVS025G
3
REG104GA
REG104FA
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
Output Voltage Range
REG104-2.5
REG104-2.7
REG104-3.0
REG104-3.3
REG104-5
REG104-A
Reference Voltage
Adjust Pin Current
Accuracy
T
=
–
40
°
C to +85
°
C
vs Temperature
vs Line and Load
T
J
=
–
40
°
C to +85
°
C
DC DROPOUT VOLTAGE
(2, 3)
For all models except 5V
For 5V model
For all models except 5V
T
=
–
40
°
C to +85
°
C
For 5V models
T
J
=
–
40
°
C to +85
°
C
VOLTAGE NOISE
f = 10Hz to 100kHz
Without C
(all models)
With C
NR
(all fixed voltage models)
OUTPUT CURRENT
Current Limit
(4)
T
J
=
–
40
°
C to +85
°
C
RIPPLE REJECTION
f = 120Hz
V
OUT
2.5
2.7
3.0
3.3
5
V
V
V
V
V
V
V
μ
A
%
%
V
REF
5.5
V
REF
I
ADJ
1.295
0.2
±
0.5
1
±
2
±
3.0
dV
OUT
/dT
T
=
–
40
°
C to +85
°
C
70
±
0.5
ppm/
°
C
%
%
I
OUT
= 10mA to 1A, V
= (V
+ 0.7V) to 15V
V
IN
= (V
OUT
+ 0.9V) to 15V
I
OUT
= 10mA
I
OUT
= 1A
I
OUT
= 1A
I
OUT
= 1A
±
2.5
±
3.5
25
400
500
480
V
DROP
3
mV
mV
mV
mV
230
320
I
OUT
= 1A
580
mV
V
n
C
= 0, C
OUT
= 0
C
NR
= 0.01
μ
F, C
OUT
= 10
μ
F
35
μ
V
RMS
/V
V
OUT
10
μ
V
RMS
/V
V
OUT
μ
V
RMS
μ
V
RMS
I
CL
1.2
1.0
1.7
2.1
2.2
A
A
65
dB
ENABLE CONTROL
V
ENABLE
High (output enabled)
V
ENABLE
Low (output disabled)
I
ENABLE
High (output enabled)
I
Low (output disabled)
Output Disable Time
Output Enable Softstart Time
V
ENABLE
2
V
IN
0.5
100
100
V
V
nA
nA
μ
s
ms
–
0.2
I
ENABLE
V
ENABLE
= 2V to V
, V
= 2.1V to 6.5
(5)
V
ENABLE
= 0V to 0.5V
1
2
50
1.5
THERMAL SHUTDOWN
Junction Temperature
Shutdown
Reset from Shutdown
150
130
°
C
°
C
GROUND PIN CURRENT
Ground Pin Current
I
GND
I
OUT
= 10mA
OUT
= 1A
V
ENABLE
≤
0.5V
0.5
1.7
0.5
0.7
1.8
mA
mA
μ
A
Enable Pin Low
INPUT VOLTAGE
Operating Input Voltage Range
(6)
Specified Input Voltage Range
T
J
=
–
40
°
C to +85
°
C
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance
DDPAK-5 Surface Mount
SOT223-5 Surface Mount
V
IN
2.1
15
15
15
V
V
V
V
IN
> 2.7V
V
IN
> 2.9V
V
OUT
+ 0.7
V
OUT
+ 0.9
T
J
–
40
–
55
–
65
+85
+125
+150
°
C
°
C
°
C
θ
JC
θ
JC
Junction-to-Case
Junction-to-Case
4
°
C/W
°
C/W
15
NOTES: (1) The REG104 does not require a minimum output capacitor for stability. However, transient response can be improved with proper capacitor selection.
(2) Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the output voltage from the value at V
IN
= V
OUT
+ 1V
at fixed load.
(3) Not applicable for V
less than 2.7V.
(4) Current limit is the output current that produces a 15% change in output voltage from V
IN
= V
OUT
+ 1V and I
OUT
= 10mA.
(5) For V
> 6.5V, see typical characteristic V
ENABLE
vs I
ENABLE
.
(6) The REG104 no longer regulates when V
IN
+ V
. In drop-out or when the input voltage is between 2.7V and 2.1V, the impedance from V
IN
to V
OUT
is typically less than 1
at T
J
= +25
°
C. See typical characteristic Output Voltage Change vs V
IN
.
ELECTRICAL CHARACTERISTICS
Boldface
limits apply over the specified temperature range,
T
J
=
–
40
°
C to +85
°
C
At T
J
= +25
°
C, V
IN
= V
OUT
+ 1V (V
OUT
= 3.0V for REG104-A), V
ENABLE
= 2V, I
OUT
= 10mA, C
NR
= 0.01
μ
F, and C
OUT
= 0.1
μ
F
(1)
, unless otherwise noted.
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REG104GA-3.3 功能描述:低壓差穩(wěn)壓器 - LDO DMOS 1A LDO Reg 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(dòng)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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