參數(shù)資料
型號： L491333DIE2V
廠商： STMICROELECTRONICS
元件分類： 固定正電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器
英文描述： 3.3 V FIXED POSITIVE REGULATOR, UUC
封裝： DIE
文件頁數(shù)： 9/13頁
文件大小： 539K
代理商： L491333DIE2V
RHFL4913 FIXED VERSION
5/13
Table 6: Environmental Characteristics
Table 7: Electrical Characteristics (TJ = 25°C, VI=VO+2.5V, CI=CO=1F, unless otherwise specified)
Parameter
Conditions
Typical
Unit
Output Voltage thermal drift
-55°C to 125°C
40
ppm/°C
Output Voltage radiation drift
from 0 krad to 300 krad at 0.55rad/sec
8
ppm/krad
Output Voltage radiation drift
from 0 krad to 300 krad, Mil 1019.6
6
ppm/krad
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VI
Operating Input Voltage
IO = 2A (FLAT-16) or 3A (SMD.5
& TO-257)
12
V
VO
Output Voltage accuracy
VI = VO+2.5V, IO = 5mA
-2
2
%
ISHORT
Output Current Limit (*)
Adjustable by mask/external resistor
4.5
A
VO
Operating Output Voltage IO = 2 A, 2.5 V output voltage
2.45
2.55
V
VO
Operating Output Voltage IO = 2 A, 3.3 V output voltage
3.23
3.37
V
VO
Operating Output Voltage IO = 2 A, 5.0 V output voltage
4.9
5.1
V
VO/VI Line Regulation
VI = VO+2.5V to 12 V, IO = 5mA (+25°C)
0.3
%
VI = VO+2.5V to 12 V, IO = 5mA (-55°C)
0.4
%
VI = VO+2.5V to 12 V, IO = 5mA (+125°C)
0.4
%
VO/VO Load Regulation
VI = VO+2.5V, IO = 5mA to 400 mA (+25°C)
0.2
%
VI = VO+2.5V, IO = 5mA to 400 mA (-55°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 400 mA (+125°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 1A (+25°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 1A (-55°C)
0.4
%
VI = VO+2.5V, IO = 5mA to 1A (+125°C)
0.4
%
ZOUT
Output Impedance
IO = 100 mA DC and 20 mA rms
100
m
Iq
Quiescent Current
VI = VO+2.5V, IO = 30mA
On Mode
8
mA
VI = VO+2.5V, IO = 300mA
On Mode
25
VI = VO+2.5V, IO = 1A
On Mode
60
VI = VO+2.5V, IO = 3A
On Mode
(Only for SMD.5 and TO-257)
150
VI = VO+2V, VINH = 2.4V
Off Mode
1
Iq
Quiescent Current
VI =VO+2.5V, IO=1A, TJ=+125°COn Mode
40
mA
VI =VO+2.5V, IO=1A, TJ=-55°COn Mode
100
Vd
Dropout Voltage
IO = 400mA
TJ = -55°C
300
400
mV
IO = 400mA
TJ = +25°C
350
450
IO = 400mA
TJ = +125°C
450
550
IO = 1A
TJ = -55°C
550
IO = 1A
TJ = +25°C
650
IO = 1A
TJ = +125°C
800
IO = 2A
TJ = +25°C
750
IO = 2A
TJ = +125°C
950
VINH(ON) Inhibit Voltage
IO = 5mA, TJ= -55 to 125°C
0.8
V
VINH(OFF) Inhibit Voltage
IO = 5mA, TJ= -55 to 125°C
2.4
V
SVR
Supply Voltage Rejection
(*)
VI = VO+2.5V ± 1V, IO = 5mA
f = 120Hz
60
70
dB
f = 33KHz
30
40
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