參數(shù)資料
型號(hào)： LM9071T
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： Low-Dropout System Voltage Regulator with Delayed Reset
中文描述： 5 V FIXED POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PSFM5
封裝： PLASTIC, TO-220, 5 PIN
文件頁(yè)數(shù)： 2/7頁(yè)
文件大?。?/td> 193K
代理商： LM9071T
Absolute Maximum Ratings
(Note 1)
DC Input Voltage
Positive Input Transient (t
<
100 ms)
Negative Input Transient (t
<
1 ms)
Reset Output Sink Current
Power Dissipation
Junction Temperature
ESD Susceptibility (Note 2)
Lead Temperature
(Soldering, 10 seconds)
26V to +26V
60V
50V
5 mA
Internally Limited
150C
12 kV, 2 kV
260C
Storage Temperature
50C to +150C
Operating Ratings
(Note 1)
Input Voltage
Ambient Temperature
θ
jc, TO-220, TO-263 Packages
θ
ja, TO-220, TO-263 Packages
6V to 26V
40C to +125C
3C/W
43C/W
Electrical Characteristics
The following specifications apply for V
CC
= 6V to 26V, 40C
≤
T
A
≤
+125C, unless otherwise specified. C
OUT
= 47 μFd with
an ESR
3
. C
IN
=1 μFd.
Symbol
Parameter
REGULATOR OUTPUT
V
OUT
Output Voltage
5 mA
≤
I
OUT
≤
250 mA
V
OUT
Line
Line Regulation
I
OUT
= 5 mA, 9V
≤
V
IN
≤
16.5V
I
OUT
= 250 mA
V
OUT
Load
Load Regulation
V
IN
= 14.4V, 5 mA
≤
I
OUT
≤
250 mA
Iq
Quiescent Current
I
OUT
= 5 mA
I
OUT
= 250 mA, V
IN
≥
8V
I
OUT
= 5 mA, V
IN
= 5V
I
OUT
= 250 mA, V
IN
= 6V
Vdo
Dropout Voltage
I
OUT
= 5 mA
I
OUT
= 250 mA
Isc
Short Circuit Current
R
L
= 1
RR
Ripple Rejection
F
ripple
= 120 Hz, V
ripple
= 1 Vrms
I
OUT
= 50 mA
OVthr
Overvoltage Shutdown
Threshold
V
O
Transient
V
OUT
during Transients
V
IN
Peak
≤
60V, R
L
= 100
,
τ
= 100 ms
RESET OUTPUT
Vth
Threshold Voltage
V
OUT
Required to Generate a Reset
Output
4.8V
≤
V
OUT
≤
5.2V
Vlow
Reset Output Low Voltage
Isink = 1.6 mA, V
OUT
>
3.2V
1.4V
≤
V
OUT
≤
3.2V
Vhigh
Reset Output High Voltage
Conditions
Min
Max
Units
4.85
5.15
25
50
60
4
25
10
50
300
800
1.5
V
mV
mV
mV
mA
mA
mA
mA
mV
mV
A
0.35
60
dB
27
V
7
V
300
500
mV
0.4
0.8
V
V
V
0.8
V
OUT
7.6
10
12
t
delay
Idelay
Rpu
Delay Time
Charging Current for Cdelay
Internal Pull-up Resistance
Cdelay = 100 mFd
35
30
80
ms
μA
k
Note 1: Absolute Maximum Ratings
indicate limits beyond which damage to the device may occur.
Operating Ratings
indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and conditions, see the
Electrical Characteristics.
Note 2:
All pins will survive an ESD impulse of
±
2000V using the human body model of 100 pF discharged through a 1.5 k
resistor. In addition the input voltage
pin will withstand ten pulses of
±
12 kV from a 150 pF capacitor discharged through a 560
resistor when bypassed with a 22 nF, 100V capacitor.
L
www.national.com
2
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