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參數資料
| 型號： | LM9072 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual Tracking Low-Dropout System Regulator |
| 中文描述： | 雙跟蹤低壓差穩壓器系統 |
| 文件頁數： | 2/15頁 |
| 文件大小： | 477K |
| 代理商： | LM9072 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage (Continuous)
Input Voltage (Transient, t
≤
400 ms)
Forced Output Voltages
Main Output
Tracking Output
ON/OFF Input Voltage (Note 6)
ON/OFF Input Current
Keep Alive In, Reset Out,
C
DELAY
Voltage
45V to 45V
60V
0.3V to 7V
0.3V to 27V
0.3V to 16V
±
20 mA
0.3V to 7V
Junction Temperature
Storage Temperature Range
ESD Susceptibility (Note 2)
Lead Temperature
(Soldering, 10 seconds)
150C
65C to +150C
2000V
265C
Operating Ratings
(Note 1)
Input Voltage Range
Ambient Temperature Range
Thermal Resistance,
θ
J-C
Thermal Resistance,
θ
J-A
6V to 27V
40C to +125C
4C/W
43C/W
Electrical Characteristics
6.0V
≤
V
IN
≤
19V, T
CASE
= 25C, unless otherwise specified. C
OUT
≥
6 μF with 0.3
≤
ESR
≤
3
on each regulator output.
Symbol
Parameter
Conditions
MAIN REGULATOR
V
MAIN
Output Voltage
5 mA
≤
I
LOAD
≤
350 mA
40C
≤
T
CASE
≤
125C
19V
≤
V
IN
≤
V
SD
,
5 mA
≤
I
LOAD
≤
350 mA
40C
≤
T
CASE
≤
125C
R
MLOAD
Load Regulation
V
IN
= 16V, 5 mA
≤
I
LOAD
≤
350 mA
R
MLINE
Line Regulation
I
LOAD
= 350 mA, 8V
≤
V
IN
≤
16V
V
MDO
Dropout Voltage, V
IN
–V
MAIN
(Note 5)
V
SD
Overvoltage Shutdown Threshold
I
MSC
Output Short Circuit Current
R
L
= 1
R
MRR
Ripple Rejection
V
IN
= 9V, 50
≤
Freq
≤
20 kHz,
V
RIPPLE
= 4V
P-P
TRACKING REGULATOR
V
TRACK
Output Voltage
1 mA
≤
I
LOAD
≤
80 mA
40C
≤
T
CASE
≤
125C
19V
≤
V
IN
≤
V
SD
1 mA
≤
I
LOAD
≤
80 mA
40C
≤
T
CASE
≤
125C
V
ERROR
Output Tracking Error
(V
MAIN
–V
TRACK
)
V
TDO
Dropout Voltage,
V
IN
–V
TRACK
(Note 5)
V
SD
Overvoltage Shutdown Threshold
I
TSC
Output Short Circuit Current
R
L
= 1
V
TSC
Output Short Circuit Voltage
No Effect On Other Functions
R
TRR
Ripple Rejection
V
IN
= 9V, 50
≤
Freq
≤
20 kHz,
V
RIPPLE
= 4V
P-P
INPUT CURRENT
I
qOFF
Quiescent Input Current with
Both Regulators OFF
16V
≤
V
IN
≤
42V
I
q
No Load Quiescent Current
8V
≤
V
IN
≤
19V, I
L
= 0 mA
In
ON
Additional Input Current with
Both Regulators ON
I
Ltotal
= 350 mA + 80 mA = 430 mA
Iin
do
Additional Input Current in Dropout
I
Ltotal
= I
+ I
I
Ltotal
= 350 mA + 80 mA = 430 mA
Min
Max
Units
4.9
5.1
V
4.8
5.2
V
25
25
mV
mV
V
IN
>
5.5V, 5 mA
≤
I
LOAD
≤
350 mA
0.8
V
30
450
36
1000
V
mA
40
dB
4.85
5.15
V
4.725
5.275
V
1 mA
≤
I
LOAD
≤
80 mA
50
50
mV
V
IN
>
5.5V, 1 mA
≤
I
LOAD
≤
80 mA
0.8
V
30
36
200
27
V
mA
V
2
40
dB
8V
≤
V
IN
≤
16V
40
10
15
μA
mA
mA
V
IN
>
8V, I
= I
+ I
1.2
x I
Ltotal
0V
<
V
IN
<
8V, (Note 4)
1.5
x I
Ltotal
L
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| LM9072S | 功能描述:IC REG LDO 5V .35A/80MA TO-263-9 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LM9072SX | 功能描述:IC REG LDO 5V .35A/80MA TO-263-9 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LM9072T | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Tracking Low-Dropout System Regulator |
| LM9073 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual High Current Low-Dropout System Regulator |
| LM9073S | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual High Current Low-Dropout System Regulator |
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