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| 型號(hào)： | LM1575J-5.0-QML |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER 1A Step-Down Voltage Regulator |
| 中文描述： | 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁(yè)數(shù)： | 7/27頁(yè) |
| 文件大小： | 725K |
| 代理商： | LM1575J-5.0-QML |
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LM1575-ADJ, LM2575-ADJ, LM2575HV-ADJ
Electrical Characteristics
Specifications with standard type face are for T
J
= 25C, and those with
boldface type
apply over
full Operating Temperature
Range
.
Symbol
Parameter
Conditions
Typ
LM1575-ADJ
LM2575-ADJ
LM2575HV-ADJ
Limit
(Note 3)
Units
(Limits)
Limit
(Note 2)
SYSTEM PARAMETERS
(Note 4) Test Circuit
Figure 2
V
OUT
Feedback Voltage
V
IN
= 12V, I
LOAD
= 0.2A
V
OUT
= 5V
Circuit of
Figure 2
0.2A
≤
I
LOAD
≤
1A,
8V
≤
V
IN
≤
40V
V
OUT
= 5V, Circuit of
Figure 2
0.2A
≤
I
LOAD
≤
1A,
8V
≤
V
IN
≤
60V
V
OUT
= 5V, Circuit of
Figure 2
V
IN
= 12V, I
LOAD
= 1A, V
OUT
= 5V
1.230
V
1.217
1.243
1.217
1.243
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
V
OUT
Feedback Voltage
LM1575/LM2575
1.230
1.205/
1.193
1.255/
1.267
1.193/
1.180
1.267/
1.280
V
OUT
Feedback Voltage
LM2575HV
1.230
1.205/
1.193
1.261/
1.273
1.193/
1.180
1.273/
1.286
η
Efficiency
77
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for T
= 25C, and those with
boldface type
apply over
full Operating Tempera-
ture Range
. Unless otherwise specified, V
= 12V for the 3.3V, 5V, and Adjustable version, V
IN
= 25V for the 12V version,
and V
IN
= 30V for the 15V version. I
LOAD
= 200 mA.
Symbol
Parameter
Conditions
Typ
LM1575-XX
LM2575-XX
LM2575HV-XX
Limit
(Note 3)
Units
(Limits)
Limit
(Note 2)
DEVICE PARAMETERS
I
b
Feedback Bias Current
f
O
Oscillator Frequency
V
OUT
= 5V (Adjustable Version Only)
(Note 13)
50
52
100/
500
100/
500
nA
kHz
47/
43
58/
62
47/
42
58/
63
kHz(Min)
kHz(Max)
V
V(Max)
%
%(Min)
A
A(Min)
A(Max)
mA(Max)
mA
mA(Max)
mA
mA(Max)
μA
μA(Max)
V
SAT
Saturation Voltage
I
OUT
= 1A (Note 5)
0.9
1.2/
1.4
1.2/
1.4
DC
Max Duty Cycle (ON)
(Note 6)
98
93
93
I
CL
Current Limit
Peak Current (Notes 5, 13)
2.2
1.7/
1.3
3.0/
3.2
2
1.7/
1.3
3.0/
3.2
2
I
L
Output Leakage
Current
(Notes 7, 8)
Output = 0V
Output = 1V
Output = 1V
7.5
30
30
I
Q
Quiescent Current
(Note 7)
5
10/
12
10
I
STBY
Standby Quiescent
Current
ON /OFF Pin = 5V (OFF)
50
200/
500
200
L
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7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1575J-ADJ-QML | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 4V to 40V 16-Pin CDIP |
| LM1575K-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| LM1575K-12/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| LM1575K-12/883C | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM1575K-12/883QF | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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