參數(shù)資料
型號(hào)： LM2576D2T-12
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： EASY SWITCHERE⑩ 3.0 A STEP-DOWN VOLTAGE REGULATOR
中文描述： 3 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
封裝： PLASTIC, D2PAK-5
文件頁(yè)數(shù)： 3/26頁(yè)
文件大?。?/td> 278K
代理商： LM2576D2T-12
LM2576
http://onsemi.com
3
OPERATING RATINGS
(Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee
specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.)
Rating
Symbol
Value
Unit
Operating Junction Temperature Range
T
J
40 to +125
°
C
Supply Voltage
V
in
40
V
SYSTEM PARAMETERS
(Note 1 Test Circuit Figure 15)
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, V
in
= 12 V for the 3.3 V, 5.0 V, and Adjustable version, V
in
= 25 V
for the 12 V version, and V
in
= 30 V for the 15 V version. I
Load
= 500 mA. For typical values T
J
= 25
°
C, for min/max values T
J
is the
operating junction temperature range that applies Note 2, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
LM25763.3
(Note 1 Test Circuit Figure 15)
Output Voltage (V
in
= 12 V, I
Load
= 0.5 A, T
J
= 25
°
C)
Output Voltage (6.0 V
≤
V
in
≤
40 V, 0.5 A
≤
I
Load
≤
3.0 A)
T
J
= 25
°
C
T
J
= 40 to +125
°
C
Efficiency (V
in
= 12 V, I
Load
= 3.0 A)
V
out
3.234
3.3
3.366
V
V
out
V
3.168
3.135
3.3
3.432
3.465
η
75
%
LM25765
(Note 1 Test Circuit Figure 15)
Output Voltage (V
in
= 12 V, I
Load
= 0.5 A, T
J
= 25
°
C)
V
out
4.9
5.0
5.1
V
Output Voltage (8.0 V
≤
V
in
≤
40 V, 0.5 A
≤
I
Load
≤
3.0 A)
T
J
= 25
°
C
T
J
= 40 to +125
°
C
Efficiency (V
in
= 12 V, I
Load
= 3.0 A)
V
out
V
4.8
4.75
5.0
5.2
5.25
η
77
%
LM257612
(Note 1 Test Circuit Figure 15)
Output Voltage (V
in
= 25 V, I
Load
= 0.5 A, T
J
= 25
°
C)
V
out
11.76
12
12.24
V
Output Voltage (15 V
≤
V
in
≤
40 V, 0.5 A
≤
I
Load
≤
3.0 A)
T
J
= 25
°
C
T
J
= 40 to +125
°
C
Efficiency (V
in
= 15 V, I
Load
= 3.0 A)
V
out
V
11.52
11.4
12
12.48
12.6
η
88
%
LM257615
(Note 1 Test Circuit Figure 15)
Output Voltage (V
in
= 30 V, I
Load
= 0.5 A, T
J
= 25
°
C)
V
out
14.7
15
15.3
V
Output Voltage (18 V
≤
V
in
≤
40 V, 0.5 A
≤
I
Load
≤
3.0 A)
T
J
= 25
°
C
T
J
= 40 to +125
°
C
Efficiency (V
in
= 18 V, I
Load
= 3.0 A)
V
out
V
14.4
14.25
15
15.6
15.75
η
88
%
LM2576 ADJUSTABLE VERSION
(Note 1 Test Circuit Figure 15)
Feedback Voltage (V
in
= 12 V, I
Load
= 0.5 A, V
out
= 5.0 V, T
J
= 25
°
C)
Feedback Voltage (8.0 V
≤
V
in
≤
40 V, 0.5 A
≤
I
Load
≤
3.0 A, V
out
= 5.0 V)
T
J
= 25
°
C
T
J
= 40 to +125
°
C
Efficiency (V
in
= 12 V, I
Load
= 3.0 A, V
out
= 5.0 V)
1. External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2576 is used as shown in the Figure 15 est circuit, system performance will be as shown in system parameters section.
2. Tested junction temperature range for the LM2576: T
low
= 40
°
C
T
high
= +125
°
C
V
out
1.217
1.23
1.243
V
V
out
V
1.193
1.18
1.23
1.267
1.28
η
77
%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2576D2T-15 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:EASY SWITCHERE⑩ 3.0 A STEP-DOWN VOLTAGE REGULATOR
LM2576D2T-15G 功能描述:直流/直流開關(guān)調(diào)節(jié)器 15V 3A Buck PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2576D2T-3.3 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V 3A Buck PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2576D2T-3.3G 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V 3A Buck PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2576D2T-5 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Easy Switcher 3.0A Step-Down Voltage Regulator
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