參數(shù)資料
型號： LM2575T-ADJ
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： 3.2 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSFM5
封裝： 314D-03
文件頁數(shù)： 12/28頁
文件大?。?/td> 380K
代理商： LM2575T-ADJ
LM2575
2
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Block Diagram and Typical Application
7.0 V – 40 V
Unregulated
DC Input
L1
330
H
Gnd
+Vin
1
Cin
100
F
3ON/OFF
5
Output
2
Feedback
4
D1
1N5819
Cout
330
F
Typical Application (Fixed Output Voltage Versions)
Representative Block Diagram and Typical Application
Unregulated
DC Input
+Vin
1
Cout
Feedback
4
Cin
L1
D1
R2
R1
1.0 k
Output
2
Gnd
3
ON/OFF
5
Reset
Latch
Thermal
Shutdown
52 kHz
Oscillator
1.235 V
Band–Gap
Reference
Freq
Shift
18 kHz
Comparator
Fixed Gain
Error Amplifier
Current
Limit
Driver
1.0 Amp
Switch
ON/OFF
3.1 V Internal
Regulator
Regulated
Output
Vout
Load
Output
Voltage Versions
3.3 V
5.0 V
12 V
15 V
R2
(
)
1.7 k
3.1 k
8.84 k
11.3 k
For adjustable version
R1 = open, R2 = 0
LM2575
5.0 V Regulated
Output 1.0 A Load
This device contains 162 active transistors.
ABSOLUTE MAXIMUM RATINGS (Absolute Maximum Ratings indicate limits beyond
which damage to the device may occur.)
Rating
Symbol
Value
Unit
Maximum Supply Voltage
Vin
45
V
ON/OFF Pin Input Voltage
–
–0.3 V
≤ V ≤ +Vin
V
Output Voltage to Ground (Steady–State)
–
–1.0
V
Power Dissipation
Case 314B and 314D (TO–220, 5–Lead)
PD
Internally Limited
W
Thermal Resistance, Junction–to–Ambient
R
θJA
65
°C/W
Thermal Resistance, Junction–to–Case
R
θJC
5.0
°C/W
Case 936A (D2PAK)
PD
Internally Limited
W
Thermal Resistance, Junction–to–Ambient
(Figure 34)
R
θJA
70
°C/W
Thermal Resistance, Junction–to–Case
R
θJC
5.0
°C/W
Storage Temperature Range
Tstg
–65 to +150
°C
Minimum ESD Rating (Human Body Model: C
= 100 pF, R = 1.5 k
)
–
3.0
kV
Lead Temperature (Soldering, 10 s)
–
260
°C
Maximum Junction Temperature
TJ
150
°C
NOTE:
ESD data available upon request.
相關(guān)PDF資料
PDF描述
LM2575T-5.0 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
LM2575D2T-3.3 3.2 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSSO5
LM2575TV-5.0 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PZFM5
LM2575T-3.3 3.2 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSFM5
LM2575TV-ADJ 3.2 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PZFM5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2575T-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2575 TO2205
LM2575T-ADJ/LB02 制造商:Texas Instruments 功能描述:SIMPLE SWITCHER 1A -40/+125 #01202511
LM2575T-ADJ/LB03 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2575T-ADJ/LF02 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2575T-ADJ/LF03 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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