- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄44548 > LM2576HVT-15/LB03 (NATIONAL SEMICONDUCTOR CORP) 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5 PDF資料下載
參數(shù)資料
| 型號： | LM2576HVT-15/LB03 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | GREEN, TO-220, 5 PIN |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 750K |
| 代理商： | LM2576HVT-15/LB03 |
LM2576-ADJ, LM2576HV-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
LM2576-ADJ
Units
(Limits)
LM2576HV-ADJ
Typ
Limit
V
OUT
Feedback Voltage
V
IN = 12V, ILOAD = 0.5A
1.230
V
OUT = 5V,
1.217
V(Min)
Circuit of Figure 2
1.243
V(Max)
V
OUT
Feedback Voltage
0.5A
≤ I
LOAD
≤ 3A,
1.230
V
LM2576
8V
≤ V
IN
≤ 40V
1.193/1.180
V(Min)
V
OUT = 5V, Circuit of Figure 2
1.267/1.280
V(Max)
V
OUT
Feedback Voltage
0.5A
≤ I
LOAD
≤ 3A,
1.230
V
LM2576HV
8V
≤ V
IN
≤ 60V
1.193/1.180
V(Min)
V
OUT = 5V, Circuit of Figure 2
1.273/1.286
V(Max)
η
Efficiency
V
IN = 12V, ILOAD = 3A, VOUT =5V
77
%
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Temperature
Range. Unless otherwise specified, V
IN = 12V for the 3.3V, 5V, and Adjustable version, VIN = 25V for the 12V version, and VIN
= 30V for the 15V version. I
LOAD = 500 mA.
Symbol
Parameter
Conditions
LM2576-XX
Units
(Limits)
LM2576HV-XX
Typ
Limit
DEVICE PARAMETERS
I
b
Feedback Bias Current
V
OUT = 5V (Adjustable Version Only)
50
100/500
nA
f
O
Oscillator Frequency
52
kHz
47/42
kHz
(Min)
58/63
kHz
(Max)
V
SAT
Saturation Voltage
I
OUT = 3A (Note 4)
1.4
V
1.8/2.0
V(Max)
DC
Max Duty Cycle (ON)
98
%
93
%(Min)
I
CL
Current Limit
(Notes 4, 11)
5.8
A
4.2/3.5
A(Min)
6.9/7.5
A(Max)
I
L
Output Leakage Current
(Notes 6, 7):
Output = 0V
2
mA(Max)
Output = 1V
7.5
mA
Output = 1V
30
mA(Max)
I
Q
Quiescent Current
5
mA
10
mA(Max)
I
STBY
Standby Quiescent
ON /OFF Pin = 5V (OFF)
50
A
Current
200
A(Max)
LM2576/LM2576HV
www.national.com
5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2576TV-005G | 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PZFM5 |
| LM2576T-015G | 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5 |
| LM2577M-12/NOPB | 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PDSO24 |
| LM2577NADJ | 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PDIP24 |
| LM2577S-15/NOPB | 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2576HVT-3.3 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER 3A Step-Down Voltage Regulator |
| LM2576HVT3.3/NOPB | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4V to 60V 5-Pin(5+Tab) TO-220 |
| LM2576HVT-3.3/NOPB | 功能描述:IC REG BUCK 3.3V 3A TO220-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:SIMPLE SWITCHER® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
| LM2576HVT-3.3FLOWLB03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| LM2576HVT-3.3LB03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
發(fā)布緊急采購，3分鐘左右您將得到回復。