參數(shù)資料
型號(hào): LM2575HVSX-5.0EP
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
封裝: TO-263, 5 PIN
文件頁(yè)數(shù): 24/26頁(yè)
文件大小: 1069K
代理商: LM2575HVSX-5.0EP
LM2575-ADJEP, LM2575HV-ADJEP
Electrical Characteristics (Note 16)
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
LM2575-ADJEP
Units
(Limits)
LM2575HV-ADJEP
Limit
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 2
V
OUT
Feedback Voltage
V
IN = 12V, ILOAD = 0.2A
1.230
V
OUT = 5V
1.217
V(Min)
Circuit of Figure 2
1.243
V(Max)
V
OUT
Feedback Voltage
0.2A
≤ I
LOAD
≤ 1A,
1.230
V
LM2575EP
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
0.2A
≤ I
LOAD
≤ 1A,
1.230
V
LM2575HVEP
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 = 1A, VOUT =5V
77
%
All Output Voltage Versions
Electrical Characteristics (Note 16)
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range. Unless otherwise specified, V
IN = 12V for the 3.3V, 5V, and Adjustable version, VIN = 25V for the 12V version,
and V
IN = 30V for the 15V version. ILOAD = 200 mA.
Symbol
Parameter
Conditions
Typ
LM2575-XXEP
Units
(Limits)
LM2575HV-XXEP
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 = 1A (Note 7)
0.9
V
1.2/1.4
V(Max)
DC
Max Duty Cycle (ON)
98
%
93
%(Min)
I
CL
Current Limit
Peak Current (Notes 7, 15)
2.2
A
1.7/1.3
A(Min)
3.0/3.2
A(Max)
I
L
Output Leakage
(Notes 9, 10)
Output = 0V
2
mA(Max)
Current
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)
LM2575EP/LM2575HVEP
www.national.com
7
相關(guān)PDF資料
PDF描述
LM2575SX-5.0EP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575HVN-ADJEP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575HVT-ADJEP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575HVM-ADJEP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575N-5.0EP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2575HVSX-ADJ 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(fēng)格:SMD/SMT
LM2575HVSX-ADJ/NOPB 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(fēng)格:SMD/SMT
LM2575HVT-12 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(fēng)格:SMD/SMT
LM2575HVT-12 制造商:Texas Instruments 功能描述:IC SWITCHING REG 1A 12V SMD 2575
LM2575HVT-12/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(fēng)格:SMD/SMT