參數(shù)資料
型號: LM2575-ADJMWC
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, UUC
封裝: WAFER
文件頁數(shù): 34/40頁
文件大?。?/td> 917K
代理商: LM2575-ADJMWC
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage
LM1575/LM2575
45V
LM2575HV
63V
ON /OFF Pin Input Voltage
0.3V
≤ V ≤ +V
IN
Output Voltage to Ground
(Steady State)
1V
Power Dissipation
Internally Limited
Storage Temperature Range
65C to +150C
Maximum Junction Temperature
150C
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
)2 kV
Lead Temperature
(Soldering, 10 sec.)
260C
Operating Ratings
Temperature Range
LM1575
55C
≤ T
J ≤ +150C
LM2575/LM2575HV
40C
≤ T
J ≤ +125C
Supply Voltage
LM1575/LM2575
40V
LM2575HV
60V
LM1575-3.3, LM2575-3.3, LM2575HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM1575-3.3
LM2575-3.3
Units
(Limits)
LM2575HV-3.3
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
3.3
V
Circuit of
3.267
3.234
V(Min)
3.333
3.366
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 40V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
LM1575/LM2575
Circuit of
3.200/3.168
3.168/3.135
V(Min)
3.400/3.432
3.432/3.465
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
LM2575HV
Circuit of
3.200/3.168
3.168/3.135
V(Min)
3.416/3.450
3.450/3.482
V(Max)
η
Efficiency
V
IN = 12V, ILOAD =1A
75
%
LM1575-5.0, LM2575-5.0, LM2575HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
Typ
LM1575-5.0
LM2575-5.0
Units
(Limits)
LM2575HV-5.0
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
5.0
V
Circuit of
4.950
4.900
V(Min)
5.050
5.100
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
5.0
V
LM1575/LM2575
8V
≤ V
IN ≤ 40V
4.850/4.800
4.800/4.750
V(Min)
Circuit of
5.150/5.200
5.200/5.250
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
5.0
V
LM2575HV
8V
≤ V
IN ≤ 60V
4.850/4.800
4.800/4.750
V(Min)
LM1575/LM2575/LM2575HV
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LM2575BN 功能描述:IC REG BUCK ADJ 1A 16DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:20 系列:SIMPLE SWITCHER® 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關(guān):52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP(0.300",7.62mm) 包裝:管件 供應(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12