參數(shù)資料
型號(hào): LM1575K-12-QML
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER 1A STEP-DOWN VOLTAGE REGULATOR
中文描述: 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, MBFM2
封裝: METAL CAN, TO-3, 4 PIN
文件頁(yè)數(shù): 5/14頁(yè)
文件大?。?/td> 265K
代理商: LM1575K-12-QML
MNLM1575-12-X REV 0D1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
ELECTRICAL CHARACTERISTICS: SYSTEM PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC:
Vin = 25V, and Iload = 200mA.
SYMBOL
PARAMETER
CONDITIONS
NOTES
PIN-
NAME
MIN
MAX
UNIT
SUB-
GROUPS
Vout
Output Voltage
1
11.88
12.12
V
1
0.2A < Iload < 1A, 15V < Vin < 40V
1
11.64
12.36
V
1
1
11.52
12.48
V
2, 3
ELECTRICAL CHARACTERISTICS: DEVICE PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC:
Vin = 25V, and Iload = 200mA.
Vsat
Saturation
Voltage
Iout = 1A
2
1.2
V
1
2
1.4
V
2, 3
Icl
Current Limit
Peak Current, tON < 3uS
2
1.7
3.0
A
1
2
1.3
3.2
A
2, 3
Il
Output Leakage
Current
Vin = 35V, Output = 0V
4
2
mA
1
Vin = 35V, Output = -1V
4
30
mA
1
Iq
Quiescent Current
4
10
mA
1
4
12
mA
2, 3
Istby
Standby Quiescent
Current
ON/OFF Pin = 5V (OFF)
200
uA
1
500
uA
2, 3
AC ELECTRICAL CHARACTERISTICS: DEVICE PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC:
Vin = 25V, and Iload = 200mA.
fo
Oscillator
Frequency
47
58
KHz
4
43
62
KHz
5, 6
Dc
Max Duty Cycle
(ON)
3
93
%
9
5
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