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參數資料
| 型號： | 5962-9167101MXA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, MBFM2 |
| 封裝： | METAL CAN, TO-3, 4 PIN |
| 文件頁數： | 1/14頁 |
| 文件大小： | 248K |
| 代理商： | 5962-9167101MXA |
Original Creation Date: 09/08/95
Last Update Date: 05/22/00
Last Major Revision Date: 09/08/95
MNLM1575-ADJ-X REV 2C1
MICROCIRCUIT DATA SHEET
SIMPLE SWITCHER(TM) 1A STEP-DOWN VOLTAGE REGULATOR
General Description
The LM1575 regulator is a monolithic integrated circuit that provides all the active
functions for a step-down (buck) switching regulator, capable of driving 1A load with
excellent line and load regulation.
Requiring a minimum number of external components, this regulator is simple to use and
includes internal frequency compensation and a fixed-frequency oscillator.
The LM1575 offers a high-efficiency replacement for popular three-terminal linear
regulators. It substantially reduces the size of the heat sink, and in many cases no heat
sink is required.
A standard series of inductors optimized for use with the LM1575 are available from
several different manufacturers. This feature greatly simplifies the design of switch-mode
power supplies.
Other features include a guaranteed +4% tolerance on output voltage within specified input
voltages and output load conditions, and +10% on the oscillator frequency. External
shutdown is included, featuring 50uA (typical) standby current. The output switch includes
cycle-by-cycle current limiting, as well as thermal shutdown for full protection under
fault conditions.
NS Part Numbers
LM1575J-ADJ-QML
LM1575K-ADJ-QML
LM1575WGADJ-QML
Industry Part Number
LM1575-ADJ
Prime Die
LM1575-ADJ
Controlling Document
SEE FEATURES SECTION
Processing
MIL-STD-883, Method 5004
Quality Conformance Inspection
MIL-STD-883, Method 5005
Subgrp Description
Temp ( C)
o
1
Static tests at
+25
2
Static tests at
+125
3
Static tests at
-55
4
Dynamic tests at
+25
5
Dynamic tests at
+125
6
Dynamic tests at
-55
7
Functional tests at
+25
8A
Functional tests at
+125
8B
Functional tests at
-55
9
Switching tests at
+25
10
Switching tests at
+125
11
Switching tests at
-55
1
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