參數(shù)資料
型號: LM1577THADJ/883
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, MSFM5
文件頁數(shù): 1/6頁
文件大?。?/td> 23K
代理商: LM1577THADJ/883
Original Creation Date: 08/25/95
Last Update Date: 09/18/95
Last Major Revision Date: 08/25/95
MNLM1577-X-ADJ REV 0A0
MILITARY DATA SHEET
SIMPLE SWITCHER STEP-UP VOLTAGE REGULATOR
General Description
The LM1577-ADJ is a monolithic integrated circuit that provides all of the power and
control functions for set-up (boost), flyback, and forward converter switching regulators.
Requiring a minimum number of external components, this regulator is cost effective, and
simple to use.
Included on the chip is a 3.0A NPN switch and its associated protection circuitry,
consisting of current and thermal limiting, and undervoltage lockout. Other features
include a 52kHz fixed-frequency oscillator that requires no external components, a soft
start mode to reduce in-rush current during start-up and current mode control for improved
rejection of input voltage and output load transients.
NS Part Numbers
LM1577K-ADJ/883 (*)
LM1577THADJ/883 (**)
Industry Part Number
LM1577
Prime Die
LM1577D
Controlling Document
5962-9216601MXA*, QYA**
REV -
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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