參數資料
型號: TL497ACNSE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO14
文件頁數: 5/12頁
文件大?。?/td> 324K
代理商: TL497ACNSE4
TL497A
SWITCHING VOLTAGE REGULATORS
SLVS009D – JUNE 1976 – REVISED JULY 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
CHIP
TA
SMALL-OUTLINE
(D)
PLASTIC DIP
(N)
SHRINK
SMALL-OUTLINE
(PW)
CHIP
FORM
(Y)
0
°C to 70°C
TL497ACD
TL497ACN
TL497ACPW
TL497AY
–40
°C to 85°C
TL497AID
TL497AIN
The D and PW packages are only taped and reeled. Add the suffix R to the device type (e.g.,
TL497ACPWR). Chip forms are tested at 25
°C.
functional block diagram
BASE
11
12
BASE DRIVE
CUR LIM SENS
FREQ CONTROL
INHIBIT
SUBSTRATE
COMP INPUT
CATHODE
Current
Limit
Sense
13
3
2
1
4
6
1.2-V
Reference
10
8
7
COL OUT
EMIT OUT
ANODE
Oscillator
BASE and BASE DRIVE are used for device testing only. They normally are not used in circuit applications of the device.
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相關代理商/技術參數
參數描述
TL497ACNSLE 制造商:TI 制造商全稱:Texas Instruments 功能描述:500-mA PEAK STEP-UP, STEP-DOWN, INVERTING SWITCHING VOLTAGE REGULATOR
TL497ACNSR 功能描述:直流/直流開關調節(jié)器 500-mA Peak S-U S-D Switching Volt Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL497ACNSRE4 功能描述:直流/直流開關調節(jié)器 500-mA Peak S-U S-D Switching Volt Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL497ACNSRG4 功能描述:直流/直流開關調節(jié)器 500-mA Inverting Switching Vltg Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL497ACPW 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWITCHING VOLTAGE REGULATORS