參數資料
型號: L5993
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDIP16
封裝: DIP-16
文件頁數: 10/22頁
文件大?。?/td> 200K
代理商: L5993
Figure 38. Protection against overvoltage/feedback disconnection (latched)
L5993
D97IN775A
DC
VCC
VREF
R
START
3
12
8
4
11
Figure 39. Protection against overvol-
tage/feedback disconnection (not
latched)
D97IN776A
PGND
L5993
OPTIONAL
VREF
SGND
DIS
ISEN
I
4
14
13
12
11
R
SENSE
R2
R
1
I
pk
Ipk max
2.5
R
SENSE
1-
R2
R
1
Figure 40. Device shutdown on overcurrent
D97IN777
PGND
L5993
OUT
SGND
ISEN
Lp
RFF
R
VIN
RFF = 610
6
RLp
RSENSE
13
10
12
11
80
÷ 400V
DC
Figure 41. Constant power in pulse-by-pulse current limitation (flyback discontinuous)
L5993
DC
10K
COMP
3
6
12
13
SGND
ISEN
D97IN778A
Figure 42. Voltage mode operation.
L5993
D98IN906
SGND
DIS
VCC
R
START
PGND
8
14
12
11
VZ
2.2K
L5993
D97IN774
SGND
DIS
VCC
RSTART
PGND
8
14
12
11
L5993
18/22
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相關代理商/技術參數
參數描述
L5993D 功能描述:開關變換器、穩(wěn)壓器與控制器 Prog Current Mode RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L5993D013TR 功能描述:開關變換器、穩(wěn)壓器與控制器 Prog Current Mode RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L5994 功能描述:電流型 PWM 控制器 Adj Triple Out Pwr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
L5994_02 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER
L5994A 功能描述:監(jiān)控電路 ADJT TRIPLE OUTPUT POWER SUPPLY CNTLR RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel