參數(shù)資料
型號： L5994
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQFP32
封裝： TQFP-32
文件頁數(shù)： 21/26頁
文件大小： 322K
代理商： L5994
Obsolete
Product(s)
- Obsolete
Product(s)
L5994 - L5994A
4/26
V5
Over voltage threshold ON
V1SNS
2.09
2.15
2.21
V
Under voltage threshold ON
V1SNS
1.66
1.71
1.76
V
SECTION 2 PWM CONTROLLER
V2out
V2SNS feedback voltage
Vin = 5V to 20V
NOSKIP = REG5
Vi2sns-Vv2sns = 0 to 40mA
1.566
1.64
1.714
V
V19-V20
Overcurrent Threshold current
VSOFT2 = 3.1V
37
50
63
mV
V19-V20
Pulse skipping mode threshold
voltage
Vin > 6.8V
13
mV
V20
Over voltage threshold ON
V2SNS
1.843
1.9
1.957
V
Under voltage threshold ON
V2SNS
1.451
1.496
1.541
V
PWM CONTROLLERS CHARACTERISTICS
fOSC
Switching frequency accuracy
OSC = 2.5V
OSC = GND OR 5V
255
170
300
200
345
230
KHz
V15
Voltage range for 300KHz
operation
2.4
2.6
V
Td
Dead time
HS rise
LS rise
50
30
ns
Tov
Over voltage propagation time
V1SNS to PWROK or
V2SNS to PWROK
1.25
s
Tuv
Under voltage propagation time
V1SNS to PWROK or
V2SNS to PWROK
1.5
s
V5,V20
Output UVLO threshold latched
Respect output voltage
65
70
75
%
I8,I17
Soft start current
3.2
4
4.8
A
V8,V17
Soft start clamp voltage
3.1
V
HIGH AND LOW SIDE GATE DRIVER (BOTH SECTIONS)
I25,I27
I32,I30
Source output peak current
Cload = 3.3nF
1
A
Sink output peak current
Cload = 3.3nF
1
A
RH
RdsON resistance
Driver out high
2.1
4
Ohm
RL
RdsON resistance
Driver out low
1.5
3
Ohm
VOH
Output high voltage
HSTRAP = PREG5
Isource = 10mA;
HSOURCE = GND
4.4
5.3
5.61
V
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ELECTRICAL CHARACTERISTICS (continued)
相關(guān)PDF資料
PDF描述
L6206PD013TR STEPPER MOTOR CONTROLLER, 5.6 A, PDSO36
L6207PD013TR STEPPER MOTOR CONTROLLER, 5.6 A, PDSO36
L6219DSA STEPPER MOTOR CONTROLLER, 1 A, PDSO24
L6228PDTR STEPPER MOTOR CONTROLLER, 2.8 A, PDSO36
L6228DTR STEPPER MOTOR CONTROLLER, 2.8 A, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shù): 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
L5995 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller
L5996 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT DYNAMIC DAC CONTROLLER FOR MOBILE CPU
L-59BL/1EGW 制造商:Kingbright Corporation 功能描述: 制造商:Kingbright Corporation 功能描述:LED 5MM RED/GREEN 40MCD/60MCD 制造商:Kingbright Corporation 功能描述:LED, 5MM, RED/GREEN, 40MCD/60MCD 制造商:Kingbright Corporation 功能描述:LED, 5MM, RED/GREEN, 40MCD/60MCD, LED Colour:Red, Green, Height:7.24mm, Width:7. 制造商:Kingbright Corporation 功能描述:Red/grn r/a cbi,5mm,L-59BL/1EGW
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*