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參數(shù)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(shù)： | 17/22頁 |
| 文件大?。?/td> | 200K |
| 代理商： | L5993 |
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
OUTPUT SECTION
Collector Leakage
VCC = 20V VC = 24V
2
20
A
Fall Time
CO = 1nF
CO = 2.5nF
20
35
60
ns
Rise Time
CO = 1nF
CO = 2.5nF
50
70
100
ns
UVLO Saturation
VCC =0V to VCCON;Isink = 10mA
1.0
V
SUPPLY SECTION
VCCON
Startup voltage
14
15
16
V
VCCOFF
Minimum Operating Voltage
9
10
11
V
Vhys
ULVO Hysteresis
4.5
5
V
IS
Start Up Current
Before Turn-on at:
VCC =VCCON - 0.5V
40
75
120
A
Iop
Operating Current
CT = 1nF,RT = 13.3k
,CO
=1nF
913
mA
Iq
Quiescent Current
(After turn on), CT = 1nF,
RT = 13.3k
,CO = 0nF
7.0
10
mA
VZ
Zener Voltage
I8 = 20mA
21
25
30
V
SYNCHRONIZATION SECTION
Master Operation
V1
Clock Amplitude
ISOURCE = 0.8mA
4
V
I1
Clock Source Current
Vclock = 3.5V
3
7
mA
Slave Operation
V1
Sync Pulse
Low Level
1
V
High Level
3.5
V
I1
Sync Pulse Current
VSYNC = 3.5V
0.5
mA
OVER CURRENT PROTECTION
Vt
Fault Threshold Voltage
1.1
1.2
1.3
V
DISABLE SECTION
Shutdown threshold
2.4
2.5
2.6
V
ISH
Shutdown Current
VCC = 15V
330
A
CONSTANT POWER
6
8
20
30
V14 = 0, Pin2 = open
Tj = 25
°C
04
8
12
16
20
24
0
0.05
0.1
0.15
0.2
4
Vcc [V]
Iq [mA]
28
Figure 1. Quiescent current vs. input voltage.
0
4
8
12162024
0
50
100
150
200
250
300
350
Vcc [V]
Iq [
A]
V 14 = Vref
Tj = 25
°C
Figure 2. Quiescent current vs. input voltage
(after disable).
L5993
4/22
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L5993D | 功能描述:開關(guān)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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L5993D013TR | 功能描述:開關(guān)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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)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(guān)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(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)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(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 |
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