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参数资料
| 型号： | L5993D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | SO-16 |
| 文件页数： | 17/22页 |
| 文件大小： | 200K |
| 代理商： | L5993D |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| L5993D013TR | 功能描述:开关变换器、稳压器与控制器 Prog Current Mode RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L5994 | 功能描述:电流型 PWM 控制器 Adj Triple Out Pwr RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| L5994_02 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER |
| L5994A | 功能描述:监控电路 ADJT TRIPLE OUTPUT POWER SUPPLY CNTLR RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| L5995 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Current-Mode SMPS Controller |
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