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参数资料
| 型号： | LB1940U |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.4 A, PDSO20 |
| 封装： | 0.225 INCH, MSOP-20 |
| 文件页数： | 2/8页 |
| 文件大小： | 261K |
| 代理商： | LB1940U |
LB1940T/1940U
No.7232-2/8
Allowable Operating Range at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
VOPR1
VDD system, VS = 2.0V
1.9
6.5
Function-guaranteed voltage range
VOPR2
VS system, VDD = 5.0V
1.6
7.5
V
Low level input threshold voltage
VIL
ENA1, ENA2, IN1, IN2
-0.3
1.0
V
High level input threshold voltage
VIH
ENA1, ENA2, IN1, IN2
2.0
6.0
V
VC input voltage
VC
0.19
1.0
V
Electrical Characteristics at Ta = 25
°C, VS = 3V, VDD = 5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
Standby current dissipation
ISTB
VS = VDD = 6.5V
0.1
1.0
A
Regulator output circuit
VREF output voltage
VREF
IOL = 0 to 1mA
0.85
0.9
0.95
V
SVDD output voltage
VSVDD
IOL = 10mA
4.70
4.85
V
H bridge output circuit
VO(sat)1
VDD = 5.0V, VS = 2.0V
IO = 200mA (PNP side)
0.20
0.30
V
OUT output saturation voltage
(at saturation control)
VO(sat)2
VDD = 5.0V, VS = 2.0V
IO = 200mA (NPN side)
0.10
0.15
V
IOUT1
VDD = 6.0V, VC = 0.2V, VS = 3.5V
RL = 5 (between OUT-OUT), RFB = 2
94
100
106
mA
OUT output current
(at constant current control)
IOUT2
VC =
Rb
Ra
Rb
+
VREF (Ra = 70k
, Rb = 20k) *
VDD = 6.0V, VS = 2.0V
RL = 5 (between OUT-OUT), RFB = 1
180
200
220
mA
VS system operating current
consumption
IS1
VC =
Rb
Ra
Rb
+
VREF (Ra = 70k
, Rb = 20k) *
1.5
3
mA
VDD system operating current
dissipation
IDD1
VC =
Rb
Ra
Rb
+
VREF (Ra = 70k
, Rb = 20k) *
ENA1 = 2V
4
7
mA
VC input current
IVC
VDD = 6.0V, VS = 2.0V, VC = 1.9V
0
-1
A
Control input circuit
IIH
VIH = 5.5V
80
100
Control pin maximum input current
IIL
VIL = GND
-1
0
A
* For Ra and Rb, refer to Application Circuit Diagram.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LB1940U-MPB-E | 功能描述:马达/运动/点火控制器和驱动器 RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| LB1940U-TLM-E | 功能描述:马达/运动/点火控制器和驱动器 MOTOR DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| LB1941 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Constant Current Forward/Reverse Driver IC for Digital Cameras |
| LB1941GP | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Digital Cameras Constant Current Forward/Reverse Driver |
| LB1941GP_10 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:For Digital Cameras Constant Current Forward/Reverse Driver |
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