参数资料
型号: L6227PD
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 2.8 A, PDSO36
封装: POWER, SO-36
文件页数: 18/22页
文件大小: 389K
代理商: L6227PD
5/22
L6227
(6)
Also connected at the output drain of the Over current and Thermal protection MOSFET. Therefore, it has to be driven putting in
series a resistor with a value in the range of 2.2K
- 180K, recommended 100K.
23
8
ENA
Logic Input (6)
Bridge A Enable. LOW logic level switches OFF all Power
MOSFETs of Bridge A. This pin is also connected to the
collector of the Overcurrent and Thermal Protection
transistor to implement over current protection.
If not used, it has to be connected to +5V through a
resistor.
24
9
VREFA
Analog Input
Bridge A Current Controller Reference Voltage.
Do not leave this pin open or connect to GND.
ELECTRICAL CHARACTERISTICS
(Tamb = 25 °C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VSth(ON) Turn-on Threshold
5.8
6.3
6.8
V
VSth(OFF) Turn-off Threshold
5
5.5
6
V
IS
Quiescent Supply Current
All Bridges OFF;
Tj = -25°C to 125°C
(7)
510
mA
Tj(OFF)
Thermal Shutdown Temperature
165
°C
Output DMOS Transistors
RDS(ON) High-Side +Low-Side Switch ON
Resistance
Tj = 25 °C
1.47
1.69
Tj =125 °C
(7)
2.35
2.7
IDSS
Leakage Current
EN = Low; OUT = VS
2mA
EN = Low; OUT = GND
-0.3
mA
Source Drain Diodes
VSD
Forward ON Voltage
ISD = 1.4A, EN = LOW
1.15
1.3
V
trr
Reverse Recovery Time
If = 1.4A
300
ns
tfr
Forward Recovery Time
200
ns
Logic Input
VIL
Low level logic input voltage
-0.3
0.8
V
VIH
High level logic input voltage
2
7
V
IIL
Low Level Logic Input Current
GND Logic Input Voltage
-10
A
IIH
High Level Logic Input Current
7V Logic Input Voltage
10
A
Vth(ON)
Turn-on Input Threshold
1.8
2.0
V
Vth(OFF)
Turn-off Input Threshold
0.8
1.3
V
Vth(HYS)
Input Threshold Hysteresis
0.25
0.5
V
Switching Characteristics
tD(on)EN
Enable to out turn ON delay time (8)
ILOAD =1.4A, Resistive Load
500
800
ns
PIN DESCRIPTION (continued)
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