参数资料
型号: L6227Q
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSH DC MOTOR CONTROLLER, 2.8 A, QCC32
封装: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件页数: 26/27页
文件大小: 435K
代理商: L6227Q
Electrical characteristics
L6227Q
8/27
PWM comparator and monostable
IRCA, IRCB Source current at pins RCA and RCB
VRCA = VRCB = 2.5 V
3.5
5.5
mA
Voffset
Offset voltage on sense comparator
VREFA, VREFB = 0.5 V
±5
mV
tPROP
Turn OFF propagation delay (3)
500
ns
tBLANK
Internal blanking time on SENSE pins
1
s
tON(MIN)
Minimum on time
2.5
3
s
tOFF
PWM recirculation time
ROFF = 20 k; COFF = 1 nF
13
s
ROFF = 100 k; COFF = 1 nF
61
s
IBIAS
Input bias current at pins VREFA and
VREFB
10
A
Over current protection
ISOVER
Input supply overcurrent protection
threshold
TJ = -25 °C to 125 °C
(1)
2.8
A
ROPDR
Open drain ON resistance
I = 4 mA
40
60
tOCD(ON)
OCD turn-on delay time (4)
I = 4 mA; CEN < 100 pF
200
ns
tOCD(OFF)
OCD turn-off delay time (4)
I = 4 mA; CEN < 100 pF
100
ns
1.
Tested at 25 °C in a restricted range and guaranteed by characterization.
2.
3.
Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.
4.
Table 5.
Electrical characteristics (continued) (TA = 25 °C, Vs = 48 V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
相关PDF资料
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