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参数资料
| 型号： | FAN8702B_NL |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.6 A, PQFP48 |
| 封装： | 7 X 7 MM, LEAD FREE, LQFP-48 |
| 文件页数： | 3/18页 |
| 文件大小： | 1553K |
| 代理商： | FAN8702B_NL |
FAN8702/FAN8702B
11
Application Information
1. Current Drive Output Current Setting
Motor current is determined by ISH/IAE voltage and Rs sensing resistance and calculated by the formula below considering
Rw. Generally internal bonding and metal resistance Rw is around 0.05
.
2. Current Drive Block1(CH5)
If there is no capacitor on the exterior of the FC terminal or low capacitance is used, it may cause oscillation or overshoot at
output terminal. The output stage will not be operating until FC1 terminal voltage reaches around 0.7V (Typical)
The output response time depends on the FC1 capacitance and interval of Input signal. Generally, the quick charging time is
10us~20us. To minimize the delay time difference in the output response between high-speed shutter and bulb shutter a quick
charging circuit is built in.
H-BRIDGE
5,6
M
Reference
Out
ISH / IAE
VREF
FC
RFG
OUT_A
OUT_B
VCC1
RW
RS
VCC2
IN9~12
Motor Current
ISH or IAE Input Voltage
RS RW
+
-----------------------------------------------------------------
=
H-BRIDGE5
Quick Charge
Ciruit
SH
Reference
Out
ISH
VREF
FC1
RFG1
OUT9
OUT10
VCC1
Rs
Rw
IN9~10
相关PDF资料 |
PDF描述 |
|---|---|
| FAN8702_NL | STEPPER MOTOR CONTROLLER, 0.6 A, PQFP48 |
| FAR-D5CC-881M50-D1C8 | 824 MHz(Tx)-849 MHz(Tx), 869 MHz(Rx)-894 MHz(Rx), DUPLEXER |
| FAR-D5GA-881M50-D1AA | 836.5 MHz(Tx), 881.5 MHz(Rx), DUPLEXER |
| FAR-F4CC-246M00-T101A | SAW FILTER |
| FAR-F4CC-246M00-T101 | SAW FILTER |
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