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參數(shù)資料
| 型號： | LB1823M |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PDSO30 |
| 封裝： | MFP-30 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 195K |
| 代理商： | LB1823M |
No. 4696-6/11
LB1823M
External Crystal Oscillator Circuit
External Constants (reference value, VCC = 6.3 V)
External Constants (reference value, VCC = 5 V)
Note: However, an oscillator element with crystal fundamental frequency fO impedance to 3fO
impedance ratio = 1:5 or greater must be used.
Xtal (MHz)
C1(pF)
C2(pF)
R(
Ω)
3 to 4
39
120
390
4 to 5
39
120
560
5 to 7
39
82
820
7 to 10
39
68
2200
Xtal (MHz)
C1(pF)
C2(pF)
R(
Ω)
3 to 4
39
180
330
4 to 5
39
150
390
5 to 7
39
100
560
7 to 10
39
68
1200
Pin Functions
Pin No.
Symbol
Function
30, 29
IN1+, IN1–
Hall input pin
28, 27
IN2+, IN2–
Hall input pin
26, 25
IN3+, IN3–
Hall input pin
19
UH
Output pin, constant current source output
21
VH
Output pin, constant current source output
23
WH
Output pin, constant current source output
18
UL
Output pin, open collector sink output
20
VL
Output pin, open collector sink output
22
WL
Output pin, open collector sink output
17
VCC
Power supply
16
VREG
7 V shunt regulator output
24
GND
Ground
4
CR
PWM oscillator frequency setting
9INTIN
Integrator input
10
INTOUT
Integrator output (speed control pin)
7DOUT
Speed discriminator output. High on overspeed.
6POUT
PLL output
8LD
Lock detector
Low when the motor speed is in the lock range (±6.25%)
11
FGIN+
FG pulse input (1/2 of the VCC voltage)
12
FGIN–
FG pulse input
13
FGOUT
FG amplifier output
14
FGSOUT
FG amplifier output (following the Schmitt circuit)
5
X’tal
Crystal oscillator. Connect a crystal oscillator element to this pin.
15
RF
Output current detection
1S/S
Start/stop control pin
Low for start, high or open for stop
2
F/R
Forward/reverse control
Low or open for forward, high for reverse
3BR
Brake, short brake
Low or open for start, high for brake. The S/S pin must be set to the stop state when releasing the brake.
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