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參數(shù)資料
| 型號(hào)： | LB11999H |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CONV DC-DC 24V IN 5V OUT 100W |
| 中文描述： | 三相無刷電機(jī)驅(qū)動(dòng)程序的CD - ROM主軸電機(jī)驅(qū)動(dòng)器（支持44x，48倍，50倍） |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 93K |
| 代理商： | LB11999H |
LB11999,11999H
No. 6180-11/12
Continued from preceding page
Control reference voltage applied
pin.
Determines control start voltage.
Speed control voltage applied pin.
V type control technique
VC > VCREF : Forward
VC < VCREF : Slowdown
(Reverse-blocking circuit prevents
reverse rotation.)
W-phase output.
Output transistor GND.
V-phase output.
Upper side output NPN transistor
collector pin (common for all 3
phases).
For current detection, connect
resistor between VCC3 pin and RF
pin. Constant current control and
current limiter works by detecting this
voltage.
Short brake pin.
BRAKE:
High –
>
Brake
Low/Open –
>
Drive
U-phase output.
VCREF
VC
WOUT
VOUT
UOUT
0V to VCC1
GND pin for all circuits except output.
Control loop frequency compensator
pin.
Connecting a capacitor between this
pin and GND prevents closed loop
oscillation in current limiting circuitry.
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
SIG GND
FC
PWR GND
RF
LMC
BRAKE
18 (8)
20 (6)
21 (5)
22 (4)
23 (2)
24 (1)
1 (28)
2 (27)
5 (23)
19 (7)
16 (12)
1.3V to 2V
20
20k
5k
2k
VCC1
(6)
51k
21
(5)
200
25
μ
25
μ
VCC1
15
μ
15
200
μ
22
(4)
5
3.9
3.9
VCC2
(23)
1
23
2
24
(1)
(2, 28, 27)
VCC1
5k
RF
7k
15k
19
(7)
100
μ
VCC1
50k
75k
16
(12)
Unit (Resistance:
, capacitance: F)
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