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參數(shù)資料
| 型號： | LB11996H |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.3 A, PDSO28 |
| 封裝： | HSOP-28 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 212K |
| 代理商： | LB11996H |
No. 6181-12/13
LB11996, 11996H
Continued from preceding page.
Pin No.
Pin name
Pin voltage
Pin Function
Equivalent circuit
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.
18
(8)
( 6 )
20
20 k
5 k
2 k
VCC1
SIG GND
FC
20
(6)
Control reference voltage applied
pin. Determines control start voltage.
51 k
21
200
25 A
200
25 A
VCC1
15 A
22
( 4 )
( 5 )
5
3.9
VCC2
1
23
2
24
( 23 )
(2 28 27)
( 1 )
VCC1
50 k
75 k
19
( 7 )
VCREF
21
(5)
2 V to 3.5 V
Speed control voltage applied pin.
V type control technique
VC > VCREF : Forward
VC < VCREF : Slowdown
(Reverse-blocking circuit prevents
reverse rotation.)
VC
22
(4)
0 V to VCC1
W-phase output
WOUT
23 (2)
Output transistor GND
PWR GND
24 (1)
V-phase output
VOUT
1 (28)
U-phase output
UOUT
2 (27)
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.
RF
5
(23)
3 Hall FG/1 Hall FG select pin.
FGSEL:
High → 3 Hall FG
Low/Open → 1 Hall FG
FGSEL
19
(7)
100 A
VCC1
50 k
75 k
16
( 12 )
Short brake pin.
BRAKE:
High → Brake
Low/Open → Drive
BRAKE
16
(12)
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| LB11996 | DISK DRIVE MOTOR CONTROLLER, 1.3 A, PDSO24 |
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| LB1417 | SPECIALTY CONSUMER CIRCUIT, PDIP14 |
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| LB1409M | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
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