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參數(shù)資料
| 型號： | HA13568R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | CD-ROM Combo Driver(CD-ROM COMBO 驅(qū)動器) |
| 中文描述： | 的CD - ROM組合驅(qū)動器（CD - ROM光碟康寶驅(qū)動器） |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 355K |
| 代理商： | HA13568R |
HA13568AT/HA13568R
13
External Components
(cont)
Parts No.
Recommended
Value
Recommended
Range
Purpose
Note
C107
0.47
μ
F
0.1
μ
F
0.01
μ
F
≥
0.47
μ
F
for Booster output smoothing
C108
for SPN driver phase compensation
C109
Filter for SPN control input
C110
3300 pF
Filter for SLD control input
C111
0.01
μ
F
0.01
μ
F
0.01
μ
F
0.01
μ
F
2.2
μ
F
—
To stop FCS block oscillation
C112
—
To stop TRR block oscillation
C113
—
To stop FCS block oscillation
C114
—
To stop TRR block oscillation
C115
for Voltage regulator smoothing
Ct1
150 pF
≥
120 pF
Time constant for CLK oscillation. Use a
capacitor with good temperature
characteristics.
3
Ct2
0.033
μ
F
Time constant for start-up oscillation. Use a
capacitor with good temperature
characteristics.
4
Ct3
470 pF
≥
390 pF
PWM carrier oscillation time constant
5
Q1
Note:
Transistor for voltage regulator
1. The output current maximum value Iospnmax of SPN driver is controlled according to the
following equation. However, Vspncl is the current limiter reference voltage. (See the electrical
characteristics)
Iospnmax =Vspncl
Rnf
2. The maximum duty Dmax of SLD driver output is controlled according to the following equation.
Vrt
Vhct3
Vlct3
Rt
Vrt
However,
Rt2
Rt
Vrt
Where, Vrt
: RT pin voltage (See the electrical characteristics)
Vlct3 : CT3 pin low voltage (
≈
1.3 V)
Vhct3 : CT3 pin high voltage (
≈
3.3 V)
Since Vrt
≈
Vhct3, Dmax is not limited at 100% when Rt1 = 0 W.
3. The CLK oscillation frequency is determined by the following equation.
Vrt
8 Ct1 Rt
Vct1
Where, Vrt
: RT pin voltage (See the electrical characteristics)
Vct1 : CT1 pin voltage amplitude (
≈
1 V)
4. The Ct2 for start-up oscillation is determined by the following equation.
Rt2
Vlct3
Dmax =
×
100 (%)
Vlct3
Rt = Rt1 + Rt2,
≥
fclk =
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA13568T | CD-ROM Combo Driver(CD-ROM COMBO 驅(qū)動器) |
| HA13571FR | Combo (Spindle & VCM) Driver for HDD |
| HA13605A | Three-Phase Brushless Motor Driver |
| HA13609ANT | Three-Phase Brushless Motor Driver |
| HA13614 | Combo (Spindle & VCM) Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA13568T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Servo/Spindle Motor Controller/Driver |
| HA13571FR | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Combo (Spindle & VCM) Driver for HDD |
| HA13601S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| HA13605A | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Three-Phase Brushless Motor Driver |
| HA13609ANT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Three-Phase Brushless Motor Driver |
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