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參數(shù)資料
| 型號： | BH76112HFV-TR |
| 廠商： | Rohm Semiconductor |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DRIVER VIDEO LPF HVSOF6 |
| 標準包裝： | 3,000 |
| 應用： | 驅(qū)動器 |
| 電路數(shù)： | 1 |
| 電流 - 電源： | 7mA |
| 電壓 - 電源，單路/雙路(±)： | 2.6 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-HVSOF |
| 供應商設備封裝： | HVSOF6 |
| 包裝： | 帶卷 (TR) |
Technical Note
4/8
BH76106HFV, BH76109HFV, BH76112HFV, BH76206HFV
www.rohm.com
2009.03 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
(9) Standby pin
When the standby pin is open, the LSI is in a standby state.
Since adding a voltage greater than Vcc at the standby pin turns a protective diode ON, make this at most Vcc+0.2 V
(no greater than Vcc+VF).
(See Fig. 4)
Applying a voltage to the standby pin when the voltage Vcc is not being
applied also turns the protective diode ON, so do not apply a voltage.
Responsiveness of Standby Control
STBY
VIN
(100% color bar signal)
VOUT
Fig.5 Standby Response Characteristic
Fig.6 Standby Response Characteristic
※In relation to IC startup, this is practically 0
μs.
※In relation to IC shutdown, this is after approximately 2
μs.
Noise also does not occur when toggling the switch.
(10) Input coupling capacitor
Making the input coupling capacitor a value less than 0.1
μF (the recommended value) increases SAG. Determine
the capacitance of the input capacitor used after taking into consideration the relationship of SAG to input coupling
capacitor.
Fig.7
Moreover, if you make the input coupling capacitor a value greater than 0.1
μF (the recommended value), it may take
time for the output waveform to stabilize.
Decide the value of the coupling capacitor used by referring to the results
shown in Fig. 10.
Approx. 0.7V
Vcc+VF
Diode ON
Vcc
Fig.4
0
10
20
30
40
50
60
0.00
0.01
0.10
1.00
INPUT COUPLING CAPACITOR (
μF)
SAG(
m
V)
Relationship of SAG to Input Coupling Capacitor
↑
↓△V
ΔV : SAG
Vin
VOUT
0.1μF
Monitor
Vary the value of an
external capacitor and
check the bounds of the
output waveform
100μF
22μF
75Ω
VSAG
75Ω
Cin
1V
①
Vin
VOUT
Monitor
100μF
22μF
75Ω
VSAG
75Ω
③
②
Cin
STBY
Fig.8
Fig.9
(Startup characteristic, Vcc = 3.0 V)
(Shut down characteristic, Vcc = 3.0 V)
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