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参数资料
| 型号： | TDA9115 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 偏转 |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP32 |
| 封装： | SHRINK, PLASTIC, DIP-32 |
| 文件页数： | 7/45页 |
| 文件大小： | 675K |
| 代理商： | TDA9115 |
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TDA9115
15/45
6.8 DC/DC CONTROLLER SECTION
VCC = 12V, Tamb = 25°C
Note 32: A current sink is provided by the BComp output while BOut is disabled:
Note 33: Internal reference related to VRefO. The same values to be found on pin BRegIn, while regulation loop is
stabilized.
Note 34: Only applies to configuration specified in "Test conditions" column, i.e. synchronization of BOut “Off-to-On”
edge with horizontal flyback signal. Refer to chapter "DC/DC controller" for more details.
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
RB+FB
Ext. resistance applied between
BComp
output and BRegIn input
5k
AOLG
Open loop gain of error amplifier
on BRegIn input
Low frequency(18)
100
dB
fUGBW
Unity gain bandwidth of error am-
plifier on BRegIn input
(18)
6MHz
IRI
Bias current delivered by regula-
tion input BRegIn
-0.2
A
IBComp
Output current capability of BComp
output.
HBOutEn = "Enable"
HBOutEn = "Disable" (32)
-0.5
0.5
2.0
mA
ABISense
Voltage gain on BISense input
3
VThrBIsCurr
Threshold voltage on BISense input
corresponding to current limitation
1.98
2.1
2.22
V
IBISense
Input current sourced by BISense input
-1
A
IBOut
Output current capability of BOut
output
010
mA
VBOSat
Saturation voltage of the internal output
transistor on BOut
IBOut=10mA
0.25
0.35
V
VBReg
Regulation reference for BRegIn
voltage(33)
VRefO=8V
4.7
4.8
5.0
V
tBTrigDel /TH
Delay of BOut “Off-to-On” edge after
middle of flyback pulse, as part of TH
(34)
BOutPh = "0"
16
%
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