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參數(shù)資料
| 型號(hào)： | STV7778S |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 32K FLASH |
| 中文描述： | 偏轉(zhuǎn)處理器多同步監(jiān)測(cè) |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 125K |
| 代理商： | STV7778S |
B+ SECTION
Operating Conditions
Symbol
EAOI
Parameter
Test conditions
Sourced by Pin 41
Sunk by Pin 41
Resistor between Pins 40
and 41
Min.
Typ.
Max.
0.5
2
Unit
mA
mA
k
Maximum Error Amplifier Output Current
FeedRes
Minimum Feedback Resistor
5
7
Electrical Characteristics
(V
CC
= 12V, T
amb
= 25°C)
Symbol
OLG
Parameter
Test conditions
At low frequency
(see Note 1)
(see Note 1)
Current sourced by Pin 40
(PNP base)
Current sourced by Pin 41
Current sink by Pin 41
Pin 42
Pin 42
Current sunk by Pin 42
(NPN base)
% of H-period,
@ f0 = 27kHz
V
22
with I
22
= 10mA
On error amp (+) input for
V
39
= 4V
2V < V
39
< 6V
Min.
Typ.
85
Max.
Unit
dB
Error Amplifier Open Loop Gain
UGBW
IRI
Unity Gain Bandwidth
Regulation Input Bias Current
6
MHz
μ
A
0.2
EAOI
Maximum Guaranted Error Amplifier
Output Current
Current Sense Input Voltage Gain
Max Curent Sense Input Threshold Voltage
Current Sense Input Bias Current
0.5
2
mA
mA
CSG
MCEth
ISI
3
1.2
1
V
μ
A
Tonmax
Maximum External Power Transistor on Time
75
%
B+OSV
B+ Output Low Level Saturation Voltage
0.25
V
IVref
Internal Reference Voltage
4.9
V
V
REFADJ
Internal Reference Voltage Adjustment
±
14
%
7
EAST WEST PARABOLA GENERATOR
Electrical Characteristics
(V
CC
= 12V, T
amb
= 25°C)
Symbol
Vsym
Parameter
Test conditions
See Figure 2 ;
Internal voltage
V
38
= 2V
V
38
= 4V
V
38
= 6V
See Figure 2 ; V
37
= 4V
V
38
= 2V
V
38
= 6V
V
38
= 4.3V, V
28
= 2V
V
= 2V
2V < V
37
< 6V
Min.
Typ.
Max.
Unit
V
Parabola Symetry Adjustment Capability
(for Keystone Adjustment ; with Pin 38)
3.2
3.5
3.8
Kadj
Keystone Adjustment Capability
B/A ratio
A/B ratio
Parabola Amplitude Adjustment Capability
Maximum Amplitude on Pin 36
Maximum Ratio between Max and Min
2.3
2.0
Paramp
3.3
2.4
3.8
3
4.3
V
7
STV7778S
7/11
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