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LA7852 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LA7852
Description  CRT Display Synchronization Deflection Circuit
Download  5 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA7852 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V11,V22
14
V
Allowable power dissipation
Pd max
Ta
% 65° C
780
mW
Operating temperature
Topr
–20 to +85
°C
Storage temperature
Tstg
–55 to +125
°C
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V11,V22
12
V
Operating voltage range
V11,V22
9 to 13.5
V
Recommended vertical pulse input peak value
VPULSE
5
Vp-p
Operating vertical pulse input peak value range
VPULSE
2 to 6
Vp-p
Recommended horizontal pulse input peak value
HPULSE
5
Vp-p
Operating horizontal pulse input peak value range
HPULSE
2 to 6
Vp-p
Operating Characteristics at Ta = 25°C, V11,V22 =12 V
Parameter
Symbol
Conditions
min
typ
max
Unit
VCC11 current dissipation
I11
12
30
mA
VCC22 current dissipation
I22
512
mA
Vertical frequency pull-in range
Vp IN
Vertical sync 60 Hz
10.0
12.0
Hz
Vertical free-running frequency
fv
fv center 55 Hz
50
60
Hz
Increased/reduced voltage
characteristic of vertical
frequency
∆fv-v
V22 =12 ± 1 V, 55 Hz at 12 V
–0.1
+0.1
Hz
Midpoint control
threshold level
3.8
4.4
V
Vertical OSC start voltage
Fvcst
4.0
V
Temperature characteristic of
vertical frequency
Ta = –10 to +60°C
–0.028
+0.028 Hz/°C
Vertical driver
amplification factor
Gv
12
18
dB
Horizontal AFC DC loop gain
IAFC+
0.85
1.6
mA
IAFC
–1.6
–0.85
mA
Horizontal free-running
frequency
fH
fH center 15.734 kHz
–750
+750
Hz
Horizontal OSC start voltage
fHcst
4.0
V
Increased/reduced voltage
characteristic of horizontal
frequency
∆fHcvV11 =12 ± 1 V, 15.734 kHz at 12 V
–50
+50
Hz
Horizontal OSC warm-up drift
∆fH
5 s to 30 min. after application of power
–50
+50
Hz
Temperature characteristic of
horizontal frequency
Ta = –10 to +60°C
–2.9
+2.9 Hz/°C
Horizontal output drive current
I13
6.0
12.0
mA
Increased/reduced voltage
characteristic of phase shifter
delay time
V11 =12 ± 1 V
–0.5
+0.5
%/V
Temperature characteristic of
phase shifter delay time
Ta = –10 to +60°C
–0.1
+0.1
%/°C
Increased/reduced voltage
characteristic of phase shifter
delay time
V11 =12 ± 1 V
–1.0
+1.0
%/V
Temperature characteristic of
phase shifter pulse width
Ta = –10 to +60°C
–0.13
+0.13
%/°C
AFC phase comparison center
time
15.734 kHz after FBP input
9.9
11.5
µs
LA7852
No.2781-2/5


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