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参数资料
| 型号： | TDA4866J |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 偏转 |
| 英文描述： | VERTICAL DEFLECTION IC, PZIP9 |
| 封装： | POWER, PLASTIC, SOT-523-1, DIL-BENT-SIL, 9 PIN |
| 文件页数： | 12/20页 |
| 文件大小： | 108K |
| 代理商： | TDA4866J |
2001 Aug 07
2
Philips Semiconductors
Product specication
Full bridge current driven vertical deection
booster
TDA4866
FEATURES
Fully integrated, few external components
No additional components in combination with the
deflection controller TDA485x, TDA4841PS
Pre-amplifier with differential high CMRR current mode
inputs
Low offsets
High linear sawtooth signal amplification
High efficient DC-coupled vertical output bridge circuit
Powerless vertical shift
High deflection frequency up to 160 Hz
Power supply and flyback supply voltage independent
adjustable to optimize power consumption and flyback
time
Excellent transition behaviour during flyback
Guard circuit for screen protection.
GENERAL DESCRIPTION
The TDA4866 is a power amplifier for use in 90 degree
colour vertical deflection systems for frame frequencies of
50 to 160 Hz. The circuit provides a high CMRR current
driven differential input. Due to the bridge configuration of
the two output stages DC-coupling of the deflection coil is
achieved. In conjunction with TDA485x, TDA4841PS the
ICs offer an extremely advanced system solution.
QUICK REFERENCE DATA
Notes
1. Voltages refer to pin 5 (GND).
2. Up to 60 V
≥ VFB ≥ 40 V a decoupling capacitor CFB =22 F (between pin 7 and pin 5) and a resistor RFB = 100
(between pin 7 and VFB) are required (see Fig.7).
3. Differential input current Iid =I1 I2.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
DC supply; note 1
VP
supply voltage (pin 3)
8.2
25
V
VFB
yback supply voltage (pin 7)
note 2
60
V
Iq
quiescent current (pin 7)
710
mA
Vertical circuit
Ide
deection current (peak-to-peak value; pins 4 and 6)
0.6
2A
Iid
differential input current (peak-to-peak value)
note 3
±500
±600
A
Flyback generator
IFB
maximum current during yback
(peak-to-peak value; pin 7)
2A
Guard circuit; note 1
V8
guard voltage
guard on
7.5
8.5
10
V
I8
guard current
guard on
5
mA
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