NTE7134 데이터 시트보기 (PDF) - NTE Electronics

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NTE7134

Integrated Circuit Horizontal and Vertical Deflection Controller for Monitors

NTE Electronics 

Electrical Characteristics (Cont’d): (VP = 12V, TA = +25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Adjustment of Horizontal Picture Position (Cont’d)

Reference Voltage at Input

Picture Shift is Centered if

HPOS (Pin30) is Forced to GND

Vref(HPOS)

Voff(HPOS)

Note 7

– 5.1 –

V

0

– 0.1 V

Horizontal Oscillator [HCAP (Pin29) and HREF (Pin28)]

Free–Running Frequency Without PLL1

Action (For Testing Only)

Spread of Free–Running Frequency

(Excluding Spread of External

Components)

Temperature Coefficient of

Free–Running Frequency

fH(0)

∆fH(0)

RHBUF = ∞, RHREF = 2.4kΩ, 30.53 31.45 32.39 kHz

CHCAP = 10nF, Note 5

–

– ±3.0 %

TC

–100 – +100 10–6/K

Maximum Oscillator Frequency

fH(max)

Voltage at Input for Reference Current

VHREF

PLL2 Phase Detector [HFLB (Pin1) and HPPL2 (Pin31)]

–

– 130 kHz

2.43 2.55 2.68 V

PLL2 Control (Advance of Horizontal

Drive with Respect to Middle of

Horizontal Flyback)

∆φPLL2

Maximum Advance

Minimum Advance

36 –

–

%

–

7

–

%

Delay Between Middle of Horizontal

Sync and Middle of Horizontal

Flyback

td(HFLB) HPOS (Pin30) Grounded

– 200 –

ns

Maximum Voltage for PLL2 Protection

Mode/Soft Start

VPROT(HPLL2)

– 4.4 –

V

Charge Current for External Capacitor

During Soft Start

Icharge(HPLL2) VHPLL2 < 3.7V

– 15 – µA

Horizontal Flyback Input [HFLB (Pin1)]

Positive Clamping Level

Negative Clamping Level

Positive Clamping Current

Negative Clamping Current

VHFLB

IHFLB

IHFLB = 5mA

IHFLB = –1mA

– 5.5 –

V

– –0.75 –

V

–

–

6 mA

–

– –2 mA

Slicing Level

VHFLB

Output Stage for Line Driver Pulses [HDRV (Pin7)]

– 2.8 –

V

Open Collector Output Stage

Saturation Voltage

Output Leakage Current

Automatic Variation of Duty Factor

VHDRV

Ileakage(HDRV)

IHDRV = 20mA

IHDRV = 60mA

VHDRV = 16V

–

– 0.3 V

–

– 0.8 V

–

– 10 µA

Relative tOFF Time of HDRV Output

tHDRV(OFF)/tH IHDRV = 20mA, fH = 31.45kHz 42.0 45.0 48.0 %

Measured at VHDRV = 3V,

HDRV Duty Factor is Determined by

IHDRV = 20mA, fH = 57kHz

45.0 46.3 47.7 %

the Relation IHREF/IVREF

IHDRV = 20mA, fH = 90kHz

46.6 48.0 49.4 %

Note 5. Oscillator frequency is fmin when no sync signal is present (no continuous blanking at Pin16).

Note 7. Input resistance at HPOS (Pin30):

RHPOS =

kT

q

x

1

IHPOS

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