NTE7147 데이터 시트보기 (PDF) - NTE Electronics

부품명

상세내역

제조사

NTE7147

Integrated Circuit Full Bridge Current Driven Vertical Deflection Booster

NTE Electronics 

Electrical Characteristics (Cont’d): (VP = 15V, TA = +25°C, VFB = 40V, voltage referenced to

Pin5 (GND) unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Output Stages A and B (Cont’d)

DC Output Voltage

Open–Loop Current Gain (I4, 6/Iid)

Open–Loop Current Gain (I4, 6/I9)

Current Ratio (Iid/I9)

Output Ripple Current as a Function

of Supply Ripple

V4, V6

Goi

Gofb

Gifb

Idefl(ripple)

Iid = 0A, Closed–Loop

I4, 6 < 100mA, Note 9

I4, 6 < 100mA, Note 9

Closed–Loop

VP(ripple) = ±0.5V, Iid = 0,

Closed–Loop

6.6 7.2 7.8

V

– 100

–

dB

– 100

–

dB

– –0.2 –

dB

–

±1

–

mA

Flyback Generator

Voltage Drop During Flyback

Reverse

Forward

Switching On Threshold Voltage

Switching Off Threshold Voltagte

Flyback Current During Flyback

Guard Circuit

V7, 6

V6

V6

I7

Idefl = 0.7A

defl = 1.0A

defl = 0.7A

defl = 1.0A

– –2.0 –3.0 V

– –2.3 –3.5 V

– +5.6 +6.1 V

– +5.9 +6.5 V

VP–1 – VP+1.5 V

Vp–1.5 – VP+1 V

–

–

±1

A

Output Voltage

V8 Guard On

Guard On, VP = 8.2V

Guard Off

7.5 8.5 10

V

6.9

– VP–0.4 V

–

–

0.4

V

Output Current

Allowable External Voltage on Pin8

I8

V8(ext.)

Guard On

Guard Off, V8 = 5V

VP ≤ 13V

5

–

–

mA

0.5 1.0 1.5 mA

0

–

13

V

0

– VP+0.3 V

Note 9. Frequency behaviour of Goi and Gofb.

a) –3dB open–loop bandwidth (–45°) at 15kHz; second pole (–135°) at 1.3MHz.

b) Open–loop gain at second pole (–135°) 55dB.

Pin Connection Diagram

(Front View)

9 Feedback Input

8 Guard Output

7 Flyback Supply Voltage

6 Output A

5 GND

4 Output B

3 VP

2 Input B

1 Input A

Share Link: