Datasheet STV9380 Datasheet (SGS Thomson Microelectronics)

STV9380

CLASS-D VERTICAL DEFLECTION AMPLIFIER FOR TV AND

MONITOR APPLICATION

TARGET SPECIFICATION

FEATURES

■ High Efficiency Power Amplifier

■ No Heatsink

■ Split Supply

■ Flyback Generator

■ Output Current up to 2.5 APP

■ Flyback Voltage up to 65V

■ Suitable for DC Coupling Application

PDIP20 (14+3+3)
ORDER CODE: STV9380

DESCRIPTION

Designed for monitors and TVs, the STV9380 is a
class-D vertical deflection booster assembled in
PDIP20 Package.

It operates with supplies up to +/- 16V , provides
up to 2.5 App output current to drive the yoke. Fly­back voltage is close to 65V.

PIN CO NNECTIO N

-V

-V

-V
OUT

CFL Y +

CFLY -

BOOT
VREG

FEEDCAP

FREQ

CC
CC

CC

1
2
3

4
5

6
7
8
9

10

20
19
18
17
16
15
14
13
12

11

-V

CC

-V

CC

-V

CC

-V

CC

+ V

CC

+V

CC

EAout
IN+
IN-

SGND

POW

POW

Version 1.1

May 2000 1/7

This is preliminary information on a new product now in development. Details are subject to change without notice.

1

STV9380

1 - PIN FUNCTIONS

Pin

Number

1-V
2-V
3-V

Name Function

CC

CC

CC

Negative supply
Negative supply
Negative supply

4 OUT PWM Output
5 CFLY+ Flyback capacitor
6 CFLY- Flyback capacitor
7 BOOT Bootstrap capacitor
8 VREG Internal voltage regulator

9 FEEDCAP Feed-back integrated capacitor
10 FREQ Frequency setting resistor
11 SGND Signal Ground
12 IN- Error amplifier inverting input
13 IN+ Error amplifier non-inverting input
14 EA out Error amplifier output
15 +V

16 +V

CC

CC

POW

Positive supply

Positive Power supply
17 -VccPOW Negative Power supply
18 -V
19 -V
20 -V

CC

CC

CC

Negative supply

Negative supply

Negative supply

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2

+VCC

Figure 1. Tes t an d A pplication Ci rc ui t

-VCC

1kΩ

Input signal

1kΩ

100nF

EA out

10kΩ

100nF

VREG

IN+

IN -

8

13

12

14

SGND

15

Vref

+
_

11

FEEDCAP

+VCC

4.7nF

Flyback

detection

Modulator

9

16

Flyback

generator

Output

drive

Pins 1,2,3,18,19,20

10

FREQ

10kΩ

-VCC
100nF 470µF

470µF

+VCC power

STV9 380

TDA9380

17

-VCC power

5

6

7

4

150Ω

CFLY+

CFLY-

BOOT

OUT

CFLYBACK
100µF

Cboot
100nF

1mH

470nF

560pF

150Ω

Deflect.

Yoke

200

0.5Ω

Ω

-VCC

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2

STV9380

STV9380

Figure 2. Rth with “on board” Square Heatsink vs. copper area

R

thj-a

(×C/W)

60

COPPER AREA 35
THICKNESS

D97AU675

∝

50

PC BOARD

40

30

0 4 8 12 Area(cm2)

2 - ABSOLUTE MAXIMUM RAT ING

Symbol Parameter Value Unit

VCC DC Supply Voltage ±18 V

, T

T

stg

T

op

VESD

Iout Output current ±1.6 A

Storage and Junction Temperature -40 to +150 °C

j

Operating Temperature Range 0 to +70 °C
ESD Susceptibility - Human Body Model (100 pF discharge through

Ω)

1.5 k

±2 kV

3 - THERMAL DAT A

Symbol Parameter Value Unit

4/7

R

th j-amb

R

th j-pin

Thermal resistance Junction to ambiant 80 °C/W
Thermal Resistance Junction to Pin 12 °C/W

2

STV9380

4 - ELECTRIC AL CHARACTERISTICS (refer to Figure 1 on page 3)

Tamb = 25°C unless otherwise specified, Vcc = ±12V

Symbol Parameter Test Conditions Min. Typ. Max. Units

Vcc Supply range ±10 ±16 V
Iout Maximum recommend ed out-

put current

Iq Quiescent supply current Input voltage = 0 TBD TBD mA

, I

I

13

V

SVR Supply voltage rejection TBD TBD dB

Fly

Fly

η

Fsw Switching frequency 120 140 160 kHz

Fsw - op Switching frequency opera -

R

freq

Amplifier Input bias current -0.1 µA

12

Output Offset voltage Input voltage = 0 -50 +50 mV

OS

Flyback detection threshold

thr

positive slope
Flyback detection threshold

thf

negative slope
Efficiency = Po/(Po + Pd)P

tive range
Frequency controller resistor

range

V(14) 1.5 V

V(14) 0.5 V

= 3 W TBD

o

100 200 kHz

71014k

±1.25 A

Ω

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2

STV9380

5 - PACKAGE MECHANICAL DAT A

K1

K2 R1

e

b

Z

20

1

B

e3

D D1

11

10

R1

N

a1

I

A

L

N

K

C F

Ee4

TIE BAR CENTER

a2

b1

Dimensions Millimeters Inches

Typ. Min. Max. Typ. Min. Max.

A 3.30 3.18 3.43 0.130 0.125 0.135
a1 0.762 0.508 1.016 0.030 0.020 0.040
a2 1.30 0.051

B 1.27 0.85 1.40 0.050 0.033 0.055

b 0.508 0.45 0.53 0.020 0.018 0.021
b1 0.43 0.38 0.48 0.017 0.015 0.019

C 5.20 6.00 0.205 0.236

D 24.65 24.55 24.77 0.970 0.966 0.975

D1 24.38 24.33 24.45 0.959 0.958 0.962

E 8.80 8.40 9.10 0.346 0.331 0.358

e 2.54 2.29 2.79 0.100 0.090 0.110
e3 22.86 22.60 23.11 0.900 0.890 0.910
e4 7.62 7.36 7.87 0.300 0.290 0.310

F 6.35 6.22 6.47 0.250 0.245 0.255

I 4.06 3.81 4.31 0.160 0.150 0.170
L 3.30 3.00 3.70 0.130 0.118 0.146
N 10d 10d

R1 0.40 0.016

K 2.00 1.90 2.16 0.079 0.075 0.085

K1 2.40 2.30 2.50 0.094 0.090 0.098
K2 0.50 0.45 0.55 0.020 0.018 0.022

Z 1.27 0.050

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STV9380

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third parties whi ch ma y res ult fro m its u se. N o licen se is grant ed by implic ation or oth erwi se und er an y patent
or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change with­out notice. This publication supe rsedes and repl aces all informa tion previously s upplied. STMicr oelectronics
products are not auth orized for use as critical componen ts in lif e support devices or syst ems with out the e x­press written approval of STMicroelectronics.

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