Sanyo EP92H User's Manual | Page 5

Sanyo Cell Phone User's Manual - EP92H.
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Here we introduce examples of ICs used for cell phones implemented as modules using Integrated System in Board.

These products combine a step-up DC/DC converter, n-channel power MOSFET, and Schottky barrier diode devices
in a single module. A switching step-up power supply can easily be implemented with just the addition of external
voltage setting resistor, coil, and capacitor components.

8

9

Module technologies that achieve high-density and thinner form factors

Integrated System in Board Application
Products (Standard Products)

Integrated System in Boar
Products (Standard Pr

Top surface

Back surface

3.4 

× 3.4 × 0.65 mm3

Mounting area  reduced by 35%

Earlier mounting

Integrated System in Board

Integrated System in Board

Di

TR

GND

CE

EXT

IC

VDD

FB

■ Block Diagram (SR10010)

■ Block Diagram 

■ Compared to discrete components with Integrated System in Board

    Type No.

Type

Size

                         Status

SR10010

1ch

Step-up type

180 kHz

20 V

 

ES samples/MP support

SR10020

 

300 kHz

20 V

                       

ES samples/MP support

SR10030

180 kHz

30 V

3.4 

× 3.4 × 0.65 mm3

ES samples/MP support

SR10110

100 kHz

20 V

                       

In volume production

SR10210

100 kHz

20 V

                       

In volume production

SR103XX

----

 ----

----   

             Under development

SR20010

2ch

180 kHz

20 V

5.0 

× 5.0 × 0.65 mm3

ES samples/MP support

Number of 

channels

Oscillator 
frequency

Withstand 

voltage

Step-down 

type

– power 

supply type

■ Product lineup

2002

2004

Charge control circuit

10.0 × 10.0 = 100.0 mm2

+

Regurator IC

3.0 × 3.0 = 9.0 mm2

ISB-E17-0

4.4 5 × 4.45 = 19.80 mm2

Mounting area reduced by 80%

Size: 109.0 mm2 → 19.80 mm2

Thin Form, Miniature 1 or 2 Channel DC/DC Converter Power Supplies

SR Series 

Earlier mounted

Integrated system in Board

NTSC/PAL encoder+Video driver+Audio codec+Speaker amplifier

LC822964

Video Block
●One output system

Low-cost version specialized for cell phones

●Supports a wide variety of input data (ITU-R601/SQ)
●No output coupling capacitors required
●High performance
- Switching noise does not appear on the screen due to

the use of charge pump technology

- Voltage sag does not occur
●Built-in 6th order low-pass filter: fc = 7.5 MHz
●Standby mode power consumption: 0 µA

Audio Block
●D/A converter signal-to-noise ratio: 98 dB (A

weighting), THD: 84 dB at 48 kHz

●A/D converter signal-to-noise ratio: 90 dB (A

weighting), THD: 80 dB at 48 kHz

●Programmable ALC/noise gate
●Stereo/monaural microphone interface
●Built-in headphone driver
●Low power consumption
●450 mW output (Vcc = 3.6 V, 1 kHz, THD = 1%)
●Power saving and standby functions

Featuring

Speaker
amplifier

Microphone
amplifier

Speaker amplifier
LA74220C

Audio Codec

ALC

ADC

DAC

Volume

Heaphone
amplifier

Audio I/O block

I

2S

75 

 Video Driver

LA73074C

NTSC/PAL Encoder LC822962

Timing 

Generator

IIC I/F

ITU-R601/SQ

I/F

NTSC/PAL

Video Encoder

TV output block

CCIR601

Composit

video output

Current mounting area

84.88 mm2  +  Passive components

Integrated System in Board
45 mm2 (6.0

×7.5 mm2)

Sound I/O + TV output

NTSC/PAL encoder
5.0

×5.0×1.0 mm3

Video driver
2.8

×2.8×0.8 mm3

TV Output Block

Sound I/O Block

Audio codec
5.2

×5.2×0.8 mm3

Speaker amplifier
5.0

×5.0×0.8 mm3

Mounting area

can be 

reduced by 

over 50%

New

product

SANYO Original technology