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EP92H
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 Board Application
Products (Standard Products)
Top surface
Back surface
3.4 × 3.4 × 0.65 mm
3
Mounting area
reduced by 35%
Earlier mounting
Integrated System in Board
Integrated System in Board
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 mm
3
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 mm
3
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 mm
2
+
Regurator IC
3.0 × 3.0 = 9.0 mm
2
ISB-E17-0
4.4 5 × 4.45 = 19.80 mm
2
Mounting area
reduced by 80%
Size: 109.0 mm
2
19.80 mm
2
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
2
S
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 mm
2
+
Passive components
Integrated System in Board
45 mm
2
(6.0×7.5 mm
2
)
Sound I/O + TV output
NTSC/PAL encoder
5.0×5.0×1.0 mm
3
Video driver
2.8×2.8×0.8 mm
3
TV Output Block
Sound I/O Block
Audio codec
5.2×5.2×0.8 mm
3
Speaker amplifier
5.0×5.0×0.8 mm
3
Mounting area
can be
reduced by
over 50%
New
product
SANYO Original technology
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