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YOBON TECHNOLOGIES
YOBON TECHNOLOGIES

YB1900C Datasheet Preview

YB1900C Datasheet

Ultra Low Quiescent Current Smart Load Switch

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YB1900C pdf
YB1900C
Ultra Low Quiescent Current Smart Load Switch
Description
The YB1900C is a high side slew rate
controlled smart load switch. The slew rate
control in YB1900C can effectively avoid
the large in-rush current which is
commonly observed in normal power
switches. Moreover, the level shift in
YB1900C allows customers to control 1.8
to 5.5V system with 1.5V logic and without
sacrificing leakage current.
The YB1900C has typical low RDS(on)
around 100m, which allows large power
handling capabilities. Very low quiescent
current and fast load discharge also makes
it ideal for power sensitive applications
nowadays.
The YB1900C is available in SOT23-5 or
SOT23-6 package with the temperature
range valid from -40 to 85.
Features
„ 1.8V to 5.5V Input Voltage Range
„ Slew Rate Limited at 100μs
„ Very Low RDS(on), Typically 100m
„ Less than 1μA Shutdown Current
„ Output Voltage As Low As 0.6V
„ Very Low Quiescent Current,
Typically 2μA
„ Fast Shutdown Load Discharge
„ TTL / CMOS Input Logic Level
„ 4KV ESD Rating
„ EMI Free Circuit
„ SOT23-5 or SOT23-6 Package
„ Green Package (RoHS) Available
Applications
„ Cellular and Smart Phones
„ Hot Swap Supplies
„ Microprocessors and DSP Core Supplies
„ PDAs
„ MP3 Players
„ Digital Still and Video Cameras
„ Portable Instruments
Typical Application Circuit
VIN
VIN
CIN
1µF
EN
OFF ON
OUT
YB1900C
GND
VOUT
COUT
0.1µF
YB1900C Rev.1.4
Figure 1: Typical Application Circuit
www.yobon.com.tw
1



YOBON TECHNOLOGIES
YOBON TECHNOLOGIES

YB1900C Datasheet Preview

YB1900C Datasheet

Ultra Low Quiescent Current Smart Load Switch

No Preview Available !

YB1900C pdf
Pin Configuration
YB1900C
Ultra Low Quiescent Current Smart Load Switch
OUT 1
5 VIN
GND 2
EN 3
4 VIN
SOT23-5
OUT 1
GND 2
EN 3
SOT23-6
6 VIN
5 GND
4 VIN
Figure 2: Pin Configuration
Pin Assignment &Description
Table 1
FOR SOT23-5
Pin
Name
Description
1 OUT Switch output drain of P-channel power MOSFET.
2 GND Ground pin. Connect directly to local ground plane.
3 EN Enable control input.
4, 5 VIN Switch input source of P-channel power MOSFET.
Table 2
FOR SOT23-6
Pin
1
2, 5
3
4, 6
Name
OUT
GND
EN
VIN
Description
Switch output drain of P-channel power MOSFET.
Ground pin. Connect directly to local ground plane.
Enable control input.
Switch input source of P-channel power MOSFET.
Ordering Information
Table 3
Order Number Package Type
YB1900ST25
SOT23-5
YB1900ST26
SOT23-6
Supplied As
3000 Units Tape & Reel
3000 Units Tape & Reel
Package Marking
Y9C
Y9C
YB1900C Rev.1.4
www.yobon.com.tw
2


Part Number YB1900C
Description Ultra Low Quiescent Current Smart Load Switch
Maker YOBON TECHNOLOGIES
Total Page 9 Pages
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