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uPI Semiconductor
uPI Semiconductor

uP7535 Datasheet Preview

uP7535 Datasheet

Dual-Input Triple-Output Power Multiplexer

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uP7535 pdf
uP7535
Dual-Input Triple-Output Power Multiplexer
in PSOP-8L for USB High Side Switch
General Description
Features
The uP7535 is a current limited, dual-input triple-output
power multiplexer acting as a high side switch for USB
applications where heavy capacitive loads and short-circuits
are likely to be encountered. It switches output voltages to
5VSB at S3/S4/S5 states with 500mswitches and 400mA
capacity; to 5VCC at S0/S1/S2 states with 150m
switches and 1.2A capacity. The outputs can be parallelled
to provide totally 3.0A output current at S0/S1/S2 states.
Optimal switch logic according to S3# and 5VCC status
ensures seamless output voltage transition.
When the output load exceeds the current-limit threshold
or a short is present, the uP7535 asserts over current
protection and limits the output current to a safe level by
driving the power switches into saturation mode.
Other features include soft-start to limit inrush current
during plug-in, thermal shutdown to prevent catastrophic
switch failure from high-current loads, under-voltage lockout
(UVLO) to ensure that the device remains off unless there
is a valid input voltage present. The uP7535 is available in
PSOP-8L package.
Applications
† Compliant to USB Specifications
† Operating Range: 4.5 V to 5.5 V
† Output Voltage Switch to 5VSB at S3/S4/S5
† 400mA Continuous Load Current
† 500mHigh Side Switch
† Output Voltage Switch to 5VCC at S0/S1/S2
† 1.2A Continuous Load Current
† 150mHigh Side Switch
† Low Quiescent Current: 100uA Typical
† Slow Turn On and Fast Turn Off
† Enable Active-High
† Pb-Free (RoHS Compliant)
† UL Approved: E338429
† TuV EN60950-1 Certification
Ordering Information
Order Number Package Type
uP7535ASU8 PSOP-8L
uP7535BSU8 PSOP-8L
Top Marking
uP7535S8
uP7535BS8
† Notebook and Desktop PCs
† USB Power Management
† ACPI Power Distribution
† Hot-Plug Power Supplies
Note :
uP7535ASU8 has EN pin.
uP7535BSU8 has no EN pin
Note: uPI products are compatible with the current IPC/
JEDEC J-STD-020 requirement. They are halogen-free,
RoHS compliant and 100% matte tin (Sn) plating that are
suitable for use in SnPb or Pb-free soldering processes.
Pin Configuration & Typical Application Circuit
S3#
5VCC
5VCC
GND
S3#
EN
5VCC
GND
18
297
3 GND 6
45
uP7535ASU8
18
297
3 GND 6
45
uP7535BSU8
VOUT1
VOUT2
VOUT3
5VSB
VOUT1
VOUT2
VOUT3
5VSB
S3#
5VCC
1 S3# VOUT1 8
2 EN
VOUT2 7
3 5VCC VOUT3 6
4 GND
5VSB 5
uP7535BSU8
VOUT1
VOUT2
VOUT3
5VSB
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. P04, File Name: uP7535-DS-P0401
1



uPI Semiconductor
uPI Semiconductor

uP7535 Datasheet Preview

uP7535 Datasheet

Dual-Input Triple-Output Power Multiplexer

No Preview Available !

uP7535 pdf
uP7535
Functional Pin Description
Pin Name Pin Function
S3# Sleep State Control Pin. This pin along with the 5VCC status controls the switching configuration.
EN Chip Enable. Logic high enables the output voltages.
5VCC
Supply Input from 5VCC. This pin is the N-Channel MOSFET Drain that supplies output current at
S0/S1/S2 states and should be connected to 5VCC. Bypss this pin with a minimum 10uF capacitors
to ground.
GND Ground.
5VSB
Supply Input. This pin is the N-Channel MOSFET Drain that supplies output current at S3/S4/S5 states
and should be connected to 5VSB. This pin also supplies operating current for the device. Bypass this
pin with a minimum 10uF capacitor to ground.
VOUT3
Output Voltage3. This pin is output from N-Channel MOSFET Sources. Bypass this pin with a minimum
10uF capacitor to ground.
VOUT2
Output Voltage2. This pin is output from N-Channel MOSFET Sources. Bypass this pin with a minimum
10uF capacitor to ground.
VOUT1
Output Voltage1. This pin is output from N-Channel MOSFET Sources. Bypass this pin with a minimum
10uF capacitor to ground.
Functional Block Diagram
EN
S3#
GND
5VCC
5VSB
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. P04, File Name: uP7535-DS-P0401
2


Part Number uP7535
Description Dual-Input Triple-Output Power Multiplexer
Maker uPI Semiconductor
Total Page 12 Pages
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