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Qorvo

ACT4527 Datasheet Preview

ACT4527 Datasheet

40V/3.0A CV/CC Buck Converter

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FEATURES
USB-PD Support
Passes USB-IF Certification: Test ID 1010060
40V Input Voltage Surge
4.5V-36V Operational Input Voltage
5.1V/9.1V/12.1V Output with +/-1% Accuracy
Up to 3.0A Output current
Constant Current Regulation Limit
Hiccup Mode Protection at Output Short
>90% Efficiency at Full Load
0.5mA Low Standby Input Current
5.1V/9.1V/12.1V Output Over-Voltage Protection
Cord Voltage Compensation
Meet EN55022 Class B Radiated EMI Standard
SOP-8EP Package
APPLICATIONS
Car Charger
Cigarette Lighter Adaptor (CLA)
Rechargeable Portable Device
CV/CC regulation DC/DC converter
TYPICAL APPLICATION CIRCUIT
4.5V to 40V
C1
C2
47μF 10μF
C3
CSN HSB
22nF
IN
SW
ACT4527
CSP
GND PDC
D1
SK54L
L1
40μH
C4
22μF
Rcs
20m
C5
C6
220μF 2.2μF
I/O
CC1
CC2
USB-PD Controller
ACT4527
40V/3.0A CV/CC Buck Converter
Featuring USB-PD
GENERAL DESCRIPTION
ACT4527 is a wide input voltage, high efficiency step-
down DC/DC converter that operates in either CV
(Constant Output Voltage) mode or CC (Constant
Output Current) mode. ACT4527 has an interface for
USB-PD control via a tri-state digital pin. Vout is 5.1V if
this pin is floating, Vout is 9.1V when this pin voltage is
less than 0.8V and Vout is 12.1V while this pin voltage
is more than 2.0V.
ACT4527 has accurate output current limits under
constant current regulation. It provides up to 3.0A output
current at 125kHz switching frequency. ACT4527
utilizes adaptive drive technique to achieve good EMI
performance while main >90% efficiency at full load for
mini size CLA designs. It also has output short circuit
protection with hiccup mode. The average output
current is reduced to below 6mA when output is shorted
to ground. Other features include output over voltage
protection and thermal shutdown.
This device is available in a SOP-8EP package and
require very few external components for operation.
5V/9V/12V
Vout
CC1
CC2
GND
V/I PROFILE
Vout
12.1V
9.1V
5.1V
3.2V
3.3A Iout
Data Sheet Rev. 3.0, Nov. 13, 2019 | Subject to change without notice
1 of 15
www.qorvo.com




Qorvo

ACT4527 Datasheet Preview

ACT4527 Datasheet

40V/3.0A CV/CC Buck Converter

No Preview Available !

ACT4527
40V/3.0A CV/CC Buck Converter
Featuring USB-PD
ORDERING INFORMATION
PART NUMBER
ACT4527YH-T
OPERATION TEMPERATURE RANGE
-40°C to 85°C
PACKAGE
SOP-8EP
FREQUENCY
125kHz
PACKING
TAPE & REEL
PIN CONFIGURATION
CSP 1
CSN 2
PDC 3
NC 4
ACT4527
GND
EP
SOP-8EP
Top View
8 HSB
7 SW
6 IN
5 NC
Data Sheet Rev. 3.0, Nov. 13, 2019 | Subject to change without notice
2 of 15
www.qorvo.com


Part Number ACT4527
Description 40V/3.0A CV/CC Buck Converter
Maker Qorvo
PDF Download

ACT4527 Datasheet PDF






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