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ACT5880 датащи(PDF) 48 Page - Active-Semi, Inc

номер детали ACT5880
подробное описание детали  15 Channels Advanced PMU for Smart Phone
PDF  87 Pages
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производитель  ACTIVE-SEMI [Active-Semi, Inc]
домашняя страница  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT5880 датащи(HTML) 48 Page - Active-Semi, Inc

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ACT5880
Rev 2, 03-Sep-13
- 48 -
www.active-semi.com
ActivePMU
TM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
Copyright © 2013 Active-Semi, Inc.
Active-Semi Confidential―Do Not Copy or Distribute
STEP-UP DC/DC ELECTRICAL CHARACTERISTICS
(VPOWER = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Operating Voltage Range
VVBAT
2.7
6
V
UVLO
VVBAT
2.5
2.6
2.7
UVLO Hysteresis
100
mV
Output Programming Range
3
41.4
V
Output Voltage Accuracy
IOUT=10mA.
-3
3
%
Maximum Load Current
VPOWER=4.2V, VOUT3=5V, Voltage regulation option.
0.5
A
FB3 Feedback Voltage
Not available in voltage regulation mode,
contact Active-semi for more details.
/
mV
FB3 Input Current
/
nA
Turn-On Propagation Delay
From the I2C last bit latched or PWRHLD set 1 to
output changes.
150
µs
Soft Start Ramp Time,
voltage regulation option.
Time between 2 intersection points of the ramp
slope and 2 voltages; 0% and 100% of the final, no
and full load.
200
Switch Frequency
Normal operation, is the system oscillator
frequency.
1.8
2
2.2
MHz
Minimum Off-Time
40
ns
Minimum On-Time
75
90
Efficiency
Voltage regulation option, VOUT3=5V, Load=200mA.
90
%
Switch Current Limit
0.75
A
OK Threshold to Normal
Ratio
OK[ ] asserts 0
93
%
No Load Current
Switch in operation
1300
µA
Shutdown Current
1
Switch stops
80
Note:
The VPOWER is the voltage input that the Step-up DC/DC inductor connects to.
See the TYPICAL PERFORMANCE CHARACTERISTICS for:
The REG3 Start up Waveform, Full Load.
The REG3 Step Transition Response, Full Load.
The REG3 Efficiency Plot.
The REG3 Load Transition Response.
The REG3 External PWM Modulation to Current.



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