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ACT8828 Datasheet(PDF) 32 Page - Active-Semi, Inc

Part # ACT8828
Description  Six Channel ActivePathTM Power Management IC
PDF  49 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8828 Datasheet(HTML) 32 Page - Active-Semi, Inc

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STEP-UP DC/DC CONVERTER
ACT8828
Rev 3, 24-Sep-09
Active-Semi
Innovative Power
TM
- 32 -
www.active-semi.com
Copyright © 2009 Active-Semi, Inc.
ActivePMU
TM and ActivePathTM are trademarks of Active-Semi.
I
2CTM is a trademark of Philips Electronics.
31
TYPICAL PERFORMANCE CHARACTERISTICS
CH1
REG4/ON4[ ] = 0
CH1: VOUT4, 10V/div
CH2: VFB4, 200mV/div
TIME: 2ms/div
CH1
CH2
CH1: VOUT4, 10V/div
TIME: 100µs/div
0V
0V
REG4/ON4[ ] = 1
(ACT8828QJ16C, TA = 25°C, unless otherwise specified.)
Output Current (mA)
1
5
9
13
17
21
25
29
4 LEDs
6 LEDs
100
90
80
70
60
50
REG4 Efficiency vs. Output Current
VSYS Voltage (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
REG4 RDSON vs. VSYS Voltage
900
800
700
600
500
400
300
200
REG4 Over-Voltage Protection
REG4 Startup Waveform



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