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IR35211 Datasheet(PDF) 8 Page - International Rectifier

Part # IR35211
Description  Dual Output Digital Multi-Phase Controller
PDF  58 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR35211 Datasheet(HTML) 8 Page - International Rectifier

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Dual Output Digital Multi-Phase Controller
IR35211
www.irf.com   |  © 2014 International Rectifier
July 24, 2014  |  V1.00
8
ELECTRICAL SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS FOR RELIABLE OPERATION WITH MARGIN
Recommended Operating Ambient Temperature Range
0°C to 85°C
Supply Voltage Range
+2.90V to +3.63V
The electrical characteristics table lists the spread of values guaranteed within the recommended operating
conditions. Typical values represent the median values, which are related to 25°C.
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Supply
VCC/GND
Supply Voltage
Vcc
2.90
3.3
3.63
V
Supply Current
Ivcc
No PWM switching
95
105
125
mA
3.3V UVLO Turn-on Threshold
-
2.80
2.90
V
3.3V UVLO Turn-off Threshold
2.60
2.70
-
V
Input Voltage (4V-19V) Sense Input
VINSEN
Input Impedance
1
-
-
MΩ
Input Range
V12
With 14:1 divider
0
0.857
1.1
V
UVLO Turn-on Programmable Range
1
With 14:1 divider
-
4.5 –
15.9375
-
V
UVLO Turn-off Programmable Range
1
With 14:1 divider
-
4.5 –
15.9375
-
V
OVP Threshold (if enabled)
Desktop mode
14.3
14.6
14.9
V
Notebook mode
-
23.5
-
AUX Voltage (5V) Sense Input
VAUXSEN
Input Impedance
1
1
-
-
MΩ
UVLO Turn-on Threshold
1
With 14:1 divider
4.3
4.5
4.75
V
UVLO Turn-off Threshold
1
With 14:1 divider
3.8
4
4.3
V
Reference Voltage and DAC
Boot Voltage Range
1
AMD mode
-
0.00625
– 1.55
-
V
Intel VR12 mode
-
0.25 –
1.52
-
V
Intel VR12.5 mode
-
0.5 – 2.3
-
V
System Accuracy
3
VID = 2.005V–2.3V
-1.1
-
1.1
%VID
VID = 1.0V–2.0V
-0.5
-
0.5
%VID
VID = 0.8 – 0.995V
-5
-
5
mV
VID = 0.25 –0.795V
-8
-
8
mV
External Reference Resistor
RRES
1% external bias resistor
-
7.5
-
kΩ
Oscillator & PWM Generator
Internal Oscillator
1
-
96
-
MHz
Frequency Accuracy
2
-2.5
-
2.5
%



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