Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

ADP3208D Datasheet(PDF) 8 Page - ON Semiconductor

Part No. ADP3208D
Description  7-Bit, Programmable, Dual-Phase, Mobile, CPU, Synchronous Buck Controller
Download  37 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo 

ADP3208D Datasheet(HTML) 8 Page - ON Semiconductor

Zoom Inzoom in Zoom Outzoom out
 8 / 37 page
background image
ADP3208D
http://onsemi.com
8
ELECTRICAL CHARACTERISTICS VCC = PVCC1 = PVCC2 = BST1 = BST2 = High = 5.0V, FBRTN = GND = SW1 = SW2 = PGND1
= PGND2 = Low = 0 V, EN = VATFREQ = High, DPRSLP = 0 V, PSI = 1.05 V, VVID = 1.2000 V, TA = −40°C to 100°C, unless otherwise
noted (Note 1). Current entering a pin (sunk by the device) has a positive sign. RREF = 80 kW.
Parameter
Unit
Max
Typ
Min
Conditions
Symbol
CURRENT MONITOR
Current Gain Accuracy
IMON/ILIM
Measured from ILIMP to IMON
ILIM = −20 mA
ILIM = −10 mA
ILIM = −5 mA
9.5
9.3
9.0
10
10
10
10.5
10.7
11.0
IMON Clamp Voltage
VMAXMON
Relative to FBRTN, ILIMP = −30 mA
1.0
1.05
V
PULSE WIDTH MODULATOR − Clock Oscillator
RT Voltage
VRT
VARFREQ = High, RT = 125 kW,
VVID = 1.5000 V
VARFREQ = Low, See also VRT(VVID) formula
1.22
0.98
1.25
1.0
1.27
1.02
V
PWM Clock Frequency
Range (Note 2)
fCLK
Operating Range
0.3
3.0
MHz
PWM Clock Frequency
fCLK
TA = 25°C, VVID = 1.2000 V
RT = 73 kW
RT = 125 kW
RT = 180 kW
1200
680
400
1470
920
640
1720
1120
840
kHz
RAMP GENERATOR
RAMP Voltage
VRAMP
EN = high, IRAMP = 30 mA
EN = low
0.9
1.0
VIN
1.1
V
RAMP Current Range
(Note 2)
IRAMP
EN = high
EN = low, RAMP = 19 V
1.0
−0.5
100
+0.5
mA
PWM COMPARATOR
PWM Comparator Offset
(Note 2)
VOSRPM
VRAMP − VCOMP
−3.0
3.0
mV
RPM COMPARATOR
RPM Current
IRPM
VVID = 1.2 V, RT = 125 kW,
VARFREQ = High, See also IRPM(RT) formula
−8.8
mA
RPM Comparator Offset
(Note 2)
VOSRPM
VCOMP − (1 +VRPM)
−3.0
3.0
mV
EPWM CLOCK SYNC
Trigger Threshold (Note 2)
Relative to COMP sampled TCLK earlier
2−phase configuration
1−phase configuration
400
450
mV
SWITCH AMPLIFIER
SW Common Mode Range
(Note 2)
VSW(X)CM
Operating Range for current sensing
−600
+200
mV
SW Resistance
RSW_PGND(X)
Measured from SW to PGND
3.0
kW
ZERO CURRENT SWITCHING COMPARATOR
SW ZCS Threshold
VDCM(SW1)
DCM mode, DPRSLP = 3.3 V
−6.0
mV
Masked Off Time
tOFFMSKD
Measured from DRVH neg edge to DRVH
pos edge at max frequency of operation
700
ns
SYSTEM I/O BUFFERS VID[6:0], PSI INPUTS
Input Voltage
Refers to driving signal level
Logic low, Isink w 1 mA
Logic high, Isource v −5 mA
0.7
0.3
V
Input Current
V = 0.2 V
VID[6:0], DPRSLP (active pulldown to GND)
PSI (active pullup to VCC)
−1.0
+1.0
mA
VID Delay Time (Note 2)
Any VID edge to FB change 10%
200
ns
1. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC).
2. Guaranteed by design or bench characterization, not production tested.
3. Timing is referenced to the 90% and 10% points, unless otherwise noted.


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn