ADP3208 ON Semiconductor, ADP3208 Datasheet - Page 4

• Manufacturer Part Number: ADP3208
• Description: 7-bit, Programmable, Dual-phase, Mobile, Cpu, Synchronous Buck Controller
• Manufacturer: ON Semiconductor

ADP3208
Parameter
CURRENT BALANCE AMPLIFIER
CURRENT LIMIT COMPARATOR
SOFT START/LATCH-OFF TIMER
SOFT TRANSIENT CONTROL
DIGITAL CONTROL INPUTS
Gain Bandwidth Product
Slew Rate
Common-Mode Voltage Range
Input Resistance
Input Current
Input Current Matching
Zero Current Switching Threshold
DCM Minimum Off Time Masking
Output Current
Current Limit Threshold Voltage
Current Limit Setting Ratio
Output Current
Termination Threshold Voltage
Normal Mode Operating Voltage
Current Limit Latch-Off Voltage
ST Sourcing Current
ST Sinking Current
ST Offset Voltage
Minimum Capacitance
Extended PWRGD Masking
Input Low Voltage
Input High Voltage
Input Current
Voltage
Comparator Voltage Threshold
2
2
2
2
Symbol
GBW
V
R
I
ΔI
V
t
I
V
I
V
V
I
I
V
C
V
V
V
I
SW(x)
CLIM
SS
SOURCE(ST)
SINK(ST)
IN
OFFMASK
SW(x)
SW(x)
ZCS(SW1)
CLTH
TH(SS)
LOFF(SS)
OS(ST)
TH(ST)
IL
IH
ST
SW(x)
CSA
Rev. 1 | Page 4 of 38 | www.onsemi.com
Conditions
Source current
C
SW(x) = 0 V
SW(x) = 0 V
DPRSLP = 3.3 V, DCM
DPRSLP = 3.3 V, SW1 falling
R
V
SP = low (2-phase), PSI = 1.05 V
V
(2-phase), PSI = 0 V or DPRSLP = low
V
SP = high (1-phase)
V
V
V
V
V
Startup, SS rising
CLKEN = low
Current limit or PWRGD failure, SS falling
Fast exit from deeper sleep mode,
DPRSLP = 0 V, ST = V
Slow exit from deeper sleep mode,
DPRSLP = 3.3 V, DPRSTP = 0,
ST = V
Slow entry to deeper sleep,
DPRSLP = 3.3 V, ST = V
|ST − V
masking
|ST − V
PSI , DPRSTP
VARFREQ, SP
DPRSLP, EN
PSI , DPRSTP
VARFREQ, SP
DPRSLP, EN
DPRSTP , VARFREQ, DPRSLP, SP
EN = low or EN = high
EN = V
CLIM
CSCOMP
CSREF
CSREF
CSREF
CL
CL
SS
SS
SS
/V
/V
< 1.7 V, startup
> 1.7 V, normal mode
> 1.7 V, current limit
= 125 kΩ
ILIM
ILIM
− V
− V
− V
DAC
TH(EN)
VID
VID
= 10 pF
, PSI = 1.05 V
, PSI = low, SP = low
CSCOMP
CSCOMP
CSCOMP
| at the end of PWRGD
|, DPRSLP = 3.3 V, ST falling
− 0.3 V
, high-to-low or low-to-high
, R
, R
, R
CLIM
CLIM
CLIM
= 125 kΩ,
= 125 kΩ, SP = low
= 125 kΩ,
DAC
DAC
− 0.3 V
+ 0.3 V
Min
−600
30
−5
111
54
111
−10
−2.5
1.6
1.55
−25
100
0.7
4
2.3
Typ
−15
10
10
50
−3.5
−6
450
10
125
62.5
125
0.1
0.05
−8
−48
−2
1.7
2.9
1.65
−9
−2.5
2.5
170
20
20
60
Max
+200
60
+5
139
74
139
−6
−1.5
1.8
1.8
+25
0.3
0.7
1.0
Unit
mA
MHz
V/μs
mV
kΩ
μA
%
mV
ns
μA
mV
mV
mV
μA
μA
μA
V
V
V
μA
μA
μA
mV
pF
mV
V
V
V
V
V
V
nA
nA
μA