ADP3208 ON Semiconductor, ADP3208 Datasheet - Page 3

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

SPECIFICATIONS
VCC = PVCC1 = PVCC2 = BST1 = BST2 = high = 5 V, FBRTN = GND = SW1 = SW2 = PGND1 = PGND2 = low = 0 V, EN = VARFREQ =
high, DPRSLP = 0 V, PSI = 1.05 V, DPRSTP = 0 V, V
(sunk by the device) has a positive sign.
Table 1.
Parameter
VOLTAGE ERROR AMPLIFIER
VID DAC INPUTS
PWM OSCILLATOR
CURRENT SENSE AMPLIFIER
Output Voltage Range
DC Accuracy
Boot Voltage
LLINE Positioning Accuracy
LLINE Input Bias Current
Differential Nonlinearity
Line Regulation
Input Bias Current
FBRTN Current
Output Current
Gain Bandwidth Product
Slew Rate
Input Low Voltage
Input High Voltage
Input Current
VID Transition Delay Time
Frequency Range
Frequency
RT Voltage
VRPM Reference Voltage
RPM Output Current
RPM Comparator Offset
RAMP Input Voltage
RAMP Input Current Range
RAMP Input Current in Shutdown
Offset Voltage
Input Bias Current
Input Common-Mode Range
Output Voltage Range
Output Current
2
2
2
2
2
2
Symbol
V
V
V
ΔV
I
ΔV
I
I
I
GBW
V
V
I
f
V
V
I
V
V
I
V
I
V
I
LLINE
FB
FBRTN
COMP
IN(VID)
RPM
RAMP
CSSUM
CSCOMP
OSC
COMP
FB
BOOT(FB)
IL
IH
RT
VRPM
OS(RPM)
RAMP
OS(CSA)
CSCOMP
FB
FB
VID
Rev. 1 | Page 3 of 38 | www.onsemi.com
Conditions
Relative to nominal V
LLINE = CSREF
V
V
Startup
LLINE − CSREF = −80 mV
LLINE − CSREF = −200 mV
VCC = 4.75 V to 5.25 V
FB forced to V
FB forced to V
COMP = FB
C
VID(x)
VID(x)
Sink current
VID code change to FB change
PSI = DPRSTP = 1.05 V, DPRSLP = 0 V
T
VARFREQ = high, V
T
VARFREQ = high, V
RT = 250 kΩ to GND, V
VARFREQ = low
I
I
V
|V
EN = high
EN = low or UVLO, RAMP = 19 V
CSSUM − CSREF
CSSUM and CSREF
Sink current
VRPM
VRPM
= 1.2000 V, T
A
A
VID
VID
COMP
VID
COMP
= 25°C, RT = 250 kΩ, PWM mode,
= 25°C, RT = 125 kΩ, PWM mode,
= 0.5000 V to 1.5000 V
= 0.3000 V to 0.4875 V
= 1.5000 V, RT = 250 kΩ
= 0 μA
= 120 μA
= 10 pF
− V
RPM
|, PSI = 0 V
VID
VID
A
= 0°C to 100°C, unless otherwise noted.
− 3%
+ 3%
VID
VID
VID
= 1.5000 V
= 1.5000 V
VID
,
= 1.5000 V,
1.192
78
180
400
0
Min
0.8
−8
−10
−80
−1
−1
0.7
0.3
1.08
0.95
0.95
−20
0.9
1
−2.0
−65
0.05
Typ
1.200
80
200
0.005
60
−4
900
20
25
0.52
0.52
1
400
750
1.25
1
1
−5
−1
1.0
1
1
1
Current entering a pin
Max
3.6
+8
+10
1.208
82
220
+80
+1
+1
400
0.3
3
1.32
1.05
1.16
+15
1.1
50
+2.0
+65
3.5
2.7
ADP3208
Unit
V
mV
mV
V
mV
mV
nA
LSB
%
μA
μA
mA
μA
MHz
V/μs
V
V
μA
ns
MHz
kHz
kHz
V
V
V
μA
mV
V
μA
μA
mV
nA
V
V
mA