ADP3209 ON Semiconductor, ADP3209 Datasheet - Page 3

• Manufacturer Part Number: ADP3209
• Description: 5-bit, Programmable, Single-phase, Synchronous Buck Controller
• Manufacturer: ON Semiconductor

SPECIFICATIONS
VCC = 5 V, FBRTN = GND, VARFREQ = low, V
the device) has a positive sign.
Table 1.
Parameter
VOLTAGE ERROR AMPLIFIER
VID DAC INPUTS
OSCILLATOR
CURRENT SENSE AMPLIFIER
Output Voltage Range
COMP Clamp
DC Accuracy
Load Line Positioning Accuracy
LLINE Input Bias Current
Differential Nonlinearity
VCC 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
Oscillator Frequency
RT Output 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
Gain Bandwidth Product
Slew Rate
Input Common-Mode Range
Output Voltage Range
Output Current
2
2
2
2
2
2
2
2
Symbol
V
V
V
ΔV
I
ΔV
I
I
I
GBW
V
V
I
f
f
V
V
I
V
V
I
V
I
GBW
V
I
LLINE
FB
FBRTN
COMP
IN(VID)
RPM
RAMP
BIAS(CSFB)
CSCOMP
OSC
OSC
COMP
COMP
FB
IL
IH
RT
VRPM
OS(RPM)
RAMP
OS(CSA)
CSCOMP
FB
FB
(ERR)
(CSA)
VID
= 1.25 V, T
Rev. 2 | Page 3 of 32 | www.onsemi.com
Conditions
CSREF < 0.2 V
Relative to nominal V
V
LLINE − CSREF = −80 mV
LLINE − CSREF = −200 mV
VCC = 4.75 V to 5.25 V
FB forced to V
COMP = FB, C
C
VID(x)
VID(x)
Sink current
VID code change to FB change
VARFREQ = high, RT = 250 kΩ
VARFREQ = high, RT = 125 kΩ
VARFREQ = low, V
VARFREQ = high (forced PWM mode)
I
I
V
V
EN = high
EN = low or in UVLO, RAMP = 19 V
CSFB − CSREF
C
CSFB and CSREF
Sink current
Source current
VRPM
VRPM
VID
COMP
VID
OS(RPM)
CSCOMP
range = 0.4000 V to 1.25000 V
= 1.250 V, R
= 0 μA
= 120 μA
= 10 pF
A
= V
= 10 pF
= 0°C to 100°C, unless otherwise noted.
COMP
COMP
VID
− V
T
− 3%
= 250 kΩ
VID
= 0 pF
RPM
= 1.250 V
VID
, LLINE = CSREF,
76
190
400
1.6
−1.2
0
Min
0.8
−8
−80
−1
−1
2.2
0.3
1.09
0.95
0.95
0.9
1
−65
0.05
400
1
Current entering a pin (sunk by
Typ
1.6
80
200
0.05
200
500
20
25
1
550
1
1.125
1.7
1
1
−5
−11
1.0
1
6
10
1000
−15
Max
3.6
+8
83
210
+80
+1
+1
400
0.5
3
1.2
1.8
1.05
1.05
1.1
50
+1.2
+65
3.5
2.7
−8
ADP3209
Unit
V
V
mV
mV
mV
nA
LSB
%
μA
μA
μA
MHz
V/μs
V
V
μA
ns
MHz
kHz
MHz
V
V
V
V
μA
mV
V
μA
μA
mV
nA
MHz
V/μs
V
V
μA
mA