ADP3163 Analog Devices, ADP3163 Datasheet - Page 2

• Manufacturer Part Number: ADP3163
• Description: 5-Bit Programmable 2-/3-Phase Synchronous Buck Controller
• Manufacturer: Analog Devices

ADP3163–SPECIFICATIONS
Parameter
FEEDBACK INPUT
REFERENCE
VID INPUTS
OSCILLATOR
ERROR AMPLIFIER
CURRENT SENSE
CURRENT SHARING
PHASE CONTROL
POWER GOOD COMPARATOR
Accuracy
Line Regulation
Input Bias Current
Crowbar Trip Point
Crowbar Reset Point
Crowbar Response Time
Output Voltage
Output Current
Input Low Voltage
Input High Voltage
Input Current
Pull-Up Resistance
Internal Pull-Up Voltage
Maximum Frequency
Frequency Variation
CT Charge Current
Output Resistance
Transconductance
Output Current
Maximum Output Voltage
Output Disable Threshold
–3 dB Bandwidth
Threshold Voltage
Input Bias Current
Response Time
Output Source Current
Output Sink Current
Maximum Output Voltage
Input Low Voltage
Input High Voltage
Undervoltage Threshold
Overvoltage Threshold
Output Voltage Low
Response Time
1.1 V Output
1.6 V Output
1.85 V Output
to PWM Going Low
2
t
V
R
V
V
V
V
Symbol
V
I
V
V
I
V
I
R
f
f
I
g
I
V
V
BW
I
t
V
V
V
CROWBAR
CT(MAX)
CT
CS
FB
REF
VID
CT
O(ERR)
CS+
m(ERR)
V
FB
CROWBAR
REF
IL(VID)
IH(VID)
VID
O(ERR)
COMP(MAX)
COMP(OFF)
CS(TH)
SHARE(MAX)
IL(PC)
IH(PC)
PWRGD(UV)
PWRGD(OV)
OL(PWRGD)
FB
ERR
, I
CS–
1
Conditions
VCC = 10 V to 14 V
% of Nominal Output
% of Nominal Output
Overvoltage to PWM Going Low
VID(X) = 0 V
T
T
T
T
T
FB Forced to 0 V
FB Forced to V
COMP = Open
CS+ = VCC,
FB Forced to V
FB
0.8 V
CS+ = CS– = VCC
CS+ – (CS–)
FB Forced to V
Percent of Nominal Output
Percent of Nominal Output
I
(VCC = 12 V, I
PWRGD(SINK)
A
A
A
A
A
= 25 C, CT = 150 pF
= 25 C, CT = 68 pF
= 25 C, CT = 47 pF
= 25 C, V
= 25 C, V
750 mV
SHARE
= 1 mA
REF
FB
FB
OUT
OUT
173 mV
OUT
= 150 A, T
in Regulation
= 0 V
1 V
– 3%
– 3%
– 3%
A
= 0 C to 70 C, unless otherwise noted.)
Min
1.091
1.587
1.835
115
40
2.952
300
2.0
33
2.7
3000
475
850
1100
260
40
2.0
143
80
2
2.0
75
115
Typ
1.1
1.6
1.85
0.01
5
120
50
400
3.00
70
43
3.0
575
1000
1300
300
65
1
2.2
575
3.0
800
500
158
92
0
1
50
300
3.0
80
120
375
250
Max
1.109
1.613
1.865
50
125
60
3.048
0.8
90
3.3
675
1250
1500
340
80
2.45
875
173
108
5
5
400
0.8
85
125
525
Unit
V
V
V
%
nA
%
%
ns
V
V
V
k
V
kHz
kHz
kHz
kHz
M
mmho
V
mV
kHz
mV
mV
mV
ns
mA
V
V
V
%
%
mV
ns
A
A
A
A
A
A
A