ADP3164 Analog Devices, ADP3164 Datasheet - Page 2

• Manufacturer Part Number: ADP3164
• Description: 5-Bit Programmable 4-Phase Synchronous Buck Controller
• Manufacturer: Analog Devices

ADP3164–SPECIFICATIONS
Parameter
FEEDBACK INPUT
REFERENCE
VID INPUTS
OSCILLATOR
ERROR AMPLIFIER
CURRENT SENSE
CURRENT SHARING
POWER GOOD COMPARATOR
PWM OUTPUTS
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
Undervoltage Threshold
Overvoltage Threshold
Output Voltage Low
Response Time
Output Voltage Low
Output Voltage High
Duty Cycle Limit Per Phase
1.1 V Output
1.6 V Output
1.85 V Output
2
2
t
V
R
V
V
V
V
Symbol
V
∆V
I
V
V
I
V
I
R
f
f
I
g
I
V
V
BW
I
t
V
V
V
DC
CROWBAR
CT(MAX)
CT
CS
FB
REF
VID
CT
O(ERR)
CS+
m(ERR)
FB
CROWBAR
REF
IL(VID)
IH(VID)
VID
O(ERR)
COMP(MAX)
COMP(OFF)
CS(TH)
SHARE(MAX)
PWRGD(UV)
PWRGD(OV)
OL(PWRGD)
OL(PWM)
OH(PWM)
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 = 0 V
FB Forced to V
COMP = Open
CS+ = VCC,
FB Forced to V
FB ≤ 750 mV
0.8 V ≤ SHARE ≤ 1 V
CS+ = CS– = VCC
CS+ – (CS–) ≥ 173 mV
to PWM Going Low
FB Forced to V
Percent of Nominal Output
Percent of Nominal Output
I
I
I
PWRGD(SINK)
PWM(SINK)
PWM(SOURCE)
(VCC = 12 V, I
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
= 400 µA
= 1 mA
= 400 µA
FB
FB
REF
OUT
OUT
OUT
in Regulation
= 0 V
= 150 A, T
– 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
4000
475
850
1100
260
40
2.0
143
80
2
75
115
4.0
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
100
5.0
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
85
125
525
500
25
Unit
V
V
V
%
nA
%
%
ns
V
µA
V
V
µA
kΩ
V
kHz
kHz
kHz
kHz
µA
µA
MΩ
mmho
µA
V
mV
kHz
mV
mV
mV
µA
ns
mA
µA
V
%
%
mV
ns
mV
V
%