ADP3160 Analog Devices, ADP3160 Datasheet - Page 2

• Manufacturer Part Number: ADP3160
• Description: 5-Bit Programmable 2-Phase Synchronous Buck Controller
• Manufacturer: Analog Devices

ADP3160/ADP3167–SPECIFICATIONS
Parameter
FEEDBACK INPUT
REFERENCE
VID INPUTS
OSCILLATOR
ERROR AMPLIFIER
CURRENT SENSE
POWER GOOD COMPARATOR
Accuracy
Line Regulation
Input Bias Current
Crowbar Trip Threshold
Crowbar Reset Threshold
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
Current Limit Threshold Voltage
Current Limit Foldback Voltage
DV
Input Bias Current
Response Time
Undervoltage Threshold
Overvoltage Threshold
Output Voltage Low
Response Time
1.1 V Output
1.475 V Output
1.85 V Output
COMP
/DV
CS
2
Symbol
V
I
V
t
V
I
V
V
I
R
f
I
R
g
I
V
V
BW
V
V
n
I
t
V
V
V
CT(MAX)
FB
CROWBAR
REF
VID
CT
O(ERR)
CS+
CS
m(ERR)
I
FB
V
CROWBAR
REF
IL(VID)
IH(VID)
f
O(ERR)
COMP(MAX)
COMP(OFF)
CS(CL)
CS(FOLD)
PWRGD(UV)
PWRGD(OV)
OL(PWRGD)
VID
CT
FB
ERR
, I
CS–
Conditions
See Figure 1
See Figure 1
See Figure 1
VCC = 10 V to 14 V
Percent of Nominal Output
Percent of Nominal Output
Overvoltage to PWM Going Low
VID(X) = 0 V
T
T
T
V
FB Forced to V
ADP3160
ADP3167
COMP = Open
ADP3160, CS+ = VCC
ADP3167, CS+ = VCC
0.8 V £ COMP £ 1 V
ADP3160, FB £ 375 mV
ADP3167, FB £ 750 mV
ADP3160, 1 V £ V
ADP3167, 1 V £ V
CS+ = CS– = VCC
ADP3160, CS+ – (CS–) ≥ 172 mV
ADP3167, CS+ – (CS–) ≥ 89 mV
% Nominal Output
% Nominal Output
I
FB Going High
FB Going Low
PWRGD(SINK)
FB Forced to V
FB Forced to V
to PWM Going Low
to PWM Going Low
A
A
A
FB
= 25∞C, CT = 91 pF
= 25∞C, V
= 25∞C, V
= 0 V
–2–
= 100 mA
FB
FB
OUT
in Regulation
= 0 V
OUT
OUT
1
COMP
COMP
– 3%
– 3%
– 3%
(VCC = 12 V, I
unless otherwise noted.)
£ 3 V
£ 3 V
REF
= 150 A, T
Min
1.091 1.1
1.463 1.475 1.487
1.835 1.85
114
50
2.952 3.0
300
2.2
20
4.5
2000
430
130
26
2.0
560
640
142
69
75
37
76
114
Typ
0.05
5
124
60
300
180
28
5.0
500
150
36
200
2.2
1
3.0
720
800
500
157
79
0
95
47
12.5
25
0.5
50
50
82
124
30
2
200
A
= 0 C to 70 C,
Max
1.109
1.865
50
134
70
3.048
0.6
250
5.5
570
170
46
2.45
800
880
172
89
15
115
58
5
88
134
200
Unit
V
V
V
%
nA
%
%
ns
V
mA
V
V
mA
kW
V
kHz
kHz
mA
mA
kW
mmho
mA
V
mV
mV
kHz
mV
mV
mV
mV
mV
V/V
V/V
mA
ns
ns
%
%
mV
ms
ns
REV. B