ADP3168JRUZ-REEL AD [Analog Devices], ADP3168JRUZ-REEL Datasheet - Page 4

• Manufacturer Part Number: ADP3168JRUZ-REEL
• Description: 6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
• Manufacturer: AD [Analog Devices]

ADP3168
Parameter
CURRENT-LIMIT COMPARATOR
ENABLE INPUT
POWER-GOOD COMPARATOR
PWM OUTPUTS
SUPPLY
ILIMIT Output Voltage
Output Current, Normal Mode
Current-Limit Threshold Voltage
Current-Limit Setting Ratio
DELAY Normal Mode Voltage
DELAY Overcurrent Threshold
Latch-Off Delay Time
SOFT START
Output Current, Soft-Start Mode
Soft-Start Delay Time
Input Low Voltage
Input High Voltage
Input Current, Input Voltage Low
Input Current, Input Voltage High
Undervoltage Threshold
Overvoltage Threshold
Output Low Voltage
Power-Good Delay Time
Crowbar Trip Point
Crowbar Reset Point
Crowbar Delay Time
Output Voltage Low
Output Voltage High
DC Supply Current
UVLO Threshold Voltage
UVLO Hysteresis
Normal Mode
Shutdown Mode
VID Code Changing
VID Code Static
VID Code Changing
VID Code Static
Symbol
V
V
I
V
V
V
t
I
t
V
V
I
I
V
V
V
V
t
V
V
V
ILIMIT(NM)
DELAY(SS)
IL(EN)
IH(EN)
DELAY
DELAY(SS)
CROWBAR
ILIMIT(NM)
ILIMIT(SD)
CL
DELAY(NM)
DELAY(OC)
IL(EN)
IH(EN)
PWRGD(UV)
PWRGD(OV)
OL(PWRGD)
CROWBAR
OL(PWM)
OH(PWM)
UVLO
Conditions
EN > 1.7 V, R
EN > 0.8 V, I
EN > 1.7 V, R
V
V
R
During startup, DELAY < 2.8 V
R
VID code = 011111
EN = 0 V
EN = 1.25 V
Relative to nominal DAC output
Relative to nominal DAC output
I
Relative to nominal DAC output
Relative to FBRTN
Overvoltage to PWM going low
I
I
VCC rising
PWRGD(SINK)
PWM(SINK)
PWM(SOURCE)
CSREF
CL
DELAY
DELAY
Rev. B | Page 4 of 24
/I
ILIMIT
− V
= 250 kΩ, C
= 250 kΩ, C
= 400 µA
CSCOMP
= 4 mA
= 400 µA
ILIMIT
ILIMIT
ILIMIT
, R
= −100 µA
= 250 kΩ
= 250 kΩ
ILIMIT
DELAY
DELAY
= 250 kΩ
= 4.7 nF
= 4.7 nF
Min
2.9
105
2.9
1.7
15
0.8
−1
−200
90
100
90
450
100
4.0
6.5
0.7
Typ
3
12
125
10.4
3
1.8
600
20
350
10
−250
150
225
250
200
150
550
250
400
160
5.0
5
6.9
0.9
Max
3.1
0.4
+1
25
−325
400
650
500
3.1
400
145
1.9
25
200
200
8
7.3
1.1
Unit
mV
mV/µA
µs
µs
V
V
µA
mV
ns
mV
ns
mV
V
mV
µA
V
V
µA
µA
mV
mV
µs
mV
µs
V
mA
V
V