ADP3421JRU Analog Devices, ADP3421JRU Datasheet - Page 2

• Manufacturer Part Number: ADP3421JRU
• Description: Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs
• Manufacturer: Analog Devices

ADP3421–SPECIFICATIONS
Parameter
SUPPLY-UVLO-POWER GOOD
CORE CONVERTER SOFT-START TIMER
VID DAC
CORE COMPARATOR
Supply Current
VCC UVLO Threshold
VCC UVLO Hysteresis
Battery UVLO Threshold
Battery UVLO Hysteresis
Shutdown Input Threshold
Core Power Good Threshold
PWRGD Output Voltage
Timing Charge Current
Discharge Current
Enable Threshold
Termination Threshold
VID Input Threshold
VID Input Pull-Up Current
Nominal Output Voltage
Output Voltage Accuracy
Output Voltage Settling Time
Input Offset Voltage
Input Bias Current
Hysteresis Current
Hysteresis Setting Reference Voltage V
Output Voltage
Propagation Delay Time
Rise and Fall Time
6
6
Symbol
I
I
V
I
V
V
V
I
V
V
V
V
V
V
I
I
V
V
V
I
V
∆V
t
V
I
I
V
V
t
t
t
DACS
COREPD
CORER
COREF
CC(ON)
CC(UVLO)
CCH
UVLO
SSC(UP)
SSC(DN)
VID0..4
REG
RAMP
CCHYS
UVLOTH
VID0..4
DAC
VHYS
OUTH
OUTL
CCH
CCL
SDTH
COREH(UP)
COREH(DN)
COREL(UP)
COREL(DN)
PWRGD
SSCEN
SSCTH
COREOS
DAC
5
8
/V
8
4
,
7
3
DAC
1
1
2
2
1
Conditions
V
V
V
V
3.0 V < VCC < 5.0 V
0.925 V < V
V
V
V
V
V
See VID Code Table I
V
V
V
V
V
V
VCC = 3.0 V
VCC = 3.6 V
T
0°C ≤ T
(0 C
k , C
UVLO
SD
UVLO
UVLO
CORE
CORE
UVLO
SSC
SSC
REG
REG
CORE
CS–
REG
REG
A
R
R
R
R
R
R
= 25°C
VHYS
VHYS
VHYS
VHYS
VHYS
VHYS
= 0 V, 3.0 V ≤ VCC ≤ 3.6 V
= 1.30 V, V
= 0 V
= 1.7 V, V
= 1.3 V
= V
= 1.28 V
= 1.32 V
OUT
= 0.2 V
= 1.275 V
= 1.175 V
= V
= 0.8 V
= 0.2 V
= V
T
A
A
= 10 pF, C
Open
= 170 kΩ
= 17 kΩ
Open
= 170 kΩ
= 17 kΩ
RAMP
≤ 100°C
DAC
RAMP
100 C, VCC = 3.3 V, V
DAC
DAC
= 1.3 V
UVLO
= 1.3 V
< 2.000 V
CS+
SSC
= 1.28 V
= 1.8 nF, C
= 1.1 V
SSL
SD
= 1.3 nF, C
= VCC, V
Min
2.7
20
1.175
–0.3
0.6
0.8
1.10 × V
1.08 × V
0.90 × V
0.88 × V
0.95 × VCC
0
0
–0.6
0.3
1.53
0.8
10
0.925
–0.85
–3
–2
–2
–7
–82
–2
7
82
1.53
2.5
0
ULVO
DAC
DAC
DAC
DAC
LTB
= 2.0 V, V
= 1.5 nF, unless otherwise noted.)
Typ
7
1.225
1.0
–1.0
1.0
150
1.70
–10
–97
10
97
1.70
7
CORE
= V
Max
15
350
10
2.9
1.275
+0.3
1.4
0.7 × VCC
1.12 × V
1.10 × V
0.92 × V
0.90 × V
VCC
0.8
0.4
–1.4
400
1.87
0.7 × VCC
40
2.000
0.85
35
+3
+2
+2
–13
–113
+2
13
113
1.87
3.0
0.4
20
30
10
DAC
, R
OUT
DAC
DAC
DAC
DAC
= 100
Unit
mA
µA
µA
V
V
mV
V
µA
µA
V
V
V
V
V
V
V
V
µA
mA
mV
V
V
µA
V
%
µs
mV
µA
µA
µA
µA
µA
µA
µA
V
V
V
ns
ns
ns