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ADM1168ASTZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
ADM1168 Data Sheet
Rev. B | Page 6 of 27
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
Voltage on VH Pin 16 V
Voltage on VPx Pins 7 V
Voltage on VXx Pins −0.3 V to +6.5 V
Voltage on A0, A1 Pins −0.3 V to +7 V
Voltage on REFOUT Pin 5 V
Voltage on VDDCAP, VCCP Pins 6.5 V
Voltage on PDOx Pins 16 V
Voltage on SDA, SCL Pins 7 V
Voltage on GND, AGND, PDOGND, REFGND Pins −0.3 V to +0.3 V
Input Current at Any Pin ±5 mA
Package Input Current ±20 mA
Maximum Junction Temperature (T
J
max) 150°C
Storage Temperature Range −65°C to +150°C
Lead Temperature
Soldering Vapor Phase, 60 sec 215°C
ESD Rating, All Pins 2000 V
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
THERMAL RESISTANCE
θ
JA
is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 3. Thermal Resistance
Package Type θ
JA
Unit
32-Lead LQFP 54 °C/W
ESD CAUTION
Data Sheet ADM1168
Rev. B | Page 7 of 27
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NC = NO CONNECT.
DO NOT CONNECT TO THIS PIN.
124
25
32
8
9
17
16
VX1
VX2
VX3
VX4
VP1
VP2
VP3
VH
PDO1
PDO2
PDO3
PDO4
PDO5
PDO6
PDO7
PDO8
GND
VDDCAP
SDA
SCL
A1
A0
VCCP
PDOGN
D
AGND
REFGND
NC
REFOUT
NC
NC
NC
NC
PIN 1
INDICATOR
ADM1168
TOP VIEW
(Not to Scale)
09474-003
Figure 3. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 to 4 VX1 to VX4
High Impedance Inputs to Supply Fault Detectors. Fault thresholds can be set from 0.573 V to 1.375 V.
Alternatively, these pins can be used as general-purpose digital inputs.
5 to 7 VP1 to VP3
Low Voltage Inputs to Supply Fault Detectors. Three input ranges can be set by altering the input attenuation
on a potential divider connected to these pins, the output of which connects to a supply fault detector.
These pins allow thresholds from 2.5 V to 6 V, from 1.25 V to 3 V, and from 0.573 V to 1.375 V.
8 VH
High Voltage Input to Supply Fault Detectors. Three input ranges can be set by altering the input attenuation
on a potential divider connected to this pin, the output of which connects to a supply fault detector.
This pin allows thresholds from 6 V to 14.4 V and from 2.5 V to 6 V.
9 AGND
1
Ground Return for Input Attenuators.
10 REFGND
1
Ground Return for On-Chip Reference Circuits.
11, 13 to 16 NC No Connect. Do not connect to this pin.
12 REFOUT
Reference Output, 2.048 V. Note that a capacitor must always be connected between this pin and REFGND.
A 10 μF capacitor is recommended for this purpose.
17 to 24 PDO8 to PDO1 Programmable Output Drivers.
25 PDOGND
1
Ground Return for Output Drivers.
26 VCCP
Central Charge-Pump Voltage of 5.25 V. A reservoir capacitor must be connected between this pin and
GND. A 10 μF capacitor is recommended for this purpose.
27 A0 Logic Input. This pin sets the seventh bit of the SMBus interface address.
28 A1 Logic Input. This pin sets the sixth bit of the SMBus interface address.
29 SCL SMBus Clock Pin. Bidirectional open drain requires external resistive pull-up.
30 SDA SMBus Data Pin. Bidirectional open drain requires external resistive pull-up.
31 VDDCAP
Device Supply Voltage. Linearly regulated from the highest of the VPx and VH pins to a typical of 4.75 V.
A capacitor must be connected between this pin and GND. A 10 μF capacitor is recommended for
this purpose.
32 GND
1
Supply Ground.
1
In a typical application, all ground pins are connected together.
ADM1168 Data Sheet
Rev. B | Page 8 of 27
TYPICAL PERFORMANCE CHARACTERISTICS
6
0
1
2
3
4
5
0654321
V
VP1
(V)
V
VDDCAP
(V)
09474-050
Figure 4. V
VDDCAP
vs. V
VP1
6
0
1
2
3
4
5
0161412108642
V
VH
(V)
V
VDDCAP
(V)
09474-051
Figure 5. V
VDDCAP
vs. V
VH
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0123456
V
VP1
(V)
I
VP1
(mA)
09474-052
Figure 6. I
VP1
vs. V
VP1
(VP1 as Supply)
180
160
140
120
100
80
60
40
20
0
0123456
V
VP1
(V)
I
VP1
(µA)
09474-053
Figure 7. I
VP1
vs. V
VP1
(VP1 Not as Supply)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0161412108642
V
VH
(V)
I
VH
(mA)
09474-054
Figure 8. I
VH
vs. V
VH
(VH as Supply)
350
300
250
200
150
100
50
0
0654321
V
VH
(V)
I
VH
(µA)
09474-055
Figure 9. I
VH
vs. V
VH
(VH Not as Supply)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

ADM1168ASTZ

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Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Super Sequencer & Monitor
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