Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
17
OUT9 (LDO9) ELECTRICAL CHARACTERISTICS (continued)
(MAX8982A/MAX8982X: V
IN3
= V
BUCK2
= 1.8V, C
IN3
= 2.2FF, C
REFBP
= 0.1FF, C
OUT9
= 2.2FF, T
A
= -40NC to +85NC, unless other-
wise noted. Typical values are at T
A
= +25NC.) (Note 3)
RESET ELECTRICAL CHARACTERISTICS
(MAX8982A: V
IN1A
= V
IN1B
= +5V, MAX8982X: V
IN1A
= V
IN1B
= +3.3V, V
BUCK2
= 1.8V, C
BUCK2
= 2.2FF, C
REFBP
= 0.1FF, T
A
=
-40NC to +85NC, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 3)
IRQ ELECTRICAL CHARACTERISTICS
(MAX8982A: V
IN1A
= V
IN1B
= +5.0V, MAX8982X: V
IN1A
= V
IN1B
= +3.3V, V
BUCK2
= 1.8V, C
BUCK2
= 2.2FF, C
REFBP
= 0.1FF,
T
A
= -40NC to +85NC. Typical values are at T
A
= +25NC, unless otherwise specified.) (Note 3)
CURRENT REGULATOR ELECTRICAL CHARACTERISTICS
(MAX8982A: V
IN1A
= V
IN1B
= +5V and V
DD_
= 3.2V, MAX8982X: V
IN1A
= V
IN1B
= +3.3V and V
DD_
= 3.3V, C
REFBP
= 0.1FF,
T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 3)
PARAMETER CONDITION MIN TYP MAX UNITS
Startup Transient Overshoot
(Note 4)
I
LOAD
= 50mA 50 mV
Shutdown Output Impedance
(Active Discharge Resistance)
I
2
C programmable, default off 100
I
PARAMETER CONDITION MIN TYP MAX UNITS
Output High Voltage Internal logic supply I
SOURCE
= 0FA
V
BUCK2
- 0.3V
V
Output Low Voltage Internal logic supply I
SINK
= 500FA 0.3 V
RESET Enabled (Note 4) From BUCK2 enable (Figure 4) 625 Fs
RESET Disabled (Note 4) With respect to IRQ = low 26 78 Fs
Pullup Resistance to BUCK2 8 14 22 kI
PARAMETER CONDITION MIN TYP MAX UNITS
Output High Voltage Internal logic supply I
SOURCE
= 0FA
V
BUCK2
- 0.3V
V
Output Low Voltage Internal logic supply I
SINK
= 500FA 0.3 V
Pullup Resistance to BUCK2 100 200 400 kI
PARAMETER CONDITION MIN TYP MAX UNITS
DR_ Sink Current Range 3 24 mA
DR_ Current Sink Programmable
DR_[2:0] = 000 3
mA
DR_[2:0] = 001 6
DR_[2:0] = 010 9
DR_[2:0] = 011 12
DR_[2:0] = 100 15
DR_[2:0] = 101 18
DR_[2:0] = 110 21
DR_[2:0] = 111 (default) 24
DR_ Sink Current Accuracy
(Note 4)
T
A
= +25NC -10 +10
%
T
A
= -40NC to +85NC -15 +15
V
DR_
Voltage Drop I
DR_
= 24mA 60 120 mV
(15 páginas)
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