Rainbow Electronics MAX8982X - Manual (Page 17)

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 F s
RESET Disabled (Note 4) With respect to IRQ = low 26 78
F
s
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