MAX8982A Datasheet, PDF (17/73 Pages) Maxim Integrated Products – Power-Management ICs for ICERA E400 Platform 16 Programmable Voltage

Power-Management ICs for
ICERA E400 Platform
OUT9 (LDO9) ELECTRICAL CHARACTERISTICS (continued)
(MAX8982_: VIN3 = VBUCK2 = 1.8V, CIN3 = 2.2FF, CREFBP = 0.1FF, COUT9 = 2.2FF, TA = -40NC to +85NC, unless otherwise noted.
Typical values are at TA = +25NC.) (Note 3)
PARAMETER
Startup Transient Overshoot
(Note 4)
Shutdown Output Impedance
(Active Discharge Resistance)
I_LOAD = 50mA
CONDITION
I²C programmable, default off
MIN TYP MAX UNITS
50
mV
100
I
RESET ELECTRICAL CHARACTERISTICS
(MAX8982A/MAX8982P: VIN1A = VIN1B = +5V, MAX8982X: VIN1A = VIN1B = +3.3V, VBUCK2 = 1.8V, CBUCK2 = 2.2FF, CREFBP =
0.1FF, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.) (Note 3)
PARAMETER
CONDITION
MIN TYP MAX UNITS
Output High Voltage
Internal logic supply I_SOURCE = 0FA
V_BUCK2
- 0.3V
V
Output Low Voltage
RESET Enabled (Note 4)
RESET Disabled (Note 4)
Pullup Resistance to BUCK2
Internal logic supply I_SINK = 500FA
From BUCK2 enable (Figure 4)
With respect to IRQ = low
0.3
V
625
Fs
26
78
Fs
8
14
22
kI
IRQ ELECTRICAL CHARACTERISTICS
(MAX8982A/MAX8982P: VIN1A = ­VIN1B = +5.0V, MAX8982X: VIN1A = ­VIN1B = +3.3V, VBUCK2 = 1.8V, CBUCK2 = 2.2FF, CREFBP = 0.1FF,
TA = -40NC to +85NC. Typical values are at TA = +25NC, unless otherwise specified.) (Note 3)
PARAMETER
CONDITION
MIN TYP MAX UNITS
Output High Voltage
Internal logic supply I_SOURCE = 0FA
V_BUCK2
- 0.3V
V
Output Low Voltage
Pullup Resistance to BUCK2
Internal logic supply I_SINK = 500FA
0.3
V
100 200 400
kI
CURRENT REGULATOR ELECTRICAL CHARACTERISTICS
(MAX8982A/MAX8982P: VIN1A = VIN1B = +5V and VDD_ = 3.2V, MAX8982X: VIN1A = VIN1B = +3.3V and VDD_ = 3.3V, CREFBP = 0.1FF,
TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.) (Note 3)
PARAMETER
CONDITION
MIN TYP MAX UNITS
DR_ Sink Current Range
3
24
mA
DR_[2:0] = 000
3
DR_[2:0] = 001
6
DR_[2:0] = 010
9
DR_[2:0] = 011
DR_ Current Sink Programmable
DR_[2:0] = 100
12
mA
15
DR_[2:0] = 101
18
DR_[2:0] = 110
21
DR_[2:0] = 111 (default)
24
DR_ Sink Current Accuracy
(Note 4)
V_{DR_} Voltage Drop
T_A = +25NC
T_A = -40NC to +85NC
I_{DR_} = 24mA
-10
+10
%
-15
+15
60
120
mV
17