MAX1586A_08 Datasheet, PDF (7/30 Pages) Maxim Integrated Products – High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones

High-Efficiency, Low-I_Q PMICs with
Dynamic Core for PDAs and Smart Phones
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = 3.6V, V_BKBT = 3.0V, V_LBI = 1.1V, V_DBI = 1.35V, circuit of Figure 5, T_A = -40°C to +85°C, unless otherwise noted.) (Note 5)
PARAMETER
CONDITIONS
MIN
MAX UNITS
SYNCHRONOUS-BUCK PWM REG3
REG3 Output Voltage Accuracy
MAX1586A, MAX1586B, MAX1587A,
REG3 from 0.7V to _{load = 0 to 500mA}
-1.5
1.475V, 2.6V ≤
V_PV3 ≤ 5.5V
MAX1586C, MAX1587C,
load = 0 to 900mA
-1.5
+1.5
%
+1.5
p-Channel On-Resistance
n-Channel On-Resistance
p-Channel Current-Limit Threshold
I_LX3 = -180mA
I_LX2 = -180mA, V_PV3 = 2.6V
I_LX3 = 180mA
I_LX3 = 180mA, V_PV3 = 2.6V
MAX1586A, MAX1586B, MAX1587A
MAX1586C, MAX1587C
-0.60
-1.125
0.375
Ω
0.425
0.25
Ω
0.275
-0.85
A
-1.700
OUT3 Maximum Output Current
2.6V ≤ V_{PV3_}≤ 5.5V ^{MAX1586A, MAX1586B, MAX1587A 0.5}
A
(Note 3)
MAX1586C, MAX1587C
0.9
LX3 Leakage Current
V_PV3 = 5.5V, LX3 = GND or PV2, V_ON3 = 0V
LDOs V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT
-10
+10 µA
V4, V5, V6, V1 SLEEP, V2 SLEEP
Output Current
35
mA
V7 Output Current
30
mA
REG4 Output Voltage
Load = 0.1mA to 35mA
1.254
1.346 V
REG5 Output Voltage
Load = 0.1mA to 35mA
1.061
1.139 V
IN45, IN6 Input Voltage Range
2.4
5.5
V
REG6 Output Voltage (POR Default
to 0V, Set by Serial Input)
MAX1586
1.8V setting, load = 0.1mA to 35mA
2.5V setting, load = 0.1mA to 35mA
3.0V setting, load = 0.1mA to 35mA
1.737
2.412
2.895
1.863
2.588 V
3.105
V1 and V2 SLEEP Output Voltage
Accuracy
Set to same output voltage as REG1 and REG2
-3.5
+3.5 %
V1 and V2 SLEEP Dropout Voltage Load = 20mA
150 mV
V6 Dropout Voltage
MAX1586 3V mode, load = 30mA; 2.5V mode, load = 30mA
200 mV
V7 Switch Voltage Drop
V4, V5, V6 Output Current Limit
Load = 20mA, V_BKBT = V_V1 = 3.0V
200 mV
40
mA
BKBT Leakage
1
µA
OSCILLATOR
PWM Switching Frequency
0.93
1.07 MHz
SUPERVISORY/MANAGEMENT FUNCTIONS
POK Trip Threshold (Note 4)
Rising
Falling
92
97
%
88.5
92.5
LBI Threshold (Falling)
MAX1586,
hysteresis is 5% (typ)
LBI = IN (for preset)
With resistors at LBI
3.51
0.98
3.69
V
1.02
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