MAX1586A_08 Datasheet, PDF (6/30 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
(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
PV1, PV2, PV3, SLPIN, IN Supply
Voltage Range
PV1, PV2, PV3, IN, and SLPIN must connect together
externally
2.6
5.5
V
IN45, IN6 Supply Voltage Range
IN Undervoltage-Lockout (UVLO)
Threshold
V_IN rising
V_IN falling
SYNCHRONOUS-BUCK PWM REG1
REG1 Voltage Accuracy
FB1 = GND, 3.6V ≤ V_PV1 ≤ 5.5V, load = 0 to 1300mA
FB1 = IN, 3.6V ≤ V_PV1 ≤ 5.5V, load = 0 to 1300mA
FB1 Voltage Accuracy
FB1 used with external resistors, 3.6V ≤ V_PV1 ≤ 5.5V,
load = 0 to 1300mA
2.4
2.25
2.200
3.25
2.955
1.231
5.5
V
2.55
V
2.525
3.35
V
3.045
1.269 V
FB1 Input Current
FB1 used with external resistors
Dropout Voltage
Load = 800mA (Note 1)
Load = 1300mA (Note 1)
p-Channel On-Resistance
I_LX1 = -180mA
I_LX1 = -180mA, V_PV1 = 2.6V
n-Channel On-Resistance
I_LX1 = 180mA
I_LX1 = 180mA, V_PV1 = 2.6V
p-Channel Current-Limit Threshold
OUT1 Maximum Output Current
2.6V ≤ V_PV1 ≤ 5.5V (Note 3)
LX1 Leakage Current
V_PV1 = 5.5V, LX1 = GND or PV1, V_ON1 = 0V
SYNCHRONOUS-BUCK PWM REG2
FB2 = GND, 3.6V ≤ V_PV2 ≤ 5.5V, load = 0 to 900mA
REG2 Voltage Accuracy
MAX1586A, MAX1587A, FB2 = IN, 3.6V ≤ V_PV2 ≤ 5.5V,
load = 0 to 900mA
-1.55
1.30
-10
2.463
1.773
100 nA
280
mV
450
0.3
Ω
0.35
0.225
Ω
0.25
-2.10 A
A
+10 µA
2.537
1.827
V
MAX1586B, FB2 = IN, 3.6V ≤ V_PV2 ≤ 5.5V,
load = 0 to 900mA
3.25
3.35
FB2 Voltage Accuracy
FB2 used with external resistors, 3.6V ≤ V_PV2 ≤ 5.5V,
load = 0 to 900mA
1.231
1.269 V
FB2 Input Current
Dropout Voltage
p-Channel On-Resistance
n-Channel On-Resistance
p-Channel Current-Limit Threshold
OUT2 Maximum Output Current
LX2 Leakage Current
FB2 used with external resistors, V_FB2 = 1.25V
Load = 900mA (Note 1)
I_LX2 = -180mA
I_LX2 = -180mA, V_PV2 = 2.6V
I_LX2 = -180mA
I_LX2 = -180mA, V_PV2 = 2.6V
2.6V ≤ V_{PV2_}≤ 5.5V (Note 3)
V_PV2 = 5.5V, LX2 = GND or PV2, V_ON2 = 0V
100 nA
380 mV
0.375
Ω
0.425
0.25
Ω
0.275
-1.1
-1.50 A
0.9
A
-10
+10 µA
6 _______________________________________________________________________________________