Pmics with dynamic core for pdas and smart phones, Electrical characteristics – Rainbow Electronics MAX1587A User Manual
Page 6
MAX1586A/MAX1586B/MAX1587A
High-Efficiency, Low-I
Q
PMICs with
Dynamic Core for PDAs and Smart Phones
6
_______________________________________________________________________________________
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
2.4
5.5
V
V
IN
rising
2.25
2.55
IN Undervoltage-Lockout (UVLO)
Threshold
V
IN
falling
2.200
2.525
V
SYNCHRONOUS-BUCK PWM REG1
FB1 = GND, 3.6V
≤
V
PV1
≤
5.5V, load = 0 to 1300mA
3.25
3.35
REG1 Voltage Accuracy
FB1 = IN, 3.6V
≤
V
PV1
≤
5.5V, load = 0 to 1300mA
2.955
3.045
V
FB1 Voltage Accuracy
FB1 used with external resistors, 3.6V
≤
V
PV1
≤
5.5V,
load = 0 to 1300mA
1.231
1.269
V
FB1 Input Current
FB1 used with external resistors
100
nA
Load = 800mA (Note 1)
280
Dropout Voltage
Load = 1300mA (Note 1)
450
mV
I
LX1
= -180mA
0.3
P-Channel On-Resistance
I
LX1
= -180mA, V
PV1
= 2.6V
0.35
Ω
I
LX1
= 180mA
0.225
N-Channel On-Resistance
I
LX1
= 180mA, V
PV1
= 2.6V
0.25
Ω
P-Channel Current-Limit Threshold
-1.55
-2.10
A
OUT1 Maximum Output Current
2.6V
≤
V
PV1
≤
5.5V (Note 3)
1.30
A
LX1 Leakage Current
V
PV1
= 5.5V, LX1 = GND or PV1, V
ON1
= 0V
-10
+10
µA
SYNCHRONOUS-BUCK PWM REG2
FB2 = GND, 3.6V
≤
V
PV2
≤
5.5V, load = 0 to 900mA
2.463
2.537
MAX1586A, MAX1587A, FB2 = IN, 3.6V
≤
V
PV2
≤
5.5V,
load = 0 to 900mA
1.773
1.827
REG2 Voltage Accuracy
MAX1586B, FB2 = IN, 3.6V
≤
V
PV2
≤
5.5V,
load = 0 to 900mA
3.25
3.35
V
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
FB2 used with external resistors, V
FB2
= 1.25V
100
nA
Dropout Voltage
Load = 900mA (Note 1)
380
mV
I
LX2
= -180mA
0.375
P-Channel On-Resistance
I
LX2
= -180mA, V
PV2
= 2.6V
0.425
Ω
I
LX2
= -180mA
0.25
N-Channel On-Resistance
I
LX2
= -180mA, V
PV2
= 2.6V
0.275
Ω
P-Channel Current-Limit Threshold
-1.1
-1.50
A
OUT2 Maximum Output Current
2.6V
≤
V
PV2_
≤
5.5V (Note 3)
0.9
A
LX2 Leakage Current
V
PV2
= 5.5V, LX2 = GND or PV2, V
ON2
= 0V
-10
+10
µA
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)