Pmics with dynamic core for pdas and smart phones – Rainbow Electronics MAX1587A User Manual
Page 2
MAX1586A/MAX1586B/MAX1587A
High-Efficiency, Low-I
Q
PMICs with
Dynamic Core for PDAs and Smart Phones
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= 3.6V, V
BKBT
= 3.0V, V
LBI
= 1.1V, V
DBI
= 1.35V, circuit of Figure 5,
T
A
= 0°C to +85°C, unless otherwise noted. Typical values
are at T
A
= +25
°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN, IN45, IN6,
MR, LBO, DBO, RSO, POK, SCL, SDA,
BKBT, V7, SLP, SRAD, PWM3 to GND...............-0.3V to +6V
REF, CC_, ON_, FB_, DBI, LBI, V1, V2, RAMP, BYP,
MR to GND ...........................................-0.3V to (V
IN
+ 0.3V)
PV1, PV2, PV3, SLPIN to IN...................................-0.3V to +0.3V
V4, V5 to GND ..........................................-0.3V to (V
IN45
+ 0.3V)
V6 to GND ..................................................-0.3V to (V
IN6
+ 0.3V)
PV1 to PG1 ............................................................-0.3V to +6.0V
PV2 to PG2 ............................................................-0.3V to +6.0V
PV3 to PG3 ............................................................-0.3V to +6.0V
LX1 Continuous Current....................................-1.30A to +1.30A
LX2 Continuous Current........................................-0.9A to +0.9A
LX3 Continuous Current........................................-0.5A to +0.5A
PG1, PG2, PG3 to GND.........................................-0.3V to +0.3V
V1, V2, V4, V5, V6 Output Short-Circuit Duration.......Continuous
Continuous Power Dissipation (T
A
= +70°C)
6mm x 6mm 40-Pin Thin QFN
(derate 26.3mW/°C above +70°C) ...........................2105mW
7mm x 7mm 48-Pin Thin QFN
(derate 26.3mW/°C above +70°C) ...........................2105mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
CONDITIONS
MIN
TYP
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
2.40
2.55
IN Undervoltage-Lockout (UVLO)
Threshold
V
IN
falling
2.200
2.35
2.525
V
MAX1586
32
Only V7 on, V
IN
below
DBI threshold V
IN
= 3.0V
MAX1587
5
MAX1586
130
REG1 and REG2 on in
switch mode, REG3 off
MAX1587
130
MAX1586
60
REG1 and REG2 on in
sleep mode, REG3 off
MAX1587
60
MAX1586
225
Quiescent Current
No load (I
PV1
+
I
PV2
+ I
PV3
+ I
IN
+
I
SLPIN
+ I
IN45
+
I
IN6
)
All REGs on
MAX1587
200
µA
ON1 = 0
4
BKBT Input Current
ON1 = IN
0.8
µA
REF Output Voltage
0 to 10µA load
1.2375
1.25
1.2625
V
SYNCHRONOUS-BUCK PWM REG1
FB1 = GND, 3.6V
≤
V
PV1
≤
5.5V, load = 0 to 1200mA
3.25
3.3
3.35
REG1 Voltage Accuracy
FB1 = IN, 3.6V
≤
V
PV1
≤
5.5V, load = 0 to 1200mA
2.955
3.0
3.045
V
FB1 Voltage Accuracy
FB1 used with external resistors, 3.6V
≤
V
PV1
≤
5.5V,
load = 0 to 1200mA
1.225
1.25
1.275
V
FB1 Input Current
FB1 used with external resistors
100
nA
Error-Amplifier Transconductance
Referred to FB
87
µS
Load = 800mA
180
280
Dropout Voltage (Note 1)
Load = 1300mA
293
450
mV