MAX1587CETL Maxim Integrated Products, MAX1587CETL Datasheet - Page 3

• Manufacturer Part Number: MAX1587CETL
• Description: Other Power Management PMICs w/Dynamic Core for PDAs
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
p-Channel On-Resistance
n-Channel On-Resistance
Current-Sense Transresistance
p-Channel Current-Limit Threshold
PWM Skip-Mode Transition Load
Current
OUT1 Maximum Output Current
LX1 Leakage Current
SYNCHRONOUS-BUCK PWM REG2
REG2 Voltage Accuracy
FB2 Voltage Accuracy
FB2 Input Current
Error-Amplifier Transconductance
Dropout Voltage
p-Channel On-Resistance
n-Channel On-Resistance
Current-Sense Transresistance
p-Channel Current-Limit Threshold
PWM Skip-Mode Transition Load
Current
OUT2 Maximum Output Current
LX2 Leakage Current
SYNCHRONOUS-BUCK PWM REG3
REG3 Output Voltage Accuracy
Error-Amplifier Transconductance
IN
= 3.6V, V
A
= +25°C.)
PARAMETER
BKBT
Dynamic Core for PDAs and Smart Phones
= 3.0V, V
_______________________________________________________________________________________
LBI
= 1.1V, V
High-Efficiency, Low-I
I
I
I
I
Decreasing load current (Note 2)
2.6V ≤ V
V
FB2 = GND, 3.6V ≤ V
MAX1586A, MAX1587A, FB2 = IN, 3.6V ≤ V
load = 0 to 900mA
MAX1586B, FB2 = IN, 3.6V ≤ V
load = 0 to 900mA
FB2 used with external resistors, 3.6V ≤ V
load = 0 to 900mA
FB2 used with external resistors, V
Referred to FB
Load = 900mA (Note 1)
I
I
I
I
Decreasing load current (Note 2)
2.6V ≤ V
V
REG3 from 0.7V to
1.475V, 2.6V ≤
V
LX1
LX1
LX1
LX1
LX2
LX2
LX2
LX2
PV1
PV2
PV3
DBI
= -180mA
= -180mA, V
= 180mA
= 180mA, V
= -180mA
= -180mA, V
= 180mA
= 180mA, V
= 5.5V, LX1 = GND or PV1, V
= 5.5V, LX2 = GND or PV2, V
≤ 5.5V
= 1.35V, circuit of Figure 5, T
PV1
PV2
≤ 5.5V (Note 3)
≤ 5.5V (Note 3)
PV1
PV2
PV1
PV2
= 2.6V
= 2.6V
= 2.6V
= 2.6V
PV2
MAX1586A, MAX1586B, MAX1587A,
load = 0 to 500mA
MAX1586C, MAX1587C,
load = 0 to 900mA
CONDITIONS
≤ 5.5V, load = 0 to 900mA
PV2
FB2
ON1
ON2
≤ 5.5V,
A
= 0°C to +85°C, unless otherwise noted. Typical values
= 1.25V
= 0V
= 0V
PV2
PV2
≤ 5.5V,
≤ 5.5V,
Q
2.463
1.773
1.231
-1.55
3.25
MIN
-1.1
-1.5
-1.5
-20
-10
PMICs with
1.3
0.9
-1.275
0.225
-1.80
TYP
0.18
0.21
0.13
0.15
+0.1
1.25
0.26
0.15
0.17
+0.1
243
0.5
2.5
1.8
3.3
0.7
30
87
30
68
0.225
2.537
1.827
1.269
0.375
0.425
0.275
MAX
-2.10
-1.50
0.35
0.25
3.35
0.25
+1.5
+1.5
+20
100
380
+10
0.3
UNITS
V/A
mA
V/A
mA
mV
µA
nA
µS
µA
µS
%
Ω
Ω
Ω
Ω
A
A
V
V
A
A
3