MAX863EEE Maxim Integrated Products, MAX863EEE Datasheet - Page 2

• Manufacturer Part Number: MAX863EEE
• Description: DC/DC Switching Controllers Dual PFM Step-Up DC/DC Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX863EEE

• Number Of Outputs: 2
• Output Voltage: 3.15 V to 3.45 V
• Input Voltage: 1.5 V to 11 V
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C

ABSOLUTE MAXIMUM RATINGS
V
PGND to GND .......................................................-0.3V to +0.3V
SHDN1, SHDN2, SENSE1, LBO to GND ................-0.3V to +12V
EXT1, EXT2 to PGND..................................-0.3V to (V
FB1, FB2, CS1, CS2, SEL,
LBO Continuous Output Current.........................................15mA
EXT1, EXT2 Continuous Output Current .............................50mA
Dual, High-Efficiency, PFM, Step-Up
DC-DC Controller
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.
ELECTRICAL CHARACTERISTICS
(V
2
V
OUT1 Output Voltage
(Note 3)
Quiescent Current
Shutdown Current
Load Regulation
Line Regulation
FB1, FB2, LBI
Threshold Voltage (Note 4)
FB1, FB2, LBI Input Current
SHDN1, SHDN2, SEL, BOOT
Input High Voltage
SHDN1, SHDN2, SEL, BOOT
Input Low Voltage
SHDN1, SHDN2, SEL, BOOT
Input Current
CS1, CS2 Threshold Voltage
CS1, CS2 Input Current
Maximum Switch On-Time
Minimum Switch Off-Time
EXT Rise/Fall Time (Note 5)
EXT On-Resistance
LBO Leakage Current
LBO Low Level
DD
DD
DD
LBI, BOOT to GND.................................-0.3V to (V
_______________________________________________________________________________________
to GND ............................................................-0.3V to +12V
= +5V, I
Input Voltage
PARAMETER
LOAD
= 0mA, T
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
SYMBOL
I
V
DD, SHDN
I
V
V
FB
FB
I
V
t
LBO,L
V
OUT1
I
t
V
LBO
V
OFF
DD
ON
, V
, I
DD
I
CS
IH
IL
I
LBI
LBI
V
(Note 2)
FB1 = V
FB1 = GND
SHDN1 = SHDN2 = V
SHDN1 = V
measured from V
SHDN1 = SHDN2 = GND
V
I
V
I
2.7V < V
V
2.7V < V
V
Logic input = V
C
V
I
LOAD
LOAD
LBO
DD
IN
IN
DD
DD
LBO
LOAD
= 3.3V, V
= 2.7V to 5V, V
,
= OUT1 = BOOT (Note 1)
= 1.5V
= 1.5V
SINK
= 11V, V
DD
DD
= 0mA to 500mA, Figure 2
= 300mA, Figure 2
= 1nF, 10% to 90%
DD
DD
DD
+ 0.3V)
+ 0.3V)
= 1mA, V
DD
< 11V
< 11V
OUT1
, SHDN2 = GND,
LBI
DD
CONDITIONS
DD
> 1.275V
= 5V,
or GND
OUT1
LBI
DD
< 1.225V
Continuous Power Dissipation (T
Operating Temperature Range
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
, measured from V
= 5V,
QSOP (derate 8.30mW/°C above +70°C) ...................667mW
MAX863EEE ....................................................-40°C to +85°C
DD
A
0.7 x V
= +25°C.)
1.225
MIN
4.85
1.5
2.7
3.2
1.6
1.6
85
14
A
DD
= +70°C)
TYP
1.25
17.5
100
3.3
0.1
50
35
40
50
5
8
2
1
2
5
0.2 x V
1.275
MAX
5.15
115
3.4
0.4
2.4
0.4
11
11
85
60
10
25
22
1
1
1
DD
UNITS
mV/A
mV/V
mV
µA
µA
nA
µA
µA
µA
µs
µs
ns
Ω
V
V
V
V
V
V