MAX1677EEE Maxim Integrated Products, MAX1677EEE Datasheet - Page 2

• Manufacturer Part Number: MAX1677EEE
• Description: IC CONV DC-DC STEP-UP 16-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1677EEE

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 3.3V or Adj Main, -28 ~ 28 V or Adj Secondary
• Current - Output: 350mA
• Frequency - Switching: 300kHz
• Voltage - Input: 0.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Power - Output: 696mW
• Output Voltage: 2.5 V to 5.5 V
• Output Current: 350 mA
• Input Voltage: 0.7 V to 5.5 V
• Supply Current: 35 uA
• Switching Frequency: 300 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE MAXIMUM RATINGS
OUT, LCDON, ON, POUT, LBI, LBO,
CLK/SEL, LCDPOL, REF, LCDFB,
LCDLX to GND .......................................................-0.3V to +30V
PGND, LCDGND to GND ......................................-0.3V to +0.3V
POUT to OUT.........................................................-0.3V to +0.3V
ELECTRICAL CHARACTERISTICS
(V
Compact, High-Efficiency, Dual-Output
Step-Up and LCD Bias DC-DC Converter
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.
2
GENERAL
Input Voltage Range
Minimum Startup Voltage
Reference Voltage
Reference Load Regulation
Reference Line Rejection
Supply Current
Main DC On, LCD Off
Supply Current All On,
Main DC-DC in PFM Mode
Supply Current All On,
Main DC-DC in PWM Mode
Supply Current in Shutdown
MAIN BOOST DC-DC
Output Voltage
FB Regulation Voltage
FB Input Current
Output Voltage Adjustment
Range
Startup to Normal Mode
Transition Voltage (Note 4)
Line Regulation
Load Regulation
Frequency in Startup Mode
LX Leakage Current
LX to GND .............................................................-0.3V to +6V
FB to GND .............................................-0.3V to (V
OUT
_______________________________________________________________________________________
= 3.3V, C
PARAMETER
REF
= 0.1µF, POUT = OUT, T
V
V
SYMBOL
V
I
f
I
LX (LEAK)
LOCKOUT
STARTUP
STARTUP
LCDOFF
FB (REG)
V
V
I
I
PWM
V
PFM
I
OUT
REF
FB
IN
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
(Note 1)
T
I
I
V
No load, current into OUT
No load, current into OUT
No load, current into OUT
FB = GND, 0 ≤ I
CLK/SEL = OUT (Note 3)
Adjustable mode, CLK/SEL = OUT (Note 3)
V
I
CLK/SEL = OUT, V
I
V
REF
REF
OUT
LOAD
A
OUT
FB
OUT
OUT
= +25°C, I
= 1.3V
= 0
= 0 to 50µA (Note 2)
= 150mA, V
= 2.5V to 5.5V
= 15V
+ 0.3V)
= 10mA to 200mA
LOAD
CONDITIONS
LX
IN
≤ 350mA,
IN
< 1mA
= 2V to 3V
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
= 2.4V,
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........696mW
1.225
MIN
1.23
3.20
0.7
2.5
2.1
40
A
= +70°C)
TYP
1.25
3.30
1.25
0.02
115
0.9
0.2
0.3
0.6
0.2
20
35
2
1
A
= +25°C.)
MAX
1.275
1.27
3.43
300
300
5.5
1.1
5.5
2.4
15
40
60
50
5
5
5
UNITS
kHz
mV
mV
µA
µA
µA
µA
nA
µA
%
%
V
V
V
V
V
V
V