MAX1677EEE Maxim Integrated Products, MAX1677EEE Datasheet - Page 7
![IC CONV DC-DC STEP-UP 16-QSOP](/photos/6/61/66127/175-16-qsop_sml.jpg)
MAX1677EEE
Manufacturer Part Number
MAX1677EEE
Description
IC CONV DC-DC STEP-UP 16-QSOP
Manufacturer
Maxim Integrated Products
Type
Step-Up (Boost)r
Datasheet
1.MAX1677EEE.pdf
(16 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX1677EEE
Manufacturer:
MAXIM
Quantity:
247
Part Number:
MAX1677EEE
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
MAX1677EEE+
Manufacturer:
MAXIM/美信
Quantity:
20 000
(Circuits of Figures 2 and 3, T
50mV/
50mV/
1V/
1V/
div
div
div
div
0V
0V
V
I
V
I
LOAD
OUT
IN
IN
= 2V TO 3V, V
= 2V TO 3V, V
= 5mA
= 150mA
MAIN BOOST CONVERTER
LCD LINE TRANSIENT
_______________________________________________________________________________________
LINE TRANSIENT
Step-Up and LCD Bias DC-DC Converter
(V
OUT
LCD
LCD
Compact, High-Efficiency, Dual-Output
5ms/div
5ms/div
= 3.3V,
= -20V,
= -20V)
A
= +25°C, unless otherwise noted.)
MAX1677-16
MAX1677-18
10V/
V
V
V
V
2V/
div
div
IN
OUT
IN
LCD
Typical Operating Characteristics (continued)
V
I
OUT
IN
= 2.4V, V
= 5mA
LCD STARTUP DELAY
LCD
= -20V,
10ms/div
MAX1677-20
50mV/
LCDON
V
1V/
1V/
1V/
div
div
0V
div
div
0V
LCD
V
I
V
I
OUT
LOAD
IN
IN
= 2V TO 3V, V
= 2.4V, V
= 5mA
= 10mA
MAIN BOOST CONVERTER
LCD LINE TRANSIENT
OUT
STARTUP DELAY
(V
= 3.3V,
LCD
LCD
500µs/div
5ms/div
= +12V,
= +12V)
MAX1677-17
MAX1677-19
V
V
ON
V
IN
LCD
OUT
7