MAX679EUA Maxim Integrated Products, MAX679EUA Datasheet - Page 2

• Manufacturer Part Number: MAX679EUA
• Description: Charge Pumps
• Manufacturer: Maxim Integrated Products

Specifications of MAX679EUA

• Function: Step Up
• Output Voltage: 3.3 V
• Output Current: 20 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: uMAX-8
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

ABSOLUTE MAXIMUM RATINGS
IN, OUT, SHDN, FSET to GND....................................-0.3V to 6V
PGND to GND.....................................................................±0.3V
C1- to GND ..................................................-0.3V to (V
C1+ to GND..............................................-0.3V to (V
OUT Short to GND ..............................................................10sec
Regulated 3.3V Charge Pump
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
are at T
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
2
Input Voltage
Input Undervoltage Lockout Voltage
Output Voltage
Output Current
No-Load Supply Current
Leakage Current into OUT in Shutdown
Supply Current in Shutdown
FSET, SHDN Input Voltage Low
FSET, SHDN Input Voltage High
FSET, SHDN Input Leakage Current
Switching Frequency
Output Short-Circuit Current
Efficiency
IN
_______________________________________________________________________________________
= V
A
S HDN
= +25°C.) (Note 1)
PARAMETER
= V
FSET
= 2V, C
IN
= 4.7µF, C1 = 0.33µF, C
2V < V
0mA < I
V
V
V
V
V
V
FSET
FSET = GND
FSET = IN
OUT = GND, V
V
IN
IN
OUT
IN
IN
IN
IN
= 1.8V, V
= 2.5V, FSET = IN or GND
= 3.3V
= 1.8V
= 3.6V
= 2V, I
,
= 3.6V, SHDN = GND
SHDN = GND or V
IN
OUT
OUT
< 3.3V,
OUT
IN
< 20mA
OUT
+ 0.3V)
+ 0.3V)
IN
= 10mA
OUT
= 3.3V
> 3.17V
CONDITIONS
= 10µF, T
IN
T
T
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
A
A
µMAX (derate 4.1mW/°C above +70°C) .......................330mW
= 0°C to +85°C
= -40°C to +85°C
A
= -40°C to +85°C, unless otherwise noted. Typical values
0.7 x
3.17
3.15
MIN
260
700
1.8
0.8
V
IN
A
= +70°C)
0.5 x
0.5 x
1000
TYP
330
100
V
V
3.3
0.1
20
50
15
80
1
IN
IN
MAX
0.3 x
1300
3.43
3.45
450
200
V
3.6
1.6
80
25
5
1
IN
UNITS
kHz
mA
mA
µA
µA
µA
µA
%
V
V
V
V
V