MAX1680ESA Maxim Integrated Products, MAX1680ESA Datasheet - Page 5

• Manufacturer Part Number: MAX1680ESA
• Description: Charge Pumps 125mA f-Selct Swtchd Cap Volt Converter
• Manufacturer: Maxim Integrated Products

Specifications of MAX1680ESA

• Function: Inverting, Step Up
• Output Voltage: - 2 V to - 5.5 V, 5 V to 11 V
• Output Current: 125 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: SOIC-8 Narrow
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

(All curves generated using the inverter configuration shown in the Typical Operating Circuit s with LV = GND, FSEL = IN or LV,
C1 = C2 = 10µF (MAX1680), C1 = C2 = 2.2µF (MAX1681), and T
the doubler configuration with LV = OUT and T
____________________________Typical Operating Characteristics (continued)
100
80
60
40
20
0
LOAD CURRENT (DOUBLER CONFIGURATION)
1
MAX1681 EFFICIENCY vs.
10
10
V
9
8
7
6
5
4
3
9
8
7
6
5
4
3
INPUT
MAX1680 OUTPUT SOURCE RESISTANCE vs.
LOAD CURRENT (mA)
MAX1681 OUTPUT SOURCE RESISTANCE vs.
CAPACITANCE (INVERTER CONFIGURATION)
CAPACITANCE (INVERTER CONFIGURATION)
10
0
0
V
INPUT
= 5.5V
_______________________________________________________________________________________
Switched-Capacitor Voltage Converters
2
2
V
INPUT
= 4V
V
V
4
4
INPUT
INPUT
= 3V
100
6
6
V
CAPACITANCE ( F)
CAPACITANCE ( F)
= 3V, FSEL = LV
= 5V, FSEL = LV
INPUT
V
8
8
INPUT
FSEL = IN
= 3V, FSEL = IN
10 12 14
10 12 14
V
V
V
V
= 5V, FSEL = IN
INPUT
INPUT
INPUT
INPUT
1000
= 3V, FSEL = LV
= 5V, FSEL = LV
= 5V, FSEL = IN
= 3V, FSEL = IN
16
16
A
125mA, Frequency-Selectable,
18
18
= +25°C.)
9
8
7
6
5
4
3
2
1
0
20
20
2.0
MAX1680 SUPPLY CURRENT vs.
2.5
INVERTER MODE
FSEL = LV
3.0
SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
3.5
A
= +25°C, unless otherwise noted. Test results are also valid for
4.0
INVERTER MODE
FSEL = IN
DOUBLER MODE
FSEL = LV
DOUBLER MODE
FSEL = IN
4.5
5.0
5.5
10
10
9
8
7
6
5
4
3
9
8
7
6
5
4
3
MAX1680 OUTPUT SOURCE RESISTANCE vs.
MAX1681 OUTPUT SOURCE RESISTANCE vs.
CAPACITANCE (DOUBLER CONFIGURATION)
CAPACITANCE (DOUBLER CONFIGURATION)
6.0
0
0
2
2
V
INPUT
4
4
30
25
20
15
10
5
0
V
INPUT
= 3V, FSEL = LV
6
CAPACITANCE ( F)
6
CAPACITANCE ( F)
2.5
V
INPUT
8
8
= 5V, FSEL = LV
MAX1681 SUPPLY CURRENT vs.
V
INVERTER MODE
FSEL = LV
3.0
10 12 14
10 12 14
INPUT
V
V
V
V
= 5V, FSEL = IN
INPUT
INPUT
INPUT
INPUT
= 3V, FSEL = IN
3.5
SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
= 3V, FSEL = LV
= 5V, FSEL = IN
= 3V, FSEL = IN
= 5V, FSEL = LV
4.0
16
16
DOUBLER MODE
FSEL = LV
INVERTER MODE
FSEL = IN
18
18
4.5
DOUBLER MODE
FSEL = IN
20
20
5.0
5.5
6.0
5