MAX1681ESA+T Maxim Integrated Products, MAX1681ESA+T Datasheet - Page 4

• Manufacturer Part Number: MAX1681ESA+T
• Description: IC VOLT CONV 125MA 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Doubler, Invertingr

Specifications of MAX1681ESA+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -2 ~ -5.5 V, 4 ~ 11 V
• Current - Output: 125mA
• Frequency - Switching: 500kHz, 1MHz
• Voltage - Input: 2 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Function: Inverting, Step Up
• Output Voltage: - 3 V to - 5.5 V, 8 V to 11 V
• Output Current: 125 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

125mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
(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
4
__________________________________________Typical Operating Characteristics
800
700
600
500
400
300
200
100
8.5
7.5
6.5
5.5
4.5
3.5
2.5
_______________________________________________________________________________________
0
2.0
0
OUTPUT SOURCE RESISTANCE
2.5
20
OUTPUT VOLTAGE DROP
vs. SUPPLY VOLTAGE
vs. LOAD CURRENT
40
3.0
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
3.5
60
80
4.0
V
INPUT
100
4.5
= 3V
V
INPUT
120
5.0
= 5V
140
5.5
A
= +25°C.)
-10
-12
-14
-2
-4
-6
-8
2
0
6
5
4
3
2
1
0
-40
2.0
MAX1680
OSCILLATOR FREQUENCY CHANGE
OUTPUT SOURCE RESISTANCE vs.
-20
2.5
vs. SUPPLY VOLTAGE
3.0
0
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE
MAX1681
A
= +25°C, unless otherwise noted. Test results are also valid for
3.5
20
V
INPUT
4.0
40
= 3V
V
INPUT
4.5
60
= 5V
5.0
80
100
5.5
100
-10
10
80
60
40
20
-2
-4
-6
-8
8
6
4
2
0
0
LOAD CURRENT (INVERTER CONFIGURATION)
-40
1
OSCILLATOR FREQUENCY CHANGE
-20
MAX1680
MAX1680 EFFICIENCY vs.
MAX1681
V
INPUT
vs. TEMPERATURE
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
10
V
= 5.5V
INPUT
20
V
INPUT
= 4V
40
= 3V
100
60
FSEL = IN
80
1000
100