MAX768EEE-T Maxim Integrated Products, MAX768EEE-T Datasheet - Page 4

• Manufacturer Part Number: MAX768EEE-T
• Description: Charge Pumps Charge Pump Ut, Regulated Charge
• Manufacturer: Maxim Integrated Products

Specifications of MAX768EEE-T

• Function: Inverting, Step Up
• Output Voltage: +/- 5 V, +/- 1.25 V to +/- 11 V
• Output Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: QSOP-16
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

Low-Noise, Dual-Output, Regulated Charge Pump
for GaAsFET, LCD, and VCO Supplies
4
(SYNC = IN, T
____________________________Typical Operating Characteristics (continued)
90
80
70
60
50
40
30
20
10
_______________________________________________________________________________________
20
18
16
14
12
10
0
8
6
4
2
0
4
3
2
1
0
0.1
-40
0
EFFICIENCY vs. LOAD CURRENT
40
-15
V
SHDN SUPPLY CURRENT
V
IN
A
(NOUT ONLY LOADED)
vs. SYNC FREQUENCY
IN
80
LOAD CURRENT (mA)
SYNC FREQUENCY (kHz)
vs. TEMPERATURE
= 5.0V
SUPPLY CURRENT
= 3.0V
= +25°C, unless otherwise noted.)
TEMPERATURE (°C)
1
V
120
IN
V
10
IN
= 5.0V
V
= 3.3V
IN
160
= 4.0V
V
IN
35
200 240 280
= 3.3V
10
60
100
320
85
-0.05
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
115
100
85
70
55
40
25
10
90
80
70
60
50
40
30
20
10
0
0
0.1
2.5
-40
EFFICIENCY vs. OUTPUT CURRENT
3.0
CHARGE-PUMP FREQUENCY
-15
SHDN SUPPLY CURRENT
V
(POUT ONLY LOADED)
vs. SUPPLY VOLTAGE
OUTPUT CURRENT (mA)
IN
3.5
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
= 3.0V
TEMPERATURE (°C)
SYNC = IN
SYNC = GND
1
10
4.0
V
IN
= 4.0V
4.5
35
V
10
IN
5.0
= 5.0V
V
V
IN
IN
= 4.0V
= 3.3V
60
5.5
100
6.0
85
120
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
-55 -35
0.1
2.5
EFFICIENCY vs. OUTPUT CURRENT
V
LOAD BETWEEN POUT AND NOUT
vs. SUPPLY VOLTAGE (NO LOAD)
IN
3.0
CHARGE-PUMP FREQUENCY
= 3.3V
f = 100kHz
V
-15
IN
OUTPUT CURRENT (mA)
vs. TEMPERATURE
= 3.0V
3.5
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SYNC = IN
TEMPERATURE (°C)
5
1
SYNC = GND
4.0
25
f = 25kHz
45
V
4.5
IN
= 4.0V
65
10
5.0
85
5.5
105
125
100
6.0