MAX1697 Maxim, MAX1697 Datasheet - Page 5

• Manufacturer Part Number: MAX1697
• Description: 60mA / SOT23 Inverting Charge Pump with Shutdown
• Manufacturer: Maxim

(Circuit of Figure 1, capacitors from Table 2, V
1000
100
2.5
2.0
1.5
1.0
0.5
30
25
20
15
10
10
0
1
5
0
1.5
-40
-40
2.0
-20
-20
2.5
OUTPUT RESISTANCE
vs. INPUT VOLTAGE
PUMP FREQUENCY
vs. TEMPERATURE
vs. TEMPERATURE
SUPPLY CURRENT
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
3.0
MAX1697S
_______________________________________________________________________________________
MAX1697R
3.5
20
20
MAX1697U
MAX1697T
MAX1697S
MAX1697R
V
4.0
IN
V
= +1.5V TO +5V
40
40
IN
60mA, SOT23 Inverting Charge Pump
V
V
= +1.5V
MAX1697U
MAX1697T
IN
4.5
IN
MAX1697S
V
= +2V
IN
= +3.3V
60
= +5V
60
5.0
5.5
80
80
IN
= +5V, SHDN = IN, T
35
30
25
20
15
10
35
30
25
20
15
10
Typical Operating Characteristics (continued)
5
0
5
0
-40
-40
V
10mV/div, AC-COUPLED
IN
= 3.3V, I
SHUTDOWN SUPPLY CURRENT
-20
-20
OUTPUT NOISE AND RIPPLE
OUTPUT RESISTANCE
OUT
vs. TEMPERATURE
vs. TEMPERATURE
MAX1697R/S/T/U
TEMPERATURE (°C)
TEMPERATURE (°C)
= 5mA,
0
0
MAX1697R/S
MAX1697T
20 s/div
20
20
A
= +25°C, unless otherwise noted.)
40
40
V
V
IN
IN
V
V
V
IN
= +3.3V
= +2V
V
IN
IN
V
IN
= +5V
IN
MAX1697 TOC17
= +3.3V
= +1.5V
= +2V
60
60
= +5V
80
80
V
MAX1697R
(12kHz)
V
MAX1697S
(35kHz)
OUT
OUT
with Shutdown
35
30
25
20
15
10
45
40
35
30
25
20
15
10
5
0
5
0
-40
-40
V
10mV/div, AC-COUPLED
IN
= 3.3V, I
-20
-20
OUTPUT NOISE AND RIPPLE
OUTPUT RESISTANCE
OUTPUT RESISTANCE
OUT
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
= 5mA,
MAX1697T/U
MAX1697U
MAX1697R
2 s/div
20
20
40
40
V
V
V
V
V
IN
V
IN
IN
IN
V
V
IN
IN
IN
IN
= +1.5V
= +1.5V
= +3.3V
MAX1697 TOC18
= +3.3V
= +2V
= +2V
60
60
= +5V
= +5V
80
80
V
MAX1697T
(125kHz)
V
MAX1697U
(250kHz)
OUT
OUT
5