MAX1720EUT+T Maxim Integrated Products, MAX1720EUT+T Datasheet - Page 4

• Manufacturer Part Number: MAX1720EUT+T
• Description: IC VOLT INV SW CAP SOT23-6
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of MAX1720EUT+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -5.5 V
• Current - Output: 25mA
• Frequency - Switching: 12kHz
• Voltage - Input: 1.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Power - Output: 696mW
• Function: Inverting
• Output Voltage: - 1.25 V to - 5.5 V
• Output Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SOT23, Switched-Capacitor
Voltage Inverters with Shutdown
4
(Circuit of Figure 1, V
erwise noted.)
80
70
60
50
40
30
20
10
70
60
50
40
30
20
10
_______________________________________________________________________________________
-40
1.5
R
L
= 1kΩ
2.0
START-UP FROM SHUTDOWN
MAX1719/
MAX1721
-15
2.5
OUTPUT RESISTANCE
OUTPUT RESISTANCE
MAX1720
vs. INPUT VOLTAGE
vs. TEMPERATURE
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3.0
MAX1720
10
500µs/div
IN
3.5
= +5V, SHDN = GND (MAX1719), SHDN = IN (MAX1720/MAX1721), C1 = C2 = C3, T
35
4.0
V
V
IN
IN
V
V
4.5
IN
IN
= +1.5V
= +3.3V
MAX1720/21toc10
= +2V
= +5V
60
5.0
5.5
85
V
2V/div
V
5V/div
OUT
SHDN
1000
450
400
350
300
250
200
150
100
35
30
25
20
15
10
100
Typical Operating Characteristics (continued)
50
5
0
10
0
1.5
-40
0
OUTPUT CURRENT vs. CAPACITANCE
V
2.0
IN
5
V
= +1.5V
IN
-15
10
= +5V
2.5
vs. INPUT VOLTAGE
V
SUPPLY CURRENT
PUMP FREQUENCY
vs. TEMPERATURE
V
15
IN
INPUT VOLTAGE (V)
IN
TEMPERATURE (°C)
CAPACITANCE (µF)
= +1.5V
3.0
= +5V
-10
MAX1720
20
-40°C
-40°C
V
V
V
IN
IN
3.5
IN
25
= +4.75V, V
= +3.15V, V
= +1.9V, V
MAX1719/MAX1721
30
4.0
35
MAX1719/
MAX1721
+85°C
+85°C
35
MAX1720
4.5
OUT
OUT
OUT
MAX1720
60
40
= -4.0V
= -2.5V
= -1.5V
5.0
45 50
5.5
85
500
450
400
350
300
250
200
150
100
30
25
20
15
10
50
5
0
0
-40
V
20mV/div, AC-COUPLED
0
IN
= 3.3V, V
SHUTDOWN SUPPLY CURRENT
OUTPUT NOISE AND RIPPLE
5
-15
OUTPUT VOLTAGE RIPPLE
V
OUT
IN
vs. TEMPERATURE
vs. CAPACITANCE
TEMPERATURE (°C)
= +4.75V, V
CAPACITANCE (µF)
10
= -3.17V, I
V
MAX1720
10
IN
10µs/div
A
V
V
= +3.15V, V
V
IN
IN
V
= +25°C, unless oth-
IN
15
IN
= +3.3V
= +1.5V
OUT
= +1.9V, V
OUT
= +5V
35
= -4.0V
= 5mA
20
OUT
OUT
= -2.5V
MAX1720/21toc09
60
25
= -1.5V
85
30
V
MAX1719/
MAX1721
V
MAX1720
OUT
OUT