MAX1720EUTG ON Semiconductor, MAX1720EUTG Datasheet - Page 10

• Manufacturer Part Number: MAX1720EUTG
• Description: IC INVERTER CHRG PUMP VOLT 6TSOP
• Manufacturer: ON Semiconductor
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of MAX1720EUTG

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -5.5 V, 3 ~ 11 V
• Current - Output: 50mA
• Frequency - Switching: 12kHz
• Voltage - Input: 1.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-74-6
• Power - Output: 313mW
• Function: Inverting
• Output Voltage: - 5.5 V to - 1.15 V
• Output Current: 100 mA
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage (min): 1.15V
• Operating Supply Voltage (max): 5.5V
• Package Type: TSOP
• Pin Count: 6
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX1720EUTGOS

the forward voltage drop of each external diode. The performance characteristics for the above converter are shown below.
Note that curves A and C show the circuit performance with economical 1N4148 diodes, while curves B and D are with lower
loss MBRA120E Schottky diodes.
Figure 29. Tripler Load Regulation, Output Voltage vs. Output Current
A single device can be used to construct a positive voltage tripler. The output voltage is approximately equal to 3V
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0
0
T
A
= 25°C
10
I
V
out
in
, OUTPUT CURRENT (mA)
V
+
in
20
Figure 30. Load Regulated Negative Output Voltage
Capacitors = 10 mF
1
2
3
D
C
Figure 28. Positive Output Voltage Tripler
+
OSC
30
1
2
3
Capacitors = 10 mF
http://onsemi.com
B
A
OSC
6
5
4
MAX1720
40
10
6
5
4
100 k
+
+
+
Curve
+
A
B
C
D
+
−V
V
in
3.0
3.0
5.0
5.0
out
(V)
+
V
out
MBRA120E
MBRA120E
All Diodes
1N4148
1N4148
R
out
111
in
97
85
75
minus
(W)