MAX828EUKG ON Semiconductor, MAX828EUKG Datasheet - Page 9

• Manufacturer Part Number: MAX828EUKG
• Description: IC INVERTER CHARGE PUMP SOT23-5
• Manufacturer: ON Semiconductor
• Type: Switched Capacitor (Charge Pump), Doubler, Invertingr

Specifications of MAX828EUKG

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.15 ~ -5.5 V, 2.3 ~ 11 V
• Current - Output: 50mA
• Frequency - Switching: 6kHz ~ 21kHz
• Voltage - Input: 1.15 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX828EUKGOS; MAX828EUKGOS; MAX828EUKGOSTR

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.
A single device can be used to construct a negative voltage doubler. The output voltage is approximately equal to −2V
−10.0
Curve
−10.0
−2.0
−3.0
−4.0
−5.0
−6.0
−7.0
−8.0
−9.0
−2.0
−4.0
−6.0
−8.0
−1.0
A
B
C
D
0.0
0
0
Output Voltage vs. Output Current MAX828
Output Voltage vs. Output Current MAX828
V
in
Figure 28. Cascade Load Regulation,
3.0
5.0
3.0
5.0
Figure 31. Doubler Load Regulation,
(V)
10
10
I
I
A
A
B
out
out
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
R
out
173
141
179
147
(W)
20
20
B
30
30
V
C
D
in
T
MAX828, MAX829
A
http://onsemi.com
= 25°C
+
40
40
9
Figure 30. Negative Output Voltage Doubler
1
2
3
−10.0
−10.0
−1.0
−2.0
−3.0
−4.0
−5.0
−6.0
−7.0
−8.0
−9.0
−2.0
−4.0
−6.0
−8.0
0
0
OSC
Output Voltage vs. Output Current MAX829
Output Voltage vs. Output Current MAX829
Figure 29. Cascade Load Regulation,
Figure 32. Doubler Load Regulation,
I
I
10
5
4
A
B
10
out
out
C
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
+
MAX829: Capacitors = 3.3 mF
MAX828: Capacitors = 10 mF
20
20
C
D
D
+
+
30
30
T
A
+
= 25°C
in
minus
−V
out
40
40