MAX829EUK ON Semiconductor, MAX829EUK Datasheet - Page 11

• Manufacturer Part Number: MAX829EUK
• Description: IC INVERTER CHARGE PUMP SOT23-5
• Manufacturer: ON Semiconductor
• Type: Switched Capacitor (Charge Pump), Doubler, Invertingr

Specifications of MAX829EUK

• 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: 19kHz ~ 54kHz
• 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: Contains lead / RoHS non-compliant
• Other names: MAX829EUKOS

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 positive voltage doubler. The output voltage is approximately equal to 2V
10.0
8.0
6.0
4.0
2.0
0
T
Output Voltage vs. Output Current MAX828
A
= 25°C
Figure 37. Doubler Load Regulation,
10
I
out
, OUTPUT CURRENT (mA)
V
in
20
B
A
+
Curve
C
D
Figure 36. Positive Output Voltage Doubler
A
B
MAX829: Capacitors = 3.3 mF
MAX828: Capacitors = 10 mF
1
2
3
30
D
C
V
in
3.0
3.0
5.0
5.0
(V)
MAX828, MAX829
OSC
http://onsemi.com
MBRA120E
MBRA120E
40
1N4148
1N4148
Diodes
11
5
4
10.0
8.0
6.0
4.0
2.0
0
MAX828
R
T
out
A
Output Voltage vs. Output Current MAX829
259
251
209
192
= 25°C
+
(W)
Figure 38. Doubler Load Regulation,
MAX829
10
R
I
out
out
246
237
198
185
, OUTPUT CURRENT (mA)
+
(W)
V
out
20
B
A
30
D
C
in
minus
40