MAX1822ESA Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1822ESA Datasheet PDF : 10 Pages
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High-Side Power Supply
Typical Operating Characteristics (continued)
MAX1822
OUTPUT VOLTAGE RIPPLE
vs. RESERVOIR CAPACITOR C3
200
TA = +25°C
180
160
VCC = +16.5V
140
IOUT = 1mA
120
C1 = C2 = 0.01µF
100
80
VCC = +5V
IOUT = 500µA
60
C1 = C2 = 0.047µF
40
20
0
1 2 3 4 5 6 7 8 9 10
RESERVOIR CAPACITOR (µF)
MAX1822
TURN-ON TIME
vs. SUPPLY VOLTAGE
10
IOUT = 0
TA = +25°C
1
0.1
0
5
10
15
20
VCC (V)
Pin Description
PIN
NAME
FUNCTION
1
C1+
Positive terminal to primary charge-pump capacitor
2
C2-
Negative terminal to secondary charge-pump capacitor
3
PR
Power-Ready Output. High when VOUT is ≥ VCC + 8.5V with respect to GND.
4
GND
Ground
5
VOUT
High-Side Voltage Out
6
C2+
Positive terminal to secondary charge-pump capacitor
7
C1-
Negative terminal to primary charge-pump capacitor
8
VCC
Input Supply
4 _______________________________________________________________________________________
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