MAX1822ESA Maxim, MAX1822ESA Datasheet - Page 4

• Manufacturer Part Number: MAX1822ESA
• Description: High-Side Power Supply
• Manufacturer: Maxim

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