MAX1822ESA+ Maxim Integrated Products, MAX1822ESA+ Datasheet - Page 4

• Manufacturer Part Number: MAX1822ESA+
• Description: IC POWER SUPPLY HI SIDE 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump)r

Specifications of MAX1822ESA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 14.5 ~ 27.5 V
• Current - Output: 25mA
• Frequency - Switching: 90kHz
• Voltage - Input: 3.5 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Maximum Power Dissipation: 471 mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-Side Power Supply
4
_______________________________________________________________________________________
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