MAX8815AETB+ MAXIM [Maxim Integrated Products], MAX8815AETB+ Datasheet - Page 9

• Manufacturer Part Number: MAX8815AETB+
• Description: 1A, 97% Efficiency, 30?A Quiescent Current Step-Up Converter with True Shutdown
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 1. Typical Application Circuits
1A, 97% Efficiency, 30µA Quiescent Current
_______________________________________________________________________________________
Step-Up Converter with True Shutdown
INPUT VOLTAGE
1.2V TO 5.5V
10μF
INPUT VOLTAGE
10μF
1.2V TO 5.5V
C1
C1
NORM
OFF
NORM
OFF
FPWM
ON
FPWM
ON
1b. ADJUSTABLE OUTPUT VOLTAGE
3
3
4
8
4
8
BATT
ON
SKIPB
BATT
ON
SKIPB
1a. FIXED 5V OUTPUT
MAX8815A
MAX8815A
2μH
2μH
L
L
POUT
OUTS
POUT
OUTS
GND
GND
LX
FB
LX
FB
1, 2
9, 10
1, 2
9, 10
7
6
5
7
6
5
R3
100kΩ
R3
100kΩ
C3
0.1μF
C3
0.1μF
3.3V TO 5V; UP TO 1A
OUTPUT VOLTAGE
OUTPUT VOLTAGE
C2
22μF
5V; UP TO 1A
C2
22μF
R1
R2
9