MAX8815AETB+ MAXIM [Maxim Integrated Products], MAX8815AETB+ Datasheet - Page 4

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

1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
(V
4
OUTS
_______________________________________________________________________________________
= V
POUT
= 5V, V
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
0
0
1.2
0.1
0.1
V
BATT
V
V
IN
IN
OUT
= 1.8V, SKIP
= 1.5V, SKIP
= 3.0V,
= 2.5V,
= 1.8V,
= 1.5V
MAXIMUM LOAD CURRENT
= 3.3V
1.7
= V
CURRENT, V
EFFICIENCY vs. LOAD
1
vs. INPUT VOLTAGE
1
vs. LOAD CURRENT
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
ON
2.2
V
= 3.6V, V
IN
V
= 2.5V, SKIP
= 1.8V, SKIP
= 1.5V, FPWM
10
10
OUT
OUT
V
2.7
= 5V
IN
= 3.3V
= 3V, FPWM
= 3V, SKIP
= 2.5V, SKIP
SKIPB
100
100
3.2
FPWM
SKIP
= GND.)
1000
1000
3.7
Typical Operating Characteristics
100
5.10
5.05
5.00
4.95
4.90
4.85
4.80
90
80
70
60
50
40
30
20
10
0
6
5
4
3
2
1
0
0.1
0.1
1.2
V
IN
V
SKIP
= 3.6V,
= 3V,
= 2.5V,
= 1.8V,
= 1.5V
IN
2.2
EFFICIENCY vs. LOAD
CURRENT, V
= 4.2V,
1
1
OUTPUT CURRENT (mA)
vs. INPUT VOLTAGE
vs. LOAD CURRENT
OUTPUT VOLTAGE
OUTPUT VOLTAGE
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
3.2
10
10
SKIP
V
IN
OUT
4.2
= 3.6V,
= 3V,
= 2.4V,
= 1.8V,
= 1.5V
= 5V
100
100
FPWM
V
5.2
IN
= 3.6V,
= 3V,
= 2.4V,
= 1.8V,
= 1.5V
FPWM
SKIP
= 4.2V,
1000
1000
6.2