MAX8815AETB+ MAXIM [Maxim Integrated Products], MAX8815AETB+ Datasheet - Page 5

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

(V
OUTS
120
100
80
60
40
20
0
1.2
MEASURED AT THE BOTTOM SIDE VIA
UNDERNEATH THE EP ON THE MAX8815A
EVALUATION KIT
V
T
= V
A
OUT
= +25°C
1A, 97% Efficiency, 30µA Quiescent Current
POUT
= 5V
2.2
vs. INPUT VOLTAGE
EP TEMPERATURE
INPUT VOLTAGE (V)
= 5V, V
3.2
I
2000
1800
1600
1400
1200
1000
5000
4500
4000
3500
3000
2500
2000
1500
1000
OUT
800
600
400
200
500
_______________________________________________________________________________________
0
0
= 1A
1.2
vs. INPUT VOLTAGE, DURING SHUTDOWN
0
Step-Up Converter with True Shutdown
BATT
4.2
= V
2.2
I
OUT
5.2
vs. LOAD CURRENT
SOFT-START TIME
ON
= 0.5A
LOAD CURRENT (mA)
INPUT CURRENT
T
INPUT VOLTAGE (V)
500
A
T
A
= +25°C
3.2
= 3.6V, V
= +85°C
6.2
T
4.2
A
1000
= -40°C
SKIPB
300
250
200
150
100
Typical Operating Characteristics (continued)
50
5.2
0
1.2
= GND.)
vs. INPUT VOLTAGE, V
1500
6.2
2.2
T
A
= -40°C
INPUT CURRENT
INPUT VOLTAGE (V)
3.2
T
A
= +25°C
4.2
T
OUT
A
1600
1400
1200
1000
1200
1000
= +85°C
800
600
400
200
800
600
400
200
= 3.3V
0
0
5.2
1.2
1.2
6.2
2.2
1.8
T
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
A
SOFT-START TIME
= +25°C
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
STARTUP LOAD
3.2
200
180
160
140
120
100
80
60
40
20
2.4
0
1.2
4.2
vs. INPUT VOLTAGE, V
T
2.2
3.0
A
T
T
A
5.2
= +85°C
A
= -40°C
= +25°C
INPUT CURRENT
INPUT VOLTAGE (V)
3.2
3.6
6.2
T
4.2
A
= +85°C
OUT
5.2
= 5V
6.2
5