Typical operating characteristics (continued) – Rainbow Electronics MAX8815A User Manual
Page 5
MAX8815A
1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
_______________________________________________________________________________________
5
0
40
20
80
60
100
120
1.2
3.2
2.2
4.2
5.2
6.2
EP TEMPERATURE
vs. INPUT VOLTAGE
MAX8815A toc07
INPUT VOLTAGE (V)
EP TEMPERATURE (
°C)
MEASURED AT THE BOTTOM SIDE VIA
UNDERNEATH THE EP ON THE MAX8815A
EVALUATION KIT
I
OUT
= 0.5A
I
OUT
= 1A
V
OUT
= 5V
T
A
= +25
°C
0
100
50
200
150
250
300
1.2
3.2
2.2
4.2
5.2
6.2
INPUT CURRENT
vs. INPUT VOLTAGE, V
OUT
= 3.3V
MAX8815A toc08
INPUT VOLTAGE (V)
INPUT CURRENT (
μ
A)
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
0
60
40
20
80
100
120
140
160
180
200
1.2
3.2
2.2
4.2
5.2
6.2
INPUT CURRENT
vs. INPUT VOLTAGE, V
OUT
= 5V
MAX8815A toc09
INPUT VOLTAGE (V)
INPUT CURRENT (
μ
A)
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
0
600
400
200
800
1000
1200
1400
1600
1800
2000
1.2
3.2
2.2
4.2
5.2
6.2
INPUT CURRENT
vs. INPUT VOLTAGE, DURING SHUTDOWN
MAX8815A toc10
INPUT VOLTAGE (V)
INPUT CURRENT (nA)
T
A
= -40
°C
T
A
= +25
°C
T
A
= +85
°C
0
400
200
800
600
1000
1200
1.2
2.4
1.8
3.0
3.6
STARTUP LOAD
vs. INPUT VOLTAGE
MAX8815A toc11
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
T
A
= +25
°C
T
A
= +85
°C
0
1500
1000
500
2000
2500
3000
3500
4000
4500
5000
0
500
1000
1500
SOFT-START TIME
vs. LOAD CURRENT
MAX8815A toc12
LOAD CURRENT (mA)
SOFT-START TIME (
μ
s)
Typical Operating Characteristics (continued)
(V
OUTS
= V
POUT
= 5V, V
BATT
= V
ON
= 3.6V, V
SKIPB
= GND.)
0
200
400
600
800
1000
1200
1400
1600
1.2
2.2
3.2
4.2
5.2
6.2
SOFT-START TIME
vs. INPUT VOLTAGE
MAX8815A toc13
INPUT VOLTAGE (V)
SOFT-START TIME (
μ
s)