MAX8569A Maxim Integrated Products, MAX8569A Datasheet - Page 4

• Manufacturer Part Number: MAX8569A
• Description: (MAX8569A / MAX8569B) 200mA Step-Up Converters
• Manufacturer: Maxim Integrated Products

200mA Step-Up Converters in 6-Pin
SOT23 and TDFN
4
(Circuit of Figure 2, V
_______________________________________________________________________________________
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
100
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
STARTUP VOLTAGE vs. LOAD RESISTANCE
10
1
OUT
1
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
= 3.3V, V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
100
10
10
V
V
V
OUT
IN
R
BATT
OUT
LOAD
= 4.2V
V
IN
= 2.5V
= 5V
= 2V
V
(Ω)
IN
= +2V, T
= 1.5V
V
100
100
1k
IN
= 2.5V
V
IN
= 3.3V
A
= +25°C, circuit of Figure 1, T
1000
1000
10k
Typical Operating Characteristics
600
500
400
300
200
100
95
90
85
80
75
70
65
A
0
6
5
4
3
2
1
0
vs. INPUT VOLTAGE (SHUTDOWN, NO LOAD)
1.5
= +25°C, unless otherwise noted.)
1
OUTPUT VOLTAGE AND INPUT CURRENT
0
V
OUT
EFFICIENCY vs. LOAD CURRENT
MAXIMUM OUTPUT CURRENT
= 2.5V
1
vs. BATTERY VOLTAGE
2.5
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
LOAD CURRENT (mA)
10
2
V
OUT
V
OUT
3.5
= 3.3V
3
= 3.3V
I
V
BATT
V
OUT
IN
V
100
IN
= 1.5V
4
V
= 2.5V
OUT
4.5
V
= 5V
MAX8569 toc06
IN
5
= 2V
1000
5.5
6
6
5
4
3
2
1
0