MAX8900A MAXIM [Maxim Integrated Products], MAX8900A Datasheet - Page 12

• Manufacturer Part Number: MAX8900A
• Manufacturer: MAXIM [Maxim Integrated Products]

(Circuit of Figure 1, V
1.2A Switch-Mode Li+ Chargers with ±22V Input
Rating and JEITA Battery Temperature Monitoring
12
V
I
V
I
BAT
V
BAT
V
BAT
LX
IN
IN
R
SETI
IN
3.6V
6V
= 2.87kI
1.2A
= 6V, V
BATTERY DISCONNECT
5V IN CONNECT
BAT
400µs/div
400µs/div
= 3.6V, T
R
SETI
4.2V
I
= 6.81kI
V
BAT
V
MAX8900A toc31
LX
MAX8900A toc33
IN
A
= +25NC, unless otherwise noted.)
Typical Operating Characteristics (continued)
SOFT-START INTO RESISTIVE
2V/div
5V/div
500mA/div
0A
5V/div
2V/div
500mA/div
0A
SOURCE (R
V
1I BETWEEN SOURCE AND IN
SOURCE
2ms/div
SETI
= 4.8V, V
= 2.87kI)
BAT
I
V
BAT
V
V
I
LX
BAT
BAT
IN
V
= 4V
IN
MAX8900A toc35
SOFT-START INTO RESISTIVE
4.2V
6V
SOURCE, R
5V/div
2V/div
500mA/div
0A
BATTERY CONNECT
2ms/div
20µs/div
SETI
V
V
1I BETWEEN
SOURCE AND IN
SOURCE
BAT
= 6.81kI
R
= 4V
SETI
3.6V
1.2A
= 4.8V,
= 2.87kI
MAX8900A toc32
MAX8900A toc34
5V/div
2V/div
500mA/div
0A
2V/div
2V/div
500mA/div
0A