Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
kB3440
TYPICAL PERFORMANCE CHARACTERISTICS
Feedback Voltage Line Regulation
Error Amp Sink Current
PMOS RDS(ON)
90
80
70
60
430
410
390
370
0.30
0.25
0.20
0.15
V
= V
= 3.6V
V
= V
= 3.6V
OUT
V
IN
= V = 2.5V TO 5.5V
OUT
IN
OUT
IN
SWITCHES A AND D
350
0.10
–55
–25
5
35
65
95
125
–55 –25
5
35
65
95
125
–55 –25
5
35
65
95
125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
Boost Max Duty Cycle
Minimum Start Voltage
Current Limit
2.40
2.35
2.30
2.25
90
85
80
75
3000
2500
2000
1500
V
= V
= 60k
= 3.6V
OUT
V
= V
= 3.6V
OUT
IN
T
IN
R
PEAK SWITCH
AVERAGE INPUT
70
1000
–55 –25
5
35
65
95
125
–55 –25
5
35
65
95
125
–55
–25
5
35
65
95
125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
KINGBOR [ KINGBOR TECHNOLOGY CO ]
