rt9275 Richtek Technology Corporation, rt9275 Datasheet - Page 5

no-image

rt9275

Manufacturer Part Number
rt9275
Description
Tiny Package, High Efficiency, Step-up Dc/dc Converter
Manufacturer
Richtek Technology Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
rt9275CS1
Manufacturer:
RICHTEK
Quantity:
968
Part Number:
rt9275PE
Manufacturer:
RICHTEK/立锜
Quantity:
20 000
Typical Operating Characteristics
DS9275-06 March 2007
500
450
400
350
300
250
200
150
100
100
2.6
2.4
2.2
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
50
95
90
85
80
75
70
65
60
55
50
0
2
1
0
-20 -10
-20 -10
1
V
V
V
IN
IN
OUT
Efficiency vs. Output Current
= 2V, V
= 2V, V
= 5V, T
Current Limit vs. Temperature
Frequency vs. Temperature
0
0
OUT
OUT
A
10
10
= 25°C
Temperature
Output Current (mA)
Temperature
= 3.3V, I
= V
10
20
20
DD
= 3.3V
30
30
LOAD
40
40
= 60mA
(°C)
(°C)
50
50
100
60
60
V
V
V
V
V
V
V
70
70
IN
IN
IN
IN
IN
IN
IN
= 4.5V
= 4.0V
= 3.5V
= 3.0V
= 2.5V
= 2.0V
= 1.5V
Preliminary
80
80
1000
90
90
1.252
1.248
1.246
1.244
1.25
3.32
3.31
3.29
3.28
3.27
3.26
3.25
3.3
95
90
85
80
75
70
65
60
55
50
-20
1
1
V
V
V
IN
OUT
V
V
V
V
V
OUT
Output Voltage vs. Output Current
IN
IN
IN
IN
IN
= 2V, V
= 3.3V, T
= 3.0V
= 2.5V
= 2.0V
= 1.5V
= 1.0V
= 3.3V
Efficiency vs. Output Current
Feedback vs. Temperature
0
OUT
Temperature
A
= 3.3V, I
Output Current (mA)
Output Current (mA)
= 25°C
10
10
20
LOAD
= 60mA
(°C)
40
RT9275
100
100
www.richtek.com
V
V
V
V
V
60
IN
IN
IN
IN
IN
= 3.0V
= 2.5V
= 2.0V
= 1.5V
= 1.0V
1000
1000
5
80

Related parts for rt9275