RT2701
Typical Operating Characteristics
Efficiency vs. Load Current
100
90
80
Efficiency vs. Load Current
100
90
Efficiency (%)
60
50
40
30
20
10
0
0
5
10
Efficiency (%)
70
Phase 2 Active
80
70
60
50
40
30
20
V
IN
= V
CC
= 12V, V
OUT
= 1.1V
15 20 25 30 35 40
45 50 55 60
10
0
0.01
0.1
V
IN
= V
CC
= 12V, V
OUT
= 1.1V
1
10
Load Current (A)
Load Current (A)
T
ON
vs. Temperature
360
355
350
345
2.04
2.03
2.02
V
REF
vs. Temperature
T
ON
(ns)
340
335
330
325
320
315
-50
-25
0
25
V
REF
(V)
V
IN
= V
CC
= 12V, No Load
2.01
2.00
1.99
1.98
1.97
1.96
V
IN
= V
CC
= 12V, No Load
-50
-25
0
25
50
75
100
125
50
75
100
125
Temperature (°C)
Temperature (°C)
Inductor Current vs. Output Current
35
30
Power On from EN
V
IN
= V
CC
= 12V, I
OUT
= 50A
Inductor Current (A)
25
20
15
10
5
0
20
25
30
35
40
45
V
EN
(10V/Div)
Phase 1
Phase 2
V
OUT
(1V/Div)
UGATE1
(50V/Div)
UGATE2
(50V/Div)
Time (1ms/Div)
V
IN
= V
CC
= 12V
50
55
60
Output Current (A)
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2701-00 May 2013
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
