rt9214 Richtek Technology Corporation, rt9214 Datasheet - Page 6

• Manufacturer Part Number: rt9214
• Description: 5v/12v Synchronous Buck Dc-dc Controller
• Manufacturer: Richtek Technology Corporation

6
Typical Operating Characteristics
www.richtek.com
RT9214
(V
OUT
0.812
0.808
0.806
0.804
0.802
0.798
0.95
0.85
0.75
0.65
0.81
4.75
4.25
3.75
= 2.5V, unless otherwise specified )
0.9
0.8
0.7
0.6
0.8
4.5
3.5
1
4
-40 -25 -10
-40
0
V
V
V
V
Reference Voltage vs. Temperature
CC
IN
CC
IN
= 5V
= 5V
= 12V
= 12V
-10
Efficiency vs. Output Current
5
POR vs. Temperature
5
Output Current (A)
20
20
Temperature (°C)
Rising
Falling
Temperature
10
35
50
50
15
65
80
(°C)
80
20
95 110 125
110
140
25
UGATE
V
0.95
0.85
0.75
0.65
350
330
310
290
270
250
OUT
0.9
0.8
0.7
0.6
V
I
OUT
1
CC
-40
0
V
V
CC
IN
V
V
I
CC
OUT
IN
= 5V
= 5V
= 5V
= 12Vto 5V
= 10A
Efficiency vs. Output Current
-10
Frequency vs. Temperature
5
20
Output Current (A)
V
Time (10ms/Div)
Temperature (°C)
CC
DS9214-02
10
Switching
50
15
80
December 2004
(100mV/Div)
(10A/Div)
20
110
(10V/Div)
(20V/Div)
140
25