RT9218GS Richtek USA Inc, RT9218GS Datasheet - Page 7

• Manufacturer Part Number: RT9218GS
• Description: IC CTRLR PWM SYNC BUCK 14SOP
• Manufacturer: Richtek USA Inc

Specifications of RT9218GS

• Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
• Function: Any Function
• Number Of Outputs: 2
• Frequency - Switching: 300kHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 5V, 12V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Characteristics
DS9218-08 March 2007
(V
OUT
0.812
0.808
0.806
0.804
0.802
0.798
0.95
0.85
0.75
0.65
4.75
4.25
3.75
0.81
= 2.5V, unless otherwise specified )
0.9
0.8
0.7
0.6
4.5
3.5
0.8
1
4
-40
-40 -25 -10
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
Rising
Falling
Temperature
10
35
50
50
15
65
80
(°C)
80
20
95 110 125
110
140
25
UGATE
0.95
0.85
0.75
0.65
350
330
310
290
270
250
0.9
0.8
0.7
0.6
I
1
L
-40
0
V
V
CC
IN
V
I
R
OCSET
CC
OCSET
= 5V
= 5V
= 12V, V
Efficiency vs. Output Current
-10
Frequency vs. Temperature
= 20A
= 15kΩ
5
IN
20
Output Current (A)
= 5V
Time (5us/Div)
Temperature (°C)
10
OCP
50
15
RT9218
80
www.richtek.com
20
(10V/Div)
(10A/Div)
110
140
7
25