RT9218GS Richtek USA Inc, RT9218GS Datasheet - Page 9

• 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

DS9218-08 March 2007
(100mV/Div)
(10V/Div)
(10A/Div)
UGATE
PGOOD
SV
SV
I
L
OUT
OUT
I
L
f = 1/20ms, SR = 2.5A/us
(1V/Div)
(500mV/Div)
(2A/Div)
V
I
OUT
CC
= 0A to 15A
Transient Response (Rising)
= V
IN
= 12V
Soft Start & PGOOD
Time (10ms/Div)
Time (5us/Div)
L = 2.2uH
C = 2000uF
(100mV/Div)
(10V/Div)
SV
(10A/Div)
UGATE
OUT
I
L
V
I
f = 1/20ms
SR = 2.5A/us
OUT
CC
= 15A to 0A
= V
Transient Response (Falling)
IN
= 12V
Time (25us/Div)
L = 2.2uH
C = 2000uF
RT9218
www.richtek.com
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