RT9259AGS Richtek USA Inc, RT9259AGS Datasheet - Page 4

• Manufacturer Part Number: RT9259AGS
• Description: IC CTRLR PWM SYNC BUCK 14SOP
• Manufacturer: Richtek USA Inc

Specifications of RT9259AGS

• 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: 10.8 V ~ 13.2 V
• 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

RT9259A
www.richtek.com
4
Function Block Diagram
RT_DIS
VREF
GND
DRV
FBL
REF_OUT
Inhibit
VCC12
Shutdown
Oscillator
-
+
+
V
0.8V
REF1
Reference
Voltage
V
REF2
FB
0.4V
SSE
+
+
-
-
+
+
-
EA
Bias
COMP
+
-
PWM
On Reset
Power
Fault Logic
SSE
Soft-Start
&
POR
Inhibit
Driver
Logic
OC
Regulator
PH_M
5V
-
+
+
-
DS9259A-02 March 2007
1.5V
0.4V
5VDD
40uA
OCSET
VCC12
BOOT
UGATE
PHASE
LGATE
PGND