rt9263ccx5 Richtek Technology Corporation, rt9263ccx5 Datasheet - Page 4

• Manufacturer Part Number: rt9263ccx5
• Description: High Efficiency Supply Current Step Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

RT9263
Pin Description
Absolute Maximum Ratings
• Package Thermal Resistance
www.richtek-ic.com.tw
4
RT9263CCX5 RT9263ECX5
Supply Voltage
LX Pin Switch Voltage
Other I/O Pin Voltages
LX Pin Switch Current
EXT Pin Driver Current
Power Dissipation, P
SOT89-5
SOT89-5, θ
Operating Junction Temperature
Storage Temperature Range
--
1
2
3
4
5
Pin No.
JA
D
--
1
2
3
4
5
@ T
A
= 25°C
Pin Name
EXT
CE
VDD
FB
LX
GND
Output pin for driving external NMOS or NPN
When driving an NPN, a resistor should be added for limiting base
Chip enable
RT9263CCX5 gets into shutdown mode when CE pin set to low.
Input positive power pin of RT9263
Feedback input pin
Internal reference voltage for the error amplifier is 1.25V.
Pin for switching
Ground
Pin Function
Preliminary
DS9263-00 November 2001
-0.3V to 6V
-0.3V to (VDD + 0.8V)
-0.3V to (VDD + 0.3V)
2.5A
30mA
0.5W
300°C/W
150°C
-65°C ~ +150°C