RS6501 Datasheet, PDF (1/8 Pages) Orister Corporation – 150KHz, 40V, 2A PWM Buck DC/DC Converter

RS6501
150KHz, 40V, 2A PWM Buck DC/DC Converter
Page No. : 1/8
General Description
The RS6501 is Monolithic IC that design for a step‐down DC/DC Converter, and own the ability of driving a 2A load without
additional transistor component.
The output version included 3.3V, 5V, 12V and an adjustable type. It operates at a switching frequency of 150KHz thus
allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Other
features include a guaranteed ±4% tolerance on output voltage under specified input voltage and output load conditions,
and ±15% on the oscillator frequency. Regarding protected function, thermal shutdown is to prevent over temperature
operating from damage, and current limit is against over current operating of the output switch.
Features
Applications
● 3.3V, 5V, 12V and adjustable
● Adjustable version output voltage range: 1.23‐37V
● ±4% max over line and load conditions
● 150KHz ±15% fixed switching frequency
● TTL shutdown capability
● Operating voltage can be up to 40V
● Output load current: 2A
● SOP‐8 package
● Low power standby mode
● Thermal‐shunt down and current‐limit protection
● Built‐in switching a transistor on chip, requires only 4
external components
● Simple High‐efficiency step‐down regulator
● Positive to negative converter
● On‐card switching regulators
Application Circuits
VCC_INPUT
C1 +
R1
C2 3.1K(0805)
R2
1K(0805)
U1
1
2 ^VIN
GND
8
7
3
4
Output
FB
SD
GND
GND
GND
6
5
RS6501-ADS
L1
1
33uH
2
+5.0V
R1
10
C4 + C5
C3
1000pF
D1
Adjustable Output Voltage Version
This integrated circuit can be damaged by ESD. Orister Corporation recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
DS‐RS6501‐06 September, 2010
www.Orister.com