BIT3715
Features
: y y y y y y y y y Near Zero Stand By Current 4.5V ~ 8.0V operation Fixed High Frequency, Voltage Mode PWM Control Topology Latched Off Protection Build-In 2nd Low Frequency PWM Generator Build-In UVLO Low Power CMOS Process Totem Pole Output 16 Pin Package
General Description
:
BIT3715 integrated circuit provides the essential PWM features for DC/DC conversion purpose in a small low cost 16-pin package. Another built-in low frequency PWM generator provides user more flexible applications. BIT3715 provides latched off protection feature may make the system more reliable. CMOS process makes BIT3715 consumes less power while paring to conventional bipolar products.
Remended Operating Condition:
Supply Voltage…………………………….4.5 ~ 8.0V Operating Ambient Temperature………...-20 ~ 85 ℃ Operating Frequency………………….….50K ~ 400K Hz
Functional Block Diagram:
MODSEL PWMDC CTPWM PWMOUT
OUTADJ LOAD
ISEN
2.5V
Latch Low Frequency PWM Generator
..
60u A
1.0V CLOCK_L PRT CLOCK_L Adaptive...
