Agamem Microelectronic AA18375AP
The AA18375AP is a two-channel PWM DC-DC converter control IC that features low-voltage operation. This IC can obtain the step-up, step-down and inverting voltages with a small number of external components.FEATURES
● Wide supply voltage range: 3.6 V to 15 V● Low current consumption: 1.3 mA typical
● Control in a wide output frequency range is possible (1 kHz to 500 kHz).
● Timer latch, short-circuit protection circuit is built in.
● Circuit to prevent malfunction during low input voltage is built in.
● Built-in reference voltage (1.28V) output pin.
● Dead time period is adjustable over the whole range of duty ratio.
● Synchronization operation is possible. PIN Configuration (TOP VIEW) CT 1 RT 2 +IN1 3 -IN1 4 FB1 5 D.T.C.1 6 OUT1 7 GND 8 16 VREF 15 SCP 14 +IN2 13 -IN2 12 FB2 11 D.T.C.2 10 OUT2 9 VCC
APPLICATIONS
● LCD Displays● PDAs
● Digital Still Cameras
● Hand-held and portable instruments ©Copyright Agamem Microelectronics Inc. 1 2006/6/27 Agamem Microelectronics Inc. AA18375AP Switching Regulator Controller I/O I O I O I I — O
DESCRIPTION
IC power supply pin Output2 block push-pull type output pin PWM2 block dead-time setting pin Output pin of error amplifier 2 block Error amplifie...