VIPER53ESP
DESCRIPTION
The VIPer53E bines in the same package an enhanced current mode PWM controller with a high voltage MDMesh Power Mosfet.
- Efficient standby mode by enhanced pulse skipping.
Integrated startup current source disabled during the normal operation to reduce the input power.
Table 2. Order Codes
Package
DIP-8 Power SO-10™
Tube
VIPer53EDIP VIPer53ESP
Tape And Reel
- VIPer53ESP13TR
September 2004
Rev. 1 1/22
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
VIPER53EDIP / VIPER53ESP
Figure 2. Block Diagram
ON/OFF
OSCILLATOR
UVLO PARATOR
8.4/ 11.5V
8V
OVERTEMP. DETECTOR
LATCH R1 S
FF Q R2 R3 R4 R5
125k 4V
OVERVOLTAGE PARATOR
18V
TOVL
DRAIN
BLANKING TIME SELECTION
PWM PARATOR 150/400ns BLANKING
STANDBY PARATOR
OVERLOAD PARATOR
1V 0.5V
0.5V 4.4V
CURRENT AMPLIFIER...
