AN1094

VIPer100-E major features

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1

VIPer100-E major features

●

Adjustable Switching Frequency up to 200 kHz

●

Optimized for current mode control topology

●

Inherent feedforward compensation

●

Soft-start and enable functions

●

Overcurrent protection

●

Overtemperature protection

●

Overvoltage protection

●

Undervoltage lock-out with hysteresis

●

Low standby current

●

Integrated start-up supply

●

Automatic burst mode operation in standby condition

●

Internally trimmed BANDGAP reference

Figure 2.

Block diagram

bsolete

Product(s)

- Obsolete

Pro

duc

OSC

COMP

DRAIN

SOURCE

13 V

UVLO

LOGIC

SECURITY

LATCH

PWM

LATCH

FF

FF

R/S

S

Q

S

R1

R2 R3

Q

OSCILLATOR

OVERTEMP.

DETECTOR

ERROR

AMPLIFIER

_

+

0.5 V

+

_

1.7

µ s

DELAY

250 ns

BLANKING

CURRENT

AMPLIFIER

ON/OFF

0.5V

1 V/A

_

+

+

_

4.5 V