PWM Controller
TDA4605-2 / TDA4605-3
Control IC for Switched-Mode Power Supplies
using MOS Transistor
C
Fold-back characteristic protects external components
C
Burst mode at secondary short-circuit
C
Protection against open or a short of the control loop
C
Mains undervoltage lock-out
C
Soft-start for quiet start-up without noise
C
Chip-over temperature protection
C
Not for new designs, replaced by TDA16846
ICE1QS01
SMPS Controller with very few peripheral components,
featuring Advanced Burst Mode, Frequency Reduction
and Power Factor Correction
C
Line current consumption with PFC
C
Stable standby frequency of 20 kHz
C
Advanced burst mode
<
1 W @ 350 mW sec. power
C
Soft-start for noiseless start-up
C
Digital frequency reduction for higher efficiency
and no-jitter designs
C
Over and undervoltage protection
C
Fold-back point correction for stable output power
TDA16846 / TDA16847
SMPS Controller Supporting Low-power Standby and
Power Factor Correction
C
Line current consumption with PFC
C
Stable and adjustable standby frequency
C
Very low start-up current
C
Soft-start for quiet start-up
C
Freely usable fault comparators
C
Synchronization and fixed frequency facility
C
Over and undervoltage lock-out
C
Switch off at mains undervoltage
C
Temporary high-power circuit (only TDA16847)
C
Mains voltage dependent fold-back point correction
C
Continuous frequency reduction with decreasing load
C
Adjustable ringing suppression time
independent of line voltage variations
C
Ringing suppression time controlled by output power
C
Additional fault comparator optionally useable
TDA16850-2
SMPS Controller for CRT Monitors
C
Controller for fly-back topology
C
Current mode PWM with spike blanking
C
Leading edge triggered pulse with modulation
C
Fast, soft switching totem pole gate drive (1 A)
C
Soft-start management for safe start-up
C
Off mode with power consumption less than 1 W
C
Fast and slow peak current limitation
C
All protection features available
10
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