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SDC3844

SDC
Part Number SDC3844
Manufacturer SDC
Description Current Mode PWM Controller
Published Jun 7, 2016
Detailed Description Current Mode PWM Controller Datasheet SDC3842/3843/3844/3845 General Description Features The SDC384X are high perfo...
Datasheet PDF File SDC3844 PDF File

SDC3844
SDC3844

Overview
Current Mode PWM Controller Datasheet SDC3842/3843/3844/3845 General Description Features The SDC384X are high performance fixed frequency current-mode PWM controller series.
These integrated Tcircuits are optimized for off-line and DC-DC converter Napplications with minimum external components.
They Efeature under-voltage lockout (UVLO) circuit with low start-up current, trimmed oscillator for precise duty Mcycle control, current sense comparator providing maximum current limiting and a totem pole output Ustage for increasing output current.
In addition, these CICs also feature accurate protection against over-temperature, over-current and maximal output Opower.
DThe SDC3842 and SDC3844 have UVLO thresholds of L16V(ON) and 10V(OFF); The corresponding thresholds IAfor SDC3843 and SDC3845 are 8.
4V(ON) and 7.
6V(OFF).
The SDC3842 and SDC3843 can operate approaching T100% duty cycle; SDC 3844 and SDC3845 can operate CONFIDENfrom zero to 50% duty cycle.
 Start-up current: 0.
15mA  Low...


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