UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply
Category:
Integrated Circuits IC
Price:
Negotiated
Payment Method:
T/T, Western Union
Specifications
Description:
Current Mode PWM Controller 1.5A 1000kHz 20-Pin CLLCC
Products Name:
UC1823L883B UC1823 High Speed PWM Controller Integrated Circuits IC
Category:
Electronic Components-Integrated Circuits(IC)
Applications:
High Frequency Switched Mode Power Supply
Package:
CLCC/DIP/SMD
Lead Free Status:
RoHS Compliant, PB Free, Lead Free
Operating Temperature:
-40°C ~ 85°C
Condition:
New And Original Parts
High Light:
PWM Controller Integrated Circuits IC
,UC1823L883B Integrated Circuits IC
,UC1823 Integrated Circuits IC
Introduction
Integrated Circuits IC Texas Instruments (Electronic Components )
UC1823L883B UC1823 High Speed PWM Controller Integrated circuits IC for high frequency switched mode power supply
Description:
The UC1823 family of PWM control ICs is optimized for high frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage-mode systems with the capability for input voltage feed-forward.
Protection circuitry includes a current limit comparator, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty cycle clamp. The logic is fully latched to provide jitter free operation and prohibit multiple pulses at the output. An under-voltage lockout section with 800mV of hysteresis assures low start up current. During under-voltage lockout, the output is high impedance. The current limit reference (pin 11) is a DC input voltage to the current limit comparator. Consult specifications for details.
These devices feature a totem pole output designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on state is defined as a high level.
- Specifications:
| Category | Integrated Circuits (ICs) |
| High Speed PWM Controller IC | |
| Mfr | Texas Instruments |
| Series | UCC |
| Package | Tray & Reel (TR) |
| Part Status | Active |
| PLL | Yes |
| Main Purpose | General purpose |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount/Though Hole |
| Package / Case | SOIC/DIP/CLCC |
| Product Base Number | UC1823 |
| Topology | Boost, Buck, Flyback, Forward |
| Duty cycle (Max) (%) | 85 |
| Supply voltage (Max) (V) | 12 |
| UVLO thresholds on/off (V) | 9.2/8.4 |
| Features | Error Amplifier, Multi-topology, Soft Start, Synchronization Pin |
| Operating temperature range (C) | -55 to 125 |
| Rating | Military |
| Frequency (Max) (kHz) | 1000 |
| Gate drive (Typ) (A) | 1.5 |
- Features:
-
Compatible with Voltage or Current-Mode TopologiesPractical Operation @ Switching Frequencies to 1.0MHz50ns Propagation Delay to OutputHigh Current Totem Pole Output (1.5A peak)Wide Bandwidth Error AmplifierFully Latched Logic with Double Pulse SuppressionPulse-by-Pulse Current LimitingSoft Start/Max. Duty Cycle ControlUnder-Voltage Lockout with HysteresisLow Start Up Current (1.1mA)Trimmed Bandgap Reference (5.1V ±1%)
Environmental & Export Classifications:
| ATTRIBUTE | DESCRIPTION |
|---|---|
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
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| UC1842 | 5962-8670406VXA | 5962-8670405PA |
| UC1842-SP | 5962-8670409VPA | 5962-8670405XA |
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| UC1844A | 5962-8670407PA | 5962-8670406PA |
| UC1844A | 5962-8670407XA | 5962-8670406XA |
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| UC2524A | UC2524ADW | 5962-8670404VPA |
| UC2524A | UC2524ADWTR | 5962-8670404VXA |
| UC2524A | UC2524AN | 5962-8670408PA |
| UC2525A | UC2525ADW | 5962-8670408XA |
| UC2525A | UC2525ADWTR | UC1845AJ883B |
| UC2525A | UC2525AN | UC1845AL883B |
| UC2525A | UC2525BDW | UC1845AMDREP |
| UC2525A | UC2525BN | UC1845AMDREPG4 |
| UC2525B | UC2525BDWTR | V62/03625-04YE |
| UC2526 | UC2526N | 5962-8670408VPA |
| UC2526A | UC2526ADW | 5962-8670408VXA |
| UC2526A | UC2526ADWTR | 5962P8670411VPA |
| UC2526A | UC2526AN | 5962P8670411VYC |
| UC2527A | UC2527AN | 5962-86806012A |
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| UC28025 | UC28025N | V62/06606-01XE |
| UC2823 | UC2823DW | 5962-9453001M2A |
| UC2823 | UC2823DWTR | 5962-9453001MEA |
| UC2823 | UC2823N | UC1856J883B |
| UC2823A | UC2823ADW | UC1856L20883B |
| UC2823A | UC2823ADWTR | 5962-9453001VEA |
| UC2823A | UC2823AN | 5962-9453001VXC |
| UC2823B | UC2823BDW | 5962-9203103Q2A |
| UC2824 | UC2824DW | 5962-9203103QEA |
| UC2824 | UC2824N | UC2841DW |
| UC2825 | UC2825DW | UC2841N |
| UC2825 | UC2825DWTR | UC2842D |
| UC2825 | UC2825N | UC2842D8 |
| UC2825A | UC2825ADW | UC2842D8TR |
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| UC2827-2 | UC2827DW-2 | UC2842ADWTR |
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