ML4822CS, ML4822IS, ML4823 Selling Leads, Datasheet
MFG:ML Package Cooled:SMD D/C:01+
ML4822CS, ML4822IS, ML4823 Datasheet download
Part Number: ML4822CS
MFG: ML
Package Cooled: SMD
D/C: 01+
ML4822CS, ML4822IS, ML4823
- Table of contents:
Info of ML4822CS
Info of ML4822IS
Info of ML4823
Attentive hint
Want to post a buying lead? If you are not a member yet, please select the specific/related part number first and then fill the quantity and your contact details in the "Request for Quotation Form" on the left, and then click "Send RFQ".Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.
Top Sellers:
TOP
About ML4822CS
PDF/DataSheet Download
Datasheet: ML4822CS
File Size: 206547 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4822IS
PDF/DataSheet Download
Datasheet: ML4822IS
File Size: 206547 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4823
PDF/DataSheet Download
Datasheet: ML4823
File Size: 124475 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
ML4823 General Description
The ML4823 High Frequency PWM Controller is an IC controller optimized for use in Switch Mode Power Supply designs running at frequencies to 1MHz. Propagation delays are minimal through the comparators and logic for reliable high frequency operation while slew rate and bandwidth are maximized on the error amplifier. This controller is designed for single-ended applications using voltage or current mode and provides for input voltage feed forward.
A 1V threshold current limit comparator provides cycleby- cycle current limit and exceeding a 1.4V threshold initiates a soft-start cycle. The soft start pin doubles as a maximum duty cycle clamp. All logic is fully latched to provide jitter-free operation and prevent multiple pulsing. An under-voltage lockout circuit with 800mV of hysteresis assures low startup current and drives the outputs low during fault conditions.
This controller is an improved second source for the UC3823 controller; however, the ML4823 includes features not found on the 3823. These features are set in italics.
ML4823 Maximum Ratings
Supply Voltage (VC, VCC) ........................................... 30V
OUTPUT Current, Source or Sink
DC ............................................................................. 0.5A
Pulse (0.5µs) ............................................................. 2.0A
Analog Inputs
(INV, NI, RAMP, SS, ILIM) ....................... GND 0.3V to 6V
CLOCK OUTPUT Current ......................................... 5mA
F/A OUT Current .........................................................5mA
SOFT START Sink Current ..........................................20mA
RT Charging Current ............................................... 5mA
Junction Temperature ............................................ 125°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ................... 260°C
Thermal Resistance (JA)
Plastic DIP ........................................................... 80°C/W
Plastic SOIC........................................................ 105°C/W
Plastic Chip Carrier (PLCC) .................................. 78°C/W
OUTPUT Current, Source or Sink
DC ............................................................................. 0.5A
Pulse (0.5µs) ............................................................. 2.0A
Analog Inputs
(INV, NI, RAMP, SS, ILIM) ....................... GND 0.3V to 6V
CLOCK OUTPUT Current ......................................... 5mA
F/A OUT Current .........................................................5mA
SOFT START Sink Current ..........................................20mA
RT Charging Current ............................................... 5mA
Junction Temperature ............................................ 125°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ................... 260°C
Thermal Resistance (JA)
Plastic DIP ........................................................... 80°C/W
Plastic SOIC........................................................ 105°C/W
Plastic Chip Carrier (PLCC) .................................. 78°C/W
ML4823 Features
·Practical operation at switching frequencies to 1.0MHz
·High current (2A peak) totem pole output
·Wide bandwidth error amplifier
·Fully latched logic with double pulse suppression
·Pulse-by-pulse current limiting
·Soft start and max. duty cycle control
·Under voltage lockout with hysteresis
·5.1V trimmed bandgap reference
·Low start-up current (1.1mA)
·Pin compatible improved replacement for UC3823
·Fast shut down path from current limit to output
·Soft start latch ensures full soft start cycle
·Outputs pull low for undervoltage lockout
·High current (2A peak) totem pole output
·Wide bandwidth error amplifier
·Fully latched logic with double pulse suppression
·Pulse-by-pulse current limiting
·Soft start and max. duty cycle control
·Under voltage lockout with hysteresis
·5.1V trimmed bandgap reference
·Low start-up current (1.1mA)
·Pin compatible improved replacement for UC3823
·Fast shut down path from current limit to output
·Soft start latch ensures full soft start cycle
·Outputs pull low for undervoltage lockout
ML4823 Connection Diagram
MT58L64L18CT-10
Price: 4-6 USD
MT58L64L18CT-10 TQFP100
DL-7140-211M
Price: 5-6.5 USD
DL-7140-211M laser tube
74LVC74APG
Price: 4-5 USD
74LVC74APG - IC FLIP FLOP D-Type POS-EDG DUAL 14TSSOP
CY28346ZI-2
Price: 6.5-8 USD
CYPRESS - Clock Synthesizer with Differential CPU Outputs
PI5V330QEX
Price: 0.284-0.286 USD
PI5V330QEX Pericom Multiplexer Switch ICs
BSM300GA120DN2
Price: 1-2 USD
IGBT power module, Single switch, 1200 V, Collector-emitter voltage, 430A
SVA150XG04TB
Price: 1-2 USD
a-Si TFT-LCD, NEC, 228.096Hmm, 560V
PC354N1
Price: 0.124-0.2 USD
PC354N1T - Mini-flat Package, AC Input Type Photocoupler - Sharp Electrionic Components
RL1210JR-070R22L
Price: 0.177-0.178 USD
RL1210JR51-XX-BL - Thick Film Chip Resistor Low Ohmic - TAITRON Components Incorporated
STPS140A
Price: 0.053-0.055 USD
STPS140A - POWER SCHOTTKY RECTIFIER - STMicroelectronics
STA013
Price: 1.45-1.5 USD
STA013 - MPEG 2.5 LAYER III AUDIO DECODER - STMicroelectronics
SMBJ5347B
Price: 0.073-0.075 USD
SMBJ5347B - 5 Watt Surface Mount Silicon Zener Diodes - Micro Commercial Components
