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MAX5003ESE
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MFG:MAXIM Package Cooled:SO D/C:8

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Part Number: MAX5003ESE

MFG: MAXIM

Package Cooled: SO

D/C: 8

Description: The MAX5003 high-voltage switching power-supply controller has all the features and building blocks need-ed for a cost-...

MAX5003ESE General Description

The MAX5003 high-voltage switching power-supply controller has all the features and building blocks need-ed for a cost-effective flyback and forward voltage-mode control converter. This device can be used to design both isolated and nonisolated power supplies with multiple output voltages that operate from a wide range of voltage sources. It includes a high-voltage internal start-up circuit that operates from a wide 11V to 110V input range. The MAX5003 drives an external N-channel power MOSFET and has a current-sense pin that detects overcurrent conditions and turns off the power switch when the current-limit threshold is exceeded. The choice of external power MOSFET and other external components determines output voltage and power.
The MAX5003 offers some distinctive advantages: soft-start, undervoltage lockout, external frequency synchro-nization, and fast input voltage feed-forward. The device is designed to operate at up to 300kHz switch-ing frequency. This allows use of miniature magnetic components and low-profile capacitors. Undervoltage lockout, soft-start, switching frequency, maximum duty cycle, and overcurrent protection limit are all adjustable using a minimum number of external components. In systems with multiple controllers, the MAX5003 can be externally synchronized to operate from a common sys-tem clock.

MAX5003ESE Maximum Ratings

ABSOLUTE MAXIMUM RATINGS
V+ to GND............................................................-0.3V to +120V
ES to GND ..............................................................-0.3V to +40V
VDD to GND............................................................-0.3V to +19V
VCC to GND.........................................................-0.3V to +12.5V
MAXTON, COMP, CS, FB, CON to GND..................-0.3V to +8V
NDRV, SS, FREQ to GND...........................-0.3V to (VCC + 0.3V)
INDIV, REF to GND.................................................-0.3V to +4.5V
VCC, VDD, V+, ES Current ................................................±20mA
NDRV Current, Continuous...............................................±25mA
NDRV Current, 1µs .............................................................±1A
CON and REF Current ......................................................±20mA
All Other Pins ....................................................................±20mA
Continuous Power Dissipation (TA = +70°C)
16-Pin SO (derate 9.5mW/°C above +70°C)...............762mW
16-Pin QSOP (derate 8.3mW/°C above +70°C)..........667mW
Maximum Junction Temperature (TJ) ..............................+150°C
Operating Temperature Ranges
MAX5003C_E ....................................................0°C to +70°C
MAX5003E_E ..................................................-40°C to +85°C
Operating Junction Temperature (TJ) .............................+125°C
16-Pin SO JA.................................................................105°C/W
16-Pin QSOP JA............................................................120°C/W
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C

MAX5003ESE Features

Wide Input Range: 11V to 110V
Internal High-Voltage Startup Circuit
Externally Adjustable Settings
Output Switch Current Limit
Oscillator Frequency
Soft-Start
Undervoltage Lockout
Maximum Duty Cycle
Low External Component Count
External Frequency Synchronization
Primary or Secondary Regulation
Input Feed-Forward for Fast Line-Transient
Response
Precision ±2.5% Reference over Rated
Temperature Range

MAX5003ESE Typical Application

Telecommunication Power Supplies
ISDN Power Supplies
+42V Automobile Systems
High-Voltage Power-Supply Modules
Industrial Power Supplies

MAX5003ESE datasheet

MAX5003ESE
PDF/DataSheet Download

Datasheet: MAX5003ESE
File Size: 174273 KB
Manufacturer: MAXIM [Maxim Integrated Products]
Click here to Download

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