Product Summary

The SC4524ASETRT is a constant frequency peak current-mode step-down switching regulator capable of producing 2A output current from an input ranging from 3V to 28V. The switching frequency of the SC4524A is programmable up to 2MHz, allowing the use of small inductors and ceramic capacitors for iniaturization, and high input/output conversion ratio. The SC4524ASETRT is suitable for next generation XDSL modems, high-definition TVs and various point of load applications. Peak current-mode PWM control employed in the SC4524ASETRT achieves fast transient response with simple loop compensation. Cycle-by-cycle current limiting and hiccup overload protection reduces power dissipation during output overload. Soft-start function reduces input startup current and prevents the output from overshooting during power-up. The SC4524ASETRT is available in SOIC-8 EDP package.

Parametrics

Absolute Maximum Ratings: (1)VIN Supply Voltage: -0.3 to 32V; (2)BST Voltage: 42V; (3)BST Voltage above SW: 36V; (4)SS Voltage: -0.3 to 3V; (5)FB Voltage: -0.3 to VIN; (6)SW Voltage: -0.6 to VIN; (7)SW Transient Spikes (10ns Duration): -2.5V to VIN +1.5V; (8)Peak IR Reflow Temperature: 260°C; (9)ESD Protection Level(2): 2000V.

Features

Features: (1)Wide input range: 3V to 28V; (2)2A Output Current; (3)200kHz to 2MHz Programmable Frequency; (4)Precision 1V Feedback Voltage; (5)Peak Current-Mode Control; (6)Cycle-by-Cycle Current Limiting; (7)Hiccup Overload Protection with Frequency Foldback; (8)Soft-Start and Enable; (9)Thermal Shutdown; (10)Thermally Enhanced 8-pin SOIC Package; (11)Fully RoHS and WEEE compliant.

Diagrams

<IMG src="http://www.seekic.com/uploadfile/ic-mfg/20113713652685.jpg" border=0>

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
SC4524ASETRT
SC4524ASETRT


IC REG BUCK 2A 8SOIC

Data Sheet

Negotiable 
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(USD)
Quantity
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SC45

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Data Sheet

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Data Sheet

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Data Sheet

0-1: $0.73
1-25: $0.49
25-100: $0.42
100-1000: $0.39
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SC4502HMLTRT


IC REG BOOST ADJ 1.4A 10MLPD

Data Sheet

0-1: $1.39
1-25: $0.93
25-100: $0.80
100-1000: $0.75
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Data Sheet

0-1: $0.92
1-25: $0.62
25-100: $0.53
100-1000: $0.50
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SC4503WLTRT


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Data Sheet

0-1: $0.91
1-25: $0.61
25-100: $0.52
100-1000: $0.49