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SC1204004, SC1205, SC1205C

Table of contents:
Info of SC1204004
Info of SC1205
Info of SC1205C

SC1204004, SC1205, SC1205C Selling Leads, Datasheet

MFG:SIEMENS Package Cooled:PLCC D/C:06+

SC1204004, SC1205, SC1205C Datasheet download

Five Points

Part Number: SC1204004

MFG: SIEMENS

Package Cooled: PLCC

D/C: 06+

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SC1205 General Description

The SC1205 is a cost effective Dual MOSFET Driver designed for switching High and Low side Power MOSFETs. Each driver is capable of driving a 3000pF load in 20ns rise/fall time and has a 20ns max propagation delay from input transition to the gate of the power FET's. An internal Overlap Protection Circuit prevents shoot-through from Vin to GND in the main switching and synchronous MOSFET's. The Overlap Protection circuit ensures the Bottom FET does not turn on until the Top FET source has reached a voltage low enough to prevent cross-conduction.

The high current drive capability (2A peak) allows fast switching, thus reducing switching losses at high (1MHz) PWM frequencies. The high voltage CMOS process allows operation from 5-25 Volts at top MOSFET drain, thus making SC1205 suitable for battery powered applications. Connecting Enable pin (EN) to logic low shuts down both drives and reduces operating current to less than 10uA.

An Under-Voltage-Lock-Out circuit is included to guarantee that both driver outputs are low when the 5V logic level is less than or equal to 4.4V (typ) at supply ramp up (4.35V at supply ramp down). An Internal temperature sensor shuts down all drives in the event of overtemperature. SC1205 is fabricated utilizing CMOS technology for low quiescent current. The SC1205 is offered in a standard SO-8 package.

SC1205 Maximum Ratings

Parameter	Symbol	Conditions	Maximum	Units
V_CC Supply Voltage	V_MAX5V		7	V
BST to PGND	VMAX_BST-PGND		30	V
BST to GND	VMAX_BST-DRN		7	V
DRN to PGND	VMAX_DRN-PGN		25	V
OVP_S to PGND	VMAX_{OVP_S-PGND}		10	V
Input Pin	CO		-0.3 to 8.3	V
Continuous Power Dissipation	Pd	T_amb = 25°C, TJ = 125°C T_case= 25°C, TJ = 125°C	0.66 2.56	W
Thermal Resistance Junction to Case	_V		40	°C/W
Thermal Resistance Junction to Ambient	_{_{_JA}}		150	°C/W
Operating Temperature Range	T_J		0 to +125	°C
Storage Temperature Range	T_STG		-65 to +150	°C
Lead Temperature (Soldering) 10 sec	T_LEAD		300	°C

SC1205 Features

• Fast rise and fall times (15ns typical with 3000pf load)
• 2Amp peak drive current
• 14ns max Propagation delay (BG going low)
• Adaptive Non-overlapping Gate Drives provide shoot-through protection
• Floating top drive switches up to 25V
• Under-Voltage lock-out
• Overtemperature protection
• Less than 10uA supply current when EN is low
• Low cost

SC1205 Typical Application

• High Density sunchronous power supplies
• Motor Drives/Class-D amps/Half bridge drivers
• High frequency (to 1.2 MHz) operation allows use of small inductors and low cost caps in place of electrolytics
• Portable computers
• Battery powered applications

SC1205 Connection Diagram

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