SM601R MICROSEMI | Alldatasheet
Document overview
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Technical content
FEATURES
- •••• Equivalent to the Unitrode PIC 600, 601, 602, 610, 611, 612
- •••• 5A current capability
- •••• Designed and characterized for switching regulator applications such as Buck, Boost, and Buck-Boost type
- •••• Cost saving design reduces size, improves efficiency, reduces noise and RFI
- •••• High operating efficiency at 2A typical performance - Rise and fall time < 75ns Efficiency > 85%
- •••• Electrically isolated, 4-pin, TO-66 hermetic case HIGH RELIABILITY FEATURES ♦♦♦♦♦ Available with high reliability processing
DESCRIPTION
The SM600/601/602 and SM610/611/612 series of Power Output Stages are especially designed to be driven with standard PWM integrated circuits to form an efficient switching power supply. The SM600, SM601 and SM602 are optimized for non-isolated Buck and Buck-Boost application, where SM610, SM611 and SM612 are best suited for DC-DC Boost type applications as well as negative output Buck Converters. The hybrid circuit construc- tion utilizes thick film resistors on a beryllia substrate for maxi- mum thermal conductivity and resultant low thermal impedance. All of the active elements in the hybrid are fully passivated. SM600/SM601/SM602 SM610/SM611/SM612 FUNCTIONAL DIAGRAM SM600/SM601/SM602/ SM610/SM611/SM612 SWITCHING REGULATOR POWER OUTPUT STAGES 4/90 Rev 1.1 2/94 LIN F INITY Microelectronics Inc. Copyright 1994 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841
SM600/SM601/SM602/SM610/SM611/SM612 4/90 Rev 1.1 2/94 LIN F INITY Microelectronics Inc. Copyright 1994 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 ABSOLUTE MAXIMUM RATINGS (Note 1) SM600 SM601 SM602 SM610 SM611 SM612 150°C -65°C to 150°C 300°C Operating Junction Temperature 4.0°C/W 4.0°C/W 60.0°C/W Thermal Resistance Note 1. Exceeding these ratings could cause damage to the device. R Package: Note A. Junction Temperature Calculation: TJ = TA + (PD x θJA). Note B. The above numbers for θJC are maximums for the limiting thermal resistance of the package in a standard mount- ing configuration. The θJA numbers are meant to be guidelines for the thermal performance of the device/pc- board system. All of the above assume no ambient airflow. RECOMMENDED OPERATING CONDITIONS (Note 2) SM600 SM601 SM602 SM610 SM611 SM612 Note 2. Range over which the device is functional.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply for the operating ambient temperature of TA = 25°C. Low duty cycle pulse testing tech- niques are used which maintains junction and case temperatures equal to the ambient temperature.) I4 = 2A(-2A), I3 = -20mA (20mA) I4 = 5A(-5A), I3 = -20mA (20mA) I4 = 2A(-2A) I4 = 5A(-5A) V4 = Rated input voltage V4 = Rated input voltage, TA = 125°C V1 = Rated output voltage V1 = Rated output voltage, TA = 125°C On-State Voltage (Note 3) Diode Forward Voltage (Note 3) Off-State Current Diode Reverse Current Test ConditionsParameter UnitsSG610/611/612 1.0 2.5 0.8 1.0 0.1 1.0 500 SG600/601/602 Note 3. Pulse test: Duration = 300µs, Duty Cycle ≤ 2%. -1.5 -3.5 -1.0 -1.5 -10 -10 V V V V µA µA µA µA -1.0 -2.5 -0.8 -1.0 -0.1 -10 -1.0 -500 1.5 3.5 1.0 1.5 Operating Ambient Temperature Range THERMAL DATA
SM600/SM601/SM602/SM610/SM611/SM612 4/90 Rev 1.1 2/94 LIN F INITY Microelectronics Inc. Copyright 1994 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 APPLICATION CIRCUITS (continued) FIGURE 5 - STEP UP (BOOST) CONVERTER 4-PIN TO-66 METAL CAN R - PACKAGE Ambient Temperature Range SM600R 0 °C to 70°C SM600HRR -55 °C to 125°C SM601R 0 °C to 70°C SM601HRR -55 °C to 125°C SM602R 0 °C to 70°C SM602HRR -55 °C to 125°C SM610R 0 °C to 70°C SM610HRR -55 °C to 125°C SM611R 0 °C to 70°C SM611HRR -55 °C to 125°C SM612R 0 °C to 70°C SM612HRR -55 °C to 125°C Part No.Package Connection Diagram CONNECTION DIAGRAMS & ORDERING INFORMATION (See Note Below) SM61X COMMON POSITIVE OUTPUT DRIVE POSITIVE INPUT NEGATIVE OUTPUT NEGATIVE INPUT DRIVECOMMON Note 1. All packages are viewed from the top. 2. Case is electrically isolated. 3. Consult factory for additional screening available.