MAX8546EUB+ Maxim Integrated Products, MAX8546EUB+ Datasheet
MAX8546EUB+
Specifications of MAX8546EUB+
Related parts for MAX8546EUB+
MAX8546EUB+ Summary of contents
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... MAX8545EUB -40°C to +85°C 10 µMAX MAX8545EUB+ -40°C to +85°C 10 µMAX MAX8546EUB -40°C to +85°C 10 µMAX MAX8546EUB+ -40°C to +85°C 10 µMAX -40°C to +85°C MAX8548EUB 10 µMAX MAX8548EUB+ -40°C to +85°C +Denotes a lead-free package. µMAX is a registered trademark of Maxim Integrated Products, Inc. ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND unless otherwise noted GND ............................................................-0.3V to +30V GND .............................-0.3V, lower (VL + 0.3V) CC ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit ELECTRICAL CHARACTERISTICS (continued 5V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL ERROR AMPLIFIER ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit ( 5V, typical values are EFFICIENCY vs. LOAD CURRENT (CIRCUIT OF FIGURE 1; TABLE 1a) 100 ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit ( 5V, typical values are CHANGE IN OUTPUT VOLTAGE vs. INPUT VOLTAGE 1.84 1.83 1.82 1.81 1.80 1.79 1.78 2.5 3.0 ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit ( 5V, typical values are STARTUP WAVEFORM 1ms/div SHORT-CIRCUIT WAVEFORM 1ms/div 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit PIN NAME Compensation Input. Pull COMP/EN low with an open-collector or open-drain device to turn 1 COMP/EN off the output Feedback Input. Connect a resistive-divider network to set ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit Detailed Description The MAX8545/MAX8546/MAX8548 are BiCMOS switch- mode power-supply controllers designed to implement simple, buck-topology regulators in cost-sensitive applications. The main power-switching circuit consists of two n-channel MOSFETs, an inductor, ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit from high-voltage inputs. With high input voltages, the required duty factor is approximately: + × OUT where ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit +2.7V TO +5.5V INPUT C10 C11 *FOLLOW THE DATA SHEET DESIGN PROCEDURE TO SELECT THE EXTERNAL COMPONENTS FOR THE MAX8545/MAX8548. Figure 1. Typical Application Circuit (2.7V ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit A limitation of sensing current across a MOSFET’s on- resistance is that the current-limit threshold is not accu- rate since MOSFET R specifications are not DS(ON) precise. This type of ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit with DH and DL to slow down the switching transitions. However, adding series resistors increases the power dissipation of the MOSFET, so ensure temperature rat- ings of the MOSFET are ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit has a gain drop of 40dB per decade, and a phase shift of 180°. The error amplifier must compensate for this gain drop and phase shift to achieve a stable ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit GENERATOR COMP/EN R2 C10 Figure 3. Compensation Scheme ground terminals flush against one another. Follow these guidelines for good PCB layout: 1) Keep the high-current paths short, especially at the ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit Table 1a. Component Selection for Standard Applications for V 5.5V 1. (Figure 1) OUT (MAX8546 Only) COMPONENT QTY DESCRIPTION 1µF, 10V X7R ceramic capacitors C1, C4 ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit Table 2a. Component Selection for Standard Applications for V 24V 2. (Figure 2) OUT (MAX8546 Only) COMPONENT QTY DESCRIPTION 1µF, 10V X7R ceramic capacitor C1 1 ...
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Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit Pin Configuration TOP VIEW COMP/ BST MAX8545 MAX8546 MAX8548 GND μMAX ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products 4X S ...