AAT1151IKS-1.0-T1 AnalogicTech, AAT1151IKS-1.0-T1 Datasheet
AAT1151IKS-1.0-T1
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AAT1151IKS-1.0-T1 Summary of contents
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General Description The AAT1151 SwitchReg™ member of Analogic Tech's Total Power Management IC™ product family. The step-down switching converter is ideal for applications where high efficiency is required over the full range of the output load con- ditions. ...
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Pin Descriptions Pin # Symbol MSOP-8 QFN33- SGND VCC 5 10, 11 13, 14 PGND 8, 16 n/c Pin ...
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Absolute Maximum Ratings Symbol Description GND GND GND GND EN T Operating Junction Temperature Range J V ESD ...
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Electrical Characteristics ( 5V -40 to 85°C unless otherwise noted. Typical values are Symbol Description V Input Voltage Range IN V Output Voltage Tolerance OUT V Under ...
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Typical Characteristics Output Ripple 1.8V 50mA V Circuit of Figure -10 -20 -30 -40 -50 -60 Time (2µ µ s/div) Output Ripple 1.8V 0.7A V Circuit of Figure -10 -20 -30 -40 ...
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Typical Characteristics No Load Supply Current vs. Input Voltage 250 200 T = 85°C 150 T = 25°C 100 T = -40° 2.5 3 3.5 4 Input Voltage (V) Output Voltage vs. Temperature 1.794 1.792 1.79 1.788 1.786 ...
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Functional Block Diagram 1.0V REF FB Operation Control Loop The AAT1151 is a peak current mode buck con- verter. The inner, wide bandwidth loop controls the peak current of the output inductor. The output inductor current is sensed through the ...
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Current Limit and Over-temperature Protection For overload conditions the peak input current is lim- ited. Figure 1 displays the VI current limit character- istics. As load impedance decreases and the output voltage falls closer to zero, more power is dissipated ...
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A 100uF X5R or X7R ceramic capacitor provides suffi- cient bulk capacitance to stabilize the output during large load transitions and has ESR and ESL charac- teristics necessary for low output ripple. The ...
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Figure 2: MSOP Evaluation Board Top Layer Figure 4: QFN Evaluation Board Top Side Thermal Calculations There are two types of losses associated with the AAT1151 output switching MOSFET, switching loss- es and conduction losses. The conduction losses are associated ...
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Figure 6: R3 vs. V 2.7V-5.5V C1 10µF C1 Murata 10µF 6.3V X5R GRM42-6X5R106K6.3 C2 MuRata 100µF 6.3V GRM43-2 X5R 476M 47µF 6.3V L1 Sumida CDRH3D16-3R3 NC 1151.2003.11.0.91 850kHz 700mA Synchronous Buck DC/DC Converter 45 R4=10kΩ ...
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Design Example Specifications I 0.7A OUT I 40% of full load at max V RIPPLE IN V 1.5V OUT V 2.7-4.2 V (3.6V nominal 850 kHz 85°C AMB Maximum input capacitor ripple: V ...
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AAT1151 dissipation · (R · DSON(H) O DSON( TOTAL (0.7 ) · (0.2Ω · 1.5V + 0.187Ω · (4.2V - 1.5V)) = 4.2V + Θ · ...
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... Synchronous Buck DC/DC Converter Package Marking 2 MSOP-8 JHXYY JHXYY MSOP-8 JIXYY MSOP-8 JJXYY MSOP-8 1.95 BSC 0.254 BSC 3.00 ± 0.10 10° ± 5° 0.65 BSC 0.30 ± 0.08 AAT1151 Part Number (Tape and Reel) AAT1151IKS-1.0-T1 AAT1151IVN-1.0-T1 AAT1151IKS-1.8-T1 AAT1151IKS-2.5-T1 4° ± 4° 0.60 ± 0.20 0.155 ± 0.075 1151.2003.11.0.91 ...
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Pin 1 Dot By Marking SLP 16L (3 × 3mm) 3.000 BSC Top View All dimensions in millimeters. 1151.2003.11.0.91 850kHz 700mA Synchronous Buck DC/DC Converter QFN33-16 0.230 ± 0.050 1.500 REF Bottom View 0.203 ± 0.0254 ...
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... AnalogicTech reserves the right to make changes to their products or specifications or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. AnalogicTech warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with AnalogicTech’ ...