(China (Mainland))
Product Summary
The TPS62420DRCR is a synchronous dual step-down DC-DC converter optimized for battery powered portable applications. It provides two independent output voltage rails powered by 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3V or 5V. The applications of the TPS62420DRCR include Cell Phones, Smart-phones, PDAs, Pocket PCs, OMAP and Low Power DSP Supply, Portable Media Players, Digital Radio and Digital Cameras.
Parametrics
TPS62420DRCR absolute maximum ratings: (1)Input voltage range on VIN: -0.3 to 7 V; (2)Voltage range on EN, MODE/DATA, DEF_1: -0.3 to V IN +0.3, ≤ 7 V; (3)Maximum Current into MODE/DATA: 500 μ A; (4)Voltage on SW1, SW2: -0.3 to 7 V; (5)Voltage on ADJ2, FB1: -0.3 to V IN +0.3, ≤ 7 V; (6)ESD rating, HBM Human body nodel: 2 kV; Charge device model: 1 kV; Machine model: 200 V; (7)T J(max) Maximum junction temperature: 150℃; (8)TA, Operating ambient temperature range: -40 to 85℃; (9)T stg Storage temperature range: -65 to 150℃.
Features
TPS62420DRCR features: (1)High Efficiency — up to 95%; (2)VIN Range From 2.5 V to 6 V; (3)2.25 MHz Fixed Frequency Operation; (4)Output Current 600 mA and 1000 mA; (5)Adjustable Output Voltage From 0.6 V to V IN; (6)EasyScale Optional One Pin Serial Interface for Dynamic Output Voltage Adjustment; (7)Power Save Mode at Light Load Currents; (8)180 ° Out of Phase Operation; (9)Output Voltage Accuracy in PWM Mode ± 1%; (10)Typical 32 μ A Quiescent Current for both Converters; (11)100% Duty Cycle for Lowest Dropout; (12)Available in a 10-Pin QFN (3 × 3mm).
Diagrams
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 TPS62420DRCR |
Texas Instruments |
DC/DC Switching Regulators Dual Adj 600mA & 1000mA 2.25MHz |
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TPS62420DRCRG4 |
Texas Instruments |
DC/DC Switching Regulators Dual Adj 600mA & 1000mA 2.25MHz |
Data Sheet |
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