--- 產(chǎn)品詳情 ---
Regulated outputs (#) | 3 |
Vin (Min) (V) | 1.7 |
Vin (Max) (V) | 6 |
Iout (Max) (A) | 0.4 |
Rating | Catalog |
LDO | 1 |
Iq (Typ) (mA) | 0.005 |
Features | Enable, Enable Pin, Thermal Shutdown, UVLO Fixed |
Shutdown current (ISD) (Typ) (uA) | 5 |
Switching frequency (Typ) (kHz) | 2480 |
Configurability | Hardware configurable |
- Two 400-mA Step-Down Converters
- Up to 92% Efficiency
- VIN Range for DC-DC Converter
From 3.3 V to 6 V - 2.25-MHz Fixed-Frequency Operation
- Power Save Mode at Light Load Current
- Output Voltage Accuracy in PWM Mode ±1.5%
- 100% Duty Cycle for Lowest Dropout
- 180° Out-of-Phase Operation
- 1 General Purpose 200-mA LDO
- VIN Range for LDO From 1.7 V to 6.0 V
- Available in a 16-Ball DSBGA (WCSP) With 0.5-
mm Pitch
The TPS65705x devices are small power management units targeted for embedded camera module or other portable low-power consumer-end equipments. The device contains two highly efficient step-down converters, a low dropout linear regulator, and additional supporting functions. The 2.25-MHz step-down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications, the device can be forced into fixed-frequency PWM mode using the MODE pin. The device allows the use of small inductors and capacitors to achieve a small sized solution. The TPS65705x provides an output current of up to 400 mA on both DC-DC converters and integrates one 200-mA LDO with different output settings. The LDO operates with an input voltage range from 1.7 V to 6 V, thus allowing it to be supplied from the output of the step-down converter or directly from the system voltage.
The TPS65705x comes in a small 16-pin wafer chip scale package (WCSP) with 0.5-mm ball pitch.
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