TPS62806 Texas instruments

TPS62806

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TPS62806

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Описание

The TPS6280x device family is a step-down converter with 2.3-µA typical quiescent current featuring the highest efficiency and smallest solution size. TIs DCS-Control™ topology enables the device to operate with tiny inductors and capacitors with a switching frequency up to 4 MHz. At light load conditions, the device seamlessly enters power save mode to reduce switching cycles and maintain high efficiency.Connecting the VSEL/MODE pin to GND selects a fixed output voltage. With only one external resistor connected to VSEL/MODE pin, 16 internally set output voltages can be selected. An integrated R2D (resistor-to-digital) converter reads out the external resistor and sets the output voltage. The same device part number can be used for different applications and voltage rails just by changing a single resistor. Furthermore, the internally set output voltage provides better accuracy compared to a traditional external resistor divider network. Once the device has started up, the DC/DC converter enters forced PWM mode by applying a high level at the VSEL/MODE pin. In this operating mode, the device runs at a typical 4-MHz or 1.5-MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35-mm pitch.

1.75-V to 5.5-V input voltage range
2.3-µA operating quiescent current
Up to 4-MHz switching frequency
0.6-A or 1-A output current
1% output voltage accuracy
Selectable power save and forced PWM mode
R2D converter for flexible V_OUT setting
16 selectable and one fixed output voltages
- TPS62800 (4 MHz): 0.4 V to 0.775 V
- TPS62801 (4 MHz): 0.8 V to 1.55 V
- TPS62802 (4 MHz): 1.8 V to 3.3 V
- TPS62806 (1.5 MHz): 0.4 V to 0.775 V
- TPS62807 (1.5 MHz): 0.8 V to 1.55 V
- TPS62808 (1.5 MHz): 1.8 V to 3.3 V
Smart enable pin
Optimized pinout to support 0201 components
DCS-Control topology
Output discharge
100% duty cycle operation
Tiny 6-pin, 0.35-mm pitch WCSP package
Supports < 0.6-mm solution height
Supports < 5-mm² solution size
Create a custom design using the:
- TPS62800 WEBENCH Power Designer
- TPS62801 WEBENCH Power Designer
- TPS62802 WEBENCH Power Designer
- TPS62806 WEBENCH Power Designer
- TPS62807 WEBENCH Power Designer
- TPS62808 WEBENCH Power Designer

Vin (min) (V)	1.75
Vin (max) (V)	5.5
Vout (min) (V)	0.4
Vout (max) (V)	0.775
Iout (max) (A)	0.6
Iq (typ) (mA)	0.0023
Switching frequency (min) (kHz)	1500
Switching frequency (max) (kHz)	1500
Features	Enable, Forced PWM, Light Load Efficiency, Load Disconnect, Output discharge, Over Current Protection, Synchronous Rectification, UVLO Fixed
Operating temperature range (°C)	-40 to 125
Rating	Catalog
Regulated outputs (#)	1
Control mode	DCS-Control
Duty cycle (max) (%)	100
Type	Converter