MIC2807-OOYML-TR More Semiconductors - ICs by Microchip Technology

DAC Controlled 2MHz 600mA DC/DC + Dual Low Noise 200mA/30mA LDOs

Status: Active
Series: MIC2807
RoHS: Compliant
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The MIC2807 integrates a high performance DC/DC converter intended for powering a power amplifier (PA) in a mobile phone with dual low noise low dropout (LDO) regulators for the rest of the RF section. Optimized for low noise performance, the MIC2807 improves efficiency in the handset without compromising quality.The MIC2807 has a 2MHz, constant frequency pulse width modulated (PWM) DC/DC converter designed for low noise operation and high efficiency. The output voltage (VOUT) is variable from 0.3V to the input voltage (VIN), adjustable from 0.3V to 3.6V through a DAC input when VIN > VOUT. The converter will work in a 100% duty cycle mode to offer maximum power and efficiency in the application. In addition to 100% duty cycle, the DC/DC converter has a bypass mode of operation where the input voltage node (PVIN pin) is shorted to the output voltage node (OUT pin) through a 95mΩ switch.The integrated dual low noise low dropout regulators are optimized for high PSRR capability and fast turn-on times. The constant frequency DC/DC converter along with dual low noise LDO regulators enables a very quiet and efficient solution for mobile applications.The MIC2807 is a µCap design, operating with small ceramic output capacitors and inductors for stability, reducing required board space and component cost..

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Prices starting from US$1.97

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Features

2.7V to 5.5V input voltage range
Stable with ceramic output capacitors
Thermal shutdown protection
Current limit protection
VOUT = VDAC x 3
Internal 95mΩ switch between PVIN and OUT pins
V DAC >1.2V
Up to 600mA output current in PWM mode
100% duty cycle operation for maximum efficiency
Tiny 4.7µH, 1µF output inductor and capacitor
Low-noise 2MHz PWM operation
>90% efficiency
High accuracy: ±2% over temperature
High PSRR: greater than 70dB
Very low output noise: 32 µVrms
LDO1: 200mA output current capability
LDO2: 30mA output current capability

Specifications

Target Application Multi-platform
Target Processor N/A
VIN Max (V) 5.5
VIN Min (V) 2.7
# of Regulated Outputs (Bucks) 1
Maximum Buck Output I (A) 0.6
Buck Switching Typ Frequency (kHz) 2000
Duty Cycle Max (%) 100
# of Regulated Outputs (Linear) 2
Maximum LDO Output I (mA) 200
RESET Output No
Auto PFM Mode No
ϴja (°C/W) 70
Pins | Packaging 17 | VQFN
Temp Range -40C to +125C
Packing Media Tape and reel (5000)

Environmental Information

JEDEC Indicator e4
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0
Shipping Weight (kg) 0.72335
Lead Count 17
Package Type VQFN
Package Width or Size 2.5x2.8x0.9mm
Soldering Composition NiPdAu

Alternative Descriptions

Pam Power Management: Dac Controlled Dc-Dc + 2 Ldos 17 Vqfn 2.5X2.8X0.9Mm T/R Rohs Compliant: Yes |Microchip MIC2807-OOYML-TR | Newark Electronics
Conv DC-DC Single Step Down 2.7V 5.5V 17-Pin VQFN T/R | Avnet America


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MIC2807-OOYML-TR?

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What category does MIC2807-OOYML-TR fall under?

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Is the MIC2807-OOYML-TR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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Authorised distributors including Newark Electronics and Avnet America have stock available or on a lead time for MIC2807-OOYML-TR.

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