BD9870FPS
8-35V 1.5A 1ch Buck converter

The BD9870FPS single-channel step-down switching regulator incorporates a Pch MOSFET capable of PWM operation at 900kHz, enabling use of a smaller coil, as well as circuitry that eliminates the need for external compensation - only a diode, coil, and ceramic capacitor are required - reducing board size significantly.

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* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BD9870FPS-E2
Status | Recommended
Package | TO252S-5
Packing Type | Taping
Unit Quantity | 2000
Minimum Package Quantity | 2000
RoHS | Yes

Specifications:

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Non-synchronous

Vin1(Min.)[V]

8

Vin1(Max.)[V]

35

Vout1(Min.)[V]

1

Vout1(Max.)[V]

28

Iout1(Max.)[A]

1.5

SW frequency(Max.)[MHz]

0.9

Light Load mode

No

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

6.5x9.5 (t=1.3)

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Features:

・Maximum switching current : 1.5A
・Built-in Pch FET ensures high efficiency
・Output voltage adjustable via external resistors
・High switching frequency : 900kHz (fixed)
・Soft start time : 5ms (fixed)
・Overcurrent and thermal shutdown protection circuits built in
・ON / OFF control via STBY pin
・Ceramic output capacitor compatibility
・Small surface mount TO252S-5 package
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