20 TSSOP
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20 TSSOP
20 TSSOP

BD9851EFV-E2

DigiKey Part Number
BD9851EFV-E2TR-ND - Tape & Reel (TR)
BD9851EFV-E2CT-ND - Cut Tape (CT)
BD9851EFV-E2DKR-ND - Digi-Reel®
Manufacturer
Rohm Semiconductor
Manufacturer Product Number
BD9851EFV-E2
Description
IC REG CTRLR BUCK/BST 20HTSSOP-B
Customer Reference
Detailed Description
Buck, Boost Regulator Positive or Negative Output Step-Up, Step-Down DC-DC Controller IC 20-HTSSOP-B
Datasheet
 Datasheet
EDA/CAD Models
BD9851EFV-E2 Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Rohm Semiconductor
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
Output Type
Transistor Driver
Function
Step-Up, Step-Down
Output Configuration
Positive or Negative
Topology
Buck, Boost
Number of Outputs
2
Output Phases
1
Voltage - Supply (Vcc/Vdd)
4V ~ 18V
Frequency - Switching
10kHz ~ 3MHz
Duty Cycle (Max)
-
Synchronous Rectifier
No
Clock Sync
No
Serial Interfaces
-
Control Features
Enable, Frequency Control, Soft Start
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
20-VSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package
20-HTSSOP-B
Base Product Number
BD9851
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In-Stock: 1,534
Check for Additional Incoming Stock
Last Time Buy Date: 2026-03-31
Quantity
All prices are in CAD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$5.96000$5.96
10$4.50000$45.00
25$4.13360$103.34
100$3.73060$373.06
250$3.53848$884.62
500$3.42270$1,711.35
1,000$3.32736$3,327.36
* All Digi-Reel orders will add a $9.50 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$3.22676$8,066.90
5,000$3.16612$15,830.60
Manufacturers Standard Package