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
Product Questions and Answers

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In-Stock: 1,536
Check for Additional Incoming Stock
Last Time Buy Date: 3/31/2026
Quantity
All prices are in CHF
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1Fr.3.00000Fr.3.00
10Fr.2.26600Fr.22.66
25Fr.2.08120Fr.52.03
100Fr.1.87830Fr.187.83
250Fr.1.78160Fr.445.40
500Fr.1.72332Fr.861.66
1,000Fr.1.67531Fr.1,675.31
* All Digi-Reel orders will add a Fr.7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500Fr.1.62466Fr.4,061.65
5,000Fr.1.59412Fr.7,970.60
Manufacturers Standard Package
Unit Price without VAT:Fr.3.00000
Unit Price with VAT:Fr.3.24300
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