BD8643FV-E2 Rohm Semiconductor, BD8643FV-E2 Datasheet - Page 11

• Manufacturer Part Number: BD8643FV-E2
• Description: IC SWITCH REG 3A W/FET 20SSOP
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of BD8643FV-E2

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1 V ~ 12.6 V
• Current - Output: 3A
• Frequency - Switching: 100kHz ~ 600kHz
• Voltage - Input: 4.5 V ~ 18 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-LSSOP (0.240", 6.10mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●I/O equivalence circuit
BD8643FV
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FB
GND
VIN
GND
VIN
4, 5 ,6PIN(SW)
14PIN(PSET)
100k Ω
11PIN(FB)
50k Ω
50k Ω
2k Ω
GND
GND
VIN
SW
PSET
EN
SGND SGND
VIN
10kΩ
7PIN(BOOT)
12PIN(FC)
15PIN(EN)
GND
VIN
400Ω
5kΩ
11/13
10kΩ
VREG5
SGND
PGND
GND
VIN
130kΩ
240kΩ
FC
BOOT
SW
GND
GND
50 k Ω
50 k Ω
9PIN(SS/DELAY)
10k Ω
1k Ω
13PIN(RT)
2k Ω
GND
Technical Note
VIN
2010.09 - Rev.A
SS
2k Ω
/
DELAY
RT