BD8649EFV-E2 Rohm Semiconductor, BD8649EFV-E2 Datasheet - Page 2

• Manufacturer Part Number: BD8649EFV-E2
• Description: IC SWITCHING REG 3A HTSSOP-B20
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of BD8649EFV-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-VSSOP (0.173", 4.40mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Electrical characteristic
●Package outline dimension
BD8649EFV
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
(Unless otherwise noted Ta=25℃, V
V
V
Reference voltage (VREF)
Oscillation frequency
High side FET ON resistance
Low side FET ON resistance
UVLO voltage
SW leak current
EN terminal H threshold voltage
EN terminal L threshold voltage
SS/DELAY terminal source current
SS/DELAY – FB Offset voltage
PSET terminal source current
PSET terminal threshold voltage
●
●
IN
IN
V
Current capability should not exceed Pd.
supply current (operating)
supply current (standby)
FB
:FB terminal voltage,V
Parameter
1 PIN
EN
:EN terminal voltage,V
IN
=12V, V
V
Symbol
I
R
V
Q_active
I
R
SSFBOST
V
V
I
V
I
Q_stby
f
I
SSSO
V
PSET
OSC
UVLO
LSW
HFET
PSET
LFET
ENH
ENL
FB
SS
EN
:SS/DELAY terminal voltage, V
HTSSOP-B20 (Unit: mm)
= 3V)
BD8649
0.792
Min.
270
450
3.8
1.6
2.8
3.0
0.8
-
-
-
-
-
-
2/13
Limits
0.800
Typ.
300
600
110
110
1.5
0.8
4.0
4.0
5.0
1.0
0
-
-
Lot No.
PSET
Product number
:PSET terminal voltage, R
0.808
Max.
160
160
330
750
2.5
1.2
4.2
0.4
5.2
7.0
1.2
5
-
UNIT
kHz
mΩ
mΩ
mA
mA
mV
μA
μA
μA
V
V
V
V
V
RT
V
V
FB-FC Short
R
I
I
V
V
V
V
V
SW
SW
:RT resistor
FB
EN
RT
IN
EN
SS
SS
PSET
= -1A
= 1A
= 1V
= 1V
= 56kΩ
Sweep
= 0V
= 0.75V
= 0V
= 2V
Condition
Technical Note
2010.09 - Rev.A