bd8621efv ROHM Co. Ltd., bd8621efv Datasheet - Page 2

• Manufacturer Part Number: bd8621efv
• Description: Built-in 1ch Fet Synchronous Rectification Type Dc/dc Converters
• Manufacturer: ROHM Co. Ltd.

●Electrical characteristics
(Unless otherwise noted Ta=25℃, VIN=3.3V, GND=0V)
V
Current capability should not exceed Pd.
VIN supply current (operating)
VIN supply current (standby)
Reference voltage (VREF)
Output rise detection voltage
Output decrease detection voltage
Terminal PDET output current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
UVLO voltage
SW leak current
EN terminal H threshold voltage
EN terminal L threshold voltage
FC sink current
FC source current
SS/DELAY terminal source current
Terminal PDET pull-up resistor
FB
:FB terminal voltage, V
Parameter
EN
:EN terminal voltage, V
Symbol
I
V
R
R
R
Q_active
I
I
V
V
I
V
I
V
V
Q_stby
I
I
PDET
FCSO
SSSO
FCSI
UVLO
LSW
f
NFET
PDET
PFET
OVP
ENH
REF
ENL
LVP
OSC
FC
:FC terminal voltage, V
0.792
MIN
2.35
500
100
-90
0.4
1.1
30
10
2
-
-
-
-
-
-
-
Specification value
2 / 14
TYP
2.50
220
550
170
-60
-20
0.8
60
75
55
20
0
0
4
-
-
-
PDET
: PDET terminal voltage
0.808
MAX
2.65
350
600
250
110
-30
-10
0.4
90
90
1
1
6
-
-
-
UNIT
mΩ
kHz
mV
mV
mA
mΩ
μA
μA
μA
μA
μA
μA
kΩ
V
V
V
V
V
V
Monitoring FB terminal
Monitoring FB terminal
V
R
I
I
V
SW
SW
FB
EN
PDET
EN
RT
= 1A
= 1A
= 220kΩ
= 0V, V
= 0.83V, V
= 0V
< 0.3V
Condition
IN
= 5.5V
FC
= 1V