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BD8628EFV Datasheet(PDF) 2 Page - Rohm

Part # BD8628EFV
Description  FET Controller Type 3ch System Power Supply ICs
Download  15 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD8628EFV Datasheet(HTML) 2 Page - Rohm

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Technical Note
2/14
BD8628EFV, BD8624EFV
www.rohm.com
2009.05 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Electric characteristic
(Ta=25℃, VCC=6.5V, GND=0V,CTL=6.5V unless otherwise specified.)
Parameter
Symbol
specification value
UNIT
Condition
MIN
TYP
MAX
Circuit current 1
IQ1
-
0
10
μ
A
CTL=0V
Circuit current 2
IQ2
-
3.4
-
mA
CTL=VCC
< Error amplifier part >
Standard voltage (VREF)
VREF
0.792
0.8
0.808
V
Terminal FB and FC
terminal short
Terminal FB Input bias current
IFBB
-1
0
1
μ
A
VFB=0.9V
Terminal FC Clamping voltage H
VFCH
1.8
-
-
V
VFB=0.7V
Terminal FC Clamping voltage L
VFCL
-
-
0.2
V
VFB=0.9V
Terminal FC Sink current
IFCSINK
0.5
-
-
mA
VFB=0.9V, VFC=0.4V
Terminal FC Source current
IFCSOURCE
-
-
-70
μ
A
VFB=0.7V, VFC=1.6V
Open loop gain
AVERR
-
100
-
dB
<OSC part>
Oscillation frequency
FOSC
400
500
600
kHz
When terminal RT 27kΩ is
connected
<Soft start >
Charging current
ISS
-3
-2.5
-2
μ
A
VSS=1.0V
Terminal SS Threshold voltage
VSSTH
0.98
1.08
1.18
V
VSS Voltage
Terminal SS Clamping voltage
VSSCLM
2.2
2.4
-
V
Terminal SS Standby voltage
VSSSTB
0.1
0.15
-
V
VSS Voltage (L to H)
Terminal SS Discharge resistance
RSS
49
70
91
kΩ
CTL=0V
Terminal SS Protection circuit start
voltage
VSSPON
1.0
1.1
1.2
V
VSS Voltage (L to H)
Terminal SS Protection circuit start
voltage
Maximum hysteresis error
VSSPON_HYS
10
100
200
mV
VSS Voltage
< Low voltage, over voltage detection part>
Terminal FB Low voltage detection
voltage
VLVP
0.51
0.56
0.61
V
VFB Voltage
Terminal FB Overvoltage detection
voltage
VOVP
0.86
0.96
1.06
V
VFB Voltage
< Over current detection part>
Output current limitation threshold
Ilmt
VCC-0.9
VCC-0.7
VCC-0.5
V
VSW Voltage
<Power MOS>
Upper side MOS ON resistance
RONU
-
110
-
VBOOT-VSW =5V
Lower side MOS ON resistance
RONL
-
110
-
VVREG5=5V
<Others>
Terminal PDET L output voltage
VOL_PDET
-
-
0.4
V
IOL=100uA
Terminal CTL input voltage H level
voltage
VIH_CTL
2.0
-
VCC
V
CTL terminal
Terminal CTL input voltage L level
voltage
VIL_CTL
-
-
0.5
V
CTL terminal
Terminal CTL input current
II_CTL
-
60
90
μ
A
CTL terminal, CTL=VCC
VFB : FB terminal voltage, VFC : FC terminal voltage, VSS : SS terminal voltage, VMONVCC : MONVCC terminal voltage
Not designed for radiation resistance.
Current capability should not exceed Pd.


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