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BD35281HFN Fiches technique(PDF) 2 Page - Rohm

No de pièce BD35281HFN
Description  Nch FET Ultra LDO for Desktop PCs
Download  16 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD35281HFN Fiches technique(HTML) 2 Page - Rohm

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Technical Note
2/15
www.rohm.com
2011.01 - Rev.A
© 2011 ROHM Co., Ltd. All rights reserved.
BD35281HFN
Operating Voltage (Ta=25℃)
Parameter
Symbol
Ratings
Unit
Min.
Max.
Input Voltage 1
VCC
4.3
5.5
V
Input Voltage 2
VIN
1.5
VCC-1 *
5
V
Output Voltage Setting Range
IO
1.2 (fixed)
V
Enable Input Voltage
VEN
-0.3
5.5
V
NRCS Capacity
CNRCS
0.001
1
µF
*5 VCC and VIN do not have to be implemented in the order listed.
This product is not designed for use in radioactive environments.
Electrical Characteristics (Unless otherwise specified, Ta=25℃, VCC=5V, VEN=3V, VIN=1.7V)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
Bias Current
ICC
-
0.7
1.2
mA
VCC Shutdown Mode Current
IST
-
0
10
µA
VEN=0V
Output Voltage
IO
1.5
-
-
A
Feedback Voltage 1
VOS1
1.188
1.200
1.212
V
Feedback Voltage 2
VOS2
1.176
1.200
1.224
V
Tj=-10 to 100℃
Line Regulation 1
Reg.l1
-
0.1
0.5
%/V
VCC=4.3V to 5.5V
Line Regulation 2
Reg.l2
-
0.1
0.5
%/V
VIN=1.5V to 3.3V
Load Regulation
Reg.L
-
0.5
10
mV
IO=0 to 1.5A
Output ON Resistance
RON
-
100
150
IO=1.5A,VIN=1.2V,
Tj=-10 to 100℃
Standby Discharge Current
IDEN
1
-
-
mA
VEN=0V, VO=1V
[ENABLE]
Enable Pin Input Voltage High
ENHIGH
2
-
-
V
Enable Pin Input Voltage Low
ENLOW
0
-
0.8
V
Enable Input Bias Current
IEN
-
7
10
µA
VEN=3V
[NRCS]
NRCS Charge Current
INRCS
12
20
28
µA
NRCS Standby Voltage
VSTB
-
0
50
mV
VEN=0V
[UVLO]
VCC Undervoltage Lockout
Threshold Voltage
VCCUVLO
3.5
3.8
4.1
V
VCC:Sweep-up
VCC Undervoltage Lockout
Hysteresis Voltage
VCCHYS
100
160
220
mV
VCC:Sweep-down
VIN Undervoltage Lockout
Threshold Voltage
VINUVLO
0.72
0.84
0.96
V
VIN:Sweep-up
[SCP]
SCP Start up Voltage
VOSCP
VO×0.3
VO×0.4
VO×0.5
V
SCP Threshold Voltage
TSCP
45
90
200
µsec


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