BD3523HFN, BD35230HFN, BD35231HFN
Technical Note
4/20
www.rohm.com
2009.04 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
●Electrical Characteristics
BD35230HFN (Unless otherwise specified, Ta=25℃, VCC=5V, VEN=3V, VIN=1.7V)
Parameter Symbol
Limit
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 2.0 - - A
Feedback Voltage 1 VOS1 0.990 1.000 1.010 V
Feedback Voltage 2 VOS2 0.980 1.000 1.020 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=1.3V to 3.3V
Load Regulation Reg.L - 0.5 10 mV IO=0 to 2A
Output ON Resistance RON - 100 150 mΩ IO=2A,VIN=1.0V, 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
V
CCUVLO 3.5 3.8 4.1 V VCC:Sweep-up
VCC Undervoltage Lockout
Hysteresis Voltage
V
CCHYS 100 160 220 mV VCC:Sweep-down
VIN Undervoltage Lockout
Threshold Voltage
V
INUVLO 0.60 0.70 0.80 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
