BD9300 Datasheet, PDF (2/3 Pages) Rohm – 1-channel DC/DC converter controller

Regulators
zElectrical characteristics (Unless otherwise noted, Ta=25°C, V_CC=12V)
Parameter
Reference voltage
Oscillating frequency
UVLO threshold voltage
Saturation voltage (output)
CTL ON threshold voltage
CTL OFF threshould voltage
Standby current
Average current consumption
Symbol
Vref
fosc
VUT
VSAT
VON
VOFF
ISTB
ICC
Min.
2.475
165
−
−
2
−
−
−
Typ.
2.500
220
2.8
1.0
−
−
0
1.2
Max.
2.525
275
−
1.4
−
0.7
10
2.4
Unit
Conditions
V Iref=1mA
kHz RT=20kΩ, CT=200pF
V
V Io=30mA
V
V
µA VCTL=0V
mA RT=VREF
BD9300/F/FV
zBlock diagram
NON 1/2VREF INV
VREF
CTL
SCP
VCC
14
13
12
11
10
9
8
ERR
2.5V
VREF
1.25V
TIMER
LATCH
PWM
OSC
1
2
3
4
5
6
7
DTC
RT
CT
FB
OUT
N.C.
GND
Rev.A
2/2