MB3785A_03 Datasheet, PDF (9/30 Pages) Fujitsu Component Limited. – Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities)

MB3785A
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Reference voltage
Rate of changed in output
voltage vs. Temperature
Input stability
Load stability
Sort-circuit output current
Threshold voltage
Hysteresis width
VREF
∆VREF
/VREF
Line
Load
IOS
VtH
VtL
VHYS
IOR = –1 mA
Ta = –30°C to +85°C
VCC = 3.6 V to 18 V
IOR = –0.1 mA to –1 mA
VREF = 2 V
—
—
—
(VCC = +6 V, Ta = +25°C)
Value
Unit
Min Typ Max
2.475 2.500 2.525 V
–2 ±0.2
2
%
–10
–2
10 mV
–10
–3
10 mV
–25
–8
–3 mA
—
2.72
—
V
—
2.60
—
V
80
120
— mV
Reset voltage (VCC)
VR
—
1.5 1.9
—
V
Input threshold voltage
Input bias current
Vth
—
IIB VI = 0 V
Input voltage range
VI
—
Input offset voltage
Input bias current
VIO
—
IIB VI = 0 V
Common mode input voltage
range
VICM
—
Threshold voltage
VtPC
—
Input standby voltage
VSTB
—
Input latch voltage
VI
—
2.45 2.50 2.55 V
–200 –100 — nA
–0.2
—
VCC
V
0.58 0.65 0.72 V
–200 –100 — nA
–0.2
— VCC–0.8 V
0.60 0.65 0.70 V
—
50
100 mV
—
50
100 mV
Input source current
Ilbpc
—
–1.4 –1.0 –0.6 µA
Oscillation frequency
Frequency stability (VCC)
fOSC CT = 300 pF, RT = 6.2 kΩ 450 500 550 kHz
∆f/fdv VCC = 3.6 V to 18 V
—
±1
—
%
Frequency stability (Ta)
∆f/fdT Ta = –30°C to +85°C
–4
—
4
%
(Continued)
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