MB3759 Datasheet, PDF (4/27 Pages) Fujitsu Component Limited. – Switching Regulator Controller (Switchable between push-pull and single-end functions)

MB3759
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Condition
(VCC = 15 V, Ta = +25 °C)
Value
Unit
Min Typ Max
Output voltage
VREF IO = 1 mA
4.75 5.0 5.25
V
Input regulation
∆VR(IN)
7 V ≤ VCC ≤ 40 V,
Ta = +25 °C
—
2
25
mV
Load regulation
∆VR(LD)
1 mA ≤ IO ≤ 10 mA,
Ta = +25 °C
—
−1 −15
mV
Reference
section
Temperature stability
Short circuit output
current
∆VR/∆T
−20 °C ≤ Ta ≤
+ 85 °C
ISC
—
— ±200 ±750 µV/°C
15
40
—
mA
Reference lockout
voltage
—
—
— 4.3 —
V
Reference hysteresis
voltage
—
—
— 0.3 —
V
Oscillator
section
Oscillator frequency
Standard deviation
of frequency
Frequency change
with voltage
fosc
RT = 30 kΩ,
CT = 1000 pF
36
40
44
kHz
—
RT = 30 kΩ,
CT = 1000 pF
—
±3
—
%
—
7 V ≤ VCC ≤ 40 V,
Ta = +25 °C
— ±0.1 —
%
Frequency change with
temperature
∆fosc/∆T
−20 °C ≤ Ta ≤
+85 °C
— ±0.01 ±0.03 %/°C
Input bias current
ID 0 ≤ VI ≤ 5.25 V
—
−2 −10
µA
Dead-time
control section
Maximum duty cycle (Each
output)
Input
threshold
voltage
0% duty
cycle
Max. duty
cycle
— VI = 0
VDO
—
VDM
—
40
45
—
%
— 3.0 3.3
V
0
—
—
V
(Continued)
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