MB3782_1 Datasheet, PDF (13/27 Pages) Fujitsu Component Limited. – ASSP Power Supplies BIPOLAR Switching Regulator Controller

MB3782
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Output voltage
Output voltage
temperature variation
Input stability
Load stability
Short output current
Threshold voltage
Hysteresis width
VREF
VRTC
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
IOR = –0.1 mA
IOR = –0.1 mA
IOR = –0.1 mA
Reset voltage (VCC)
VR
—
Input threshold voltage
Input standby voltage
Input latch voltage
Input source current
Comparator threshold
voltage
Oscillator frequency
Frequency deviation
Frequency deviation (VCC)
Frequency deviation (Ta)
Input threshold voltage
ON duty cycle
Input bias current
Latch mode sink current
Latch input voltage
VtPC
VSTB
VIN
Ibpc
VtC
fOSC
fdev
fdV
fdT
Vt0
Vt100
Dtr
Ibdt
Idt
Vdt
—
No pull-up
No pull-up
—
Pin 6, pin 12, pin 17
CT = 330 pF, RT = 15 kΩ
CT = 330 pF, RT = 15 kΩ
VCC = 3.6 V to 18 V
Ta = –30°C to +85°C
Duty cycle = 0 %
Duty cycle = 100 %
Vdt = VR/1.45 V
—
Vdt = 2.5 V
Idt = 100 µA
(VCC = 6 V, Ta = +25°C)
Value
Unit
Min Typ Max
2.45 2.50 2.55 V
–2 ±0.2 2
%
—
2
10 mV
—
1 7.5 mV
–30 –10 –3 mA
— 2.72 —
V
— 2.60 —
V
80 120 — mV
1.5 1.9 —
V
0.60 0.65 0.70 V
— 50 100 mV
— 50 100 mV
–1.4 –1.0 –0.6 µA
— 2.1 —
V
160 200 240 kHz
—
±5
—
%
—
±1
—
%
–4 — +4 %
1.05 1.3 —
V
— 1.9 2.25 V
55 65 75 %
— 0.2
1
µA
150 500 — µA
— — 0.3 V
(Continued)
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