MB3827 Datasheet, PDF (11/41 Pages) Fujitsu Component Limited. – 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

MB3827
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol Pin No.
Output voltage
VREF
24
Output voltage
temperature stability
∆VREF
/VREF
24
Input stability
Line
24
Load stability
Load
24
Short-circuit output current IOS
24
(Ta = +25°C, VCC = 9 V, VSS = 4.4 V, VG = 11 V)
Conditions
Value
Unit
Min. Typ. Max.
—
2.475 2.5 2.525 V
Ta = –30°C to +85°C — 0.5* — %
VCC = 4 V to 13 V
–10 —
VREF = 0 mA to –1 mA –10 —
VREF = 2 V
–20 –5
10 mV
10 mV
–1 mA
Threshold voltage
VTH
52
VCC =
2.6 2.8 3.0 V
Hysteresis width
VH
52
—
— 0.2 — V
Reset voltage
VRST
52
—
1.35 1.50 1.65 V
Threshold voltage
VTH
1
VCC =
1.3 1.5 1.7 V
Input standby voltage
VSTB
30
—
— 50 100 mV
Charge current
Threshold voltage
Input standby voltage
Input latch voltage
Input source current
Oscillator frequency
Frequency voltage
stability
Frequency temperature
stability
*: Standard design value.
ICS
30
—
–1.4 –1.0 –0.6 µA
VTH
31
—
VSTB
31
—
VI
31
—
ICSCP
31
—
fOSC
∆f/fdV
∆f/fdT
52,50,49,48,
55,57,60,61,
62,63
CT = 100 pF,
RT = 18 kΩ
52,50,49,48,
55,57,60,61, VCC = 4 V to 13 V
62,63
52,50,49,48,
55,57,60,61, Ta = –30°C to +85°C
62,63
0.63 0.68 0.73 V
— 50 100 mV
— 50 100 mV
–1.4 –1.0 –0.6 µA
450 500 550 kHz
—
1
10 %
— 1* — %
(Continued)
11