MB3874 Datasheet, PDF (11/28 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Parallel Charging

MB3874/MB3876
(Continued)
(MB3874 : Ta = +25°C, VCC = 16 V, VREF = 0 mA)
(MB3876 : Ta = +25°C, VCC = 19 V, VREF = 0 mA)
Parameter
Symbol Pin No.
Conditions
Value
Unit Remarks
Min. Typ. Max.
Output source
current
ISOURCE
OUT = 11 V,
Duty ≤ 5 %
(t = 1/fosc × Duty )
20
OUT = 14 V,
Duty ≤ 5 %
(t = 1/fosc × Duty )
— –200* — mA MB3874
— –200* — mA MB3876
Output sink current ISINK
OUT = 16 V,
Duty ≤ 5 %
(t = 1/fosc × Duty )
20
OUT = 19 V,
Duty ≤ 5 %
(t = 1/fosc × Duty )
— 200* — mA MB3874
— 200* — mA MB3876
ROH
Output ON resistor
ROL
20 OUT = −45 mA
20 OUT = 45 mA
—
8.0 16.0 Ω
—
6.5 13.0 Ω
Rise time
tr1
20 ^{OUT = 3300 pF}
(Equivalent to Si4435DY)
— 70* — ns
Fall time
tf1
20 ^{OUT = 3300 pF}
(Equivalent to Si4435DY)
— 60* — ns
CTL input voltage
VON
VOFF
6 Active mode
6 Standby mode
2.0
— 25.0 V
0
—
0.8 V
Input current
ICTLH
ICTLL
6 CTL = 5 V
6 CTL = 0 V
— 100 200 µA
—
0
1 µA
Output voltage
VH
19
VCC = 7 V to 25 V,
VH = 0 to 30 mA
Standby current
ICCS
21 CTL = 0 V
Power supply
current
ICC
21 CTL = 5 V
*: Standard design value
VCC – VCC – VCC –
5.5 5.0 4.5
V
—
0
10 µA
—
6.0 9.0 mA MB3874
—
6.5 9.5 mA MB3876
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