MB3875_03 Datasheet, PDF (9/26 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging

MB3875/3877
(Continued)
Parameter
(MB3875 : Ta = +25°C, VCC = 16 V, VCC (O) = 16 V, VREF = 0mA)
(MB3877 : Ta = +25°C, VCC = 19 V, VCC (O) = 19 V, VREF = 0mA)
Symbol Pin No. Conditions
Value
Unit Remarks
Min Typ Max
Threshold voltage
VTL 3,9,15 Duty cycle = 0 %
1.4
1.5
—V
VTH 3,9,15 Duty cycle = 100 % —
2.5 2.6 V
Output source
current
ISOURCE
Output sink current ISINK
Output ON resistor
Rise time
Fall time
CTL input voltage
Input current
ROH
ROL
tr1
tf2
VON
VOFF
ICTLH
ICTLL
Output voltage
VH
Standby current
ICCS
Power supply current ICC
*: Standard design value.
OUT = 11 V
Duty ≤ 5 %
—
(t = 1/fosc × Duty )
20
OUT = 14 V
Duty ≤ 5 %
—
(t = 1/fosc × Duty )
OUT = 16 V
Duty ≤ 5 %
—
(t = 1/fosc × Duty )
20
OUT = 19 V
Duty ≤ 5 %
—
(t = 1/fosc × Duty )
20 OUT = −45 mA
—
20 OUT = 45 mA
—
20 ^{OUT = 3300 pF}
—
(Equivalent to Si4435DY)
20 ^{OUT = 3300 pF}
—
(Equivalent to Si4435DY)
14 Active mode
2
14 Standby mode
0
14 CTL = 5 V
—
14 CTL = 0 V
—
–200* — mA MB3875
–200* — mA MB3877
200* — mA MB3875
200* — mA MB3877
8.0
16 Ω
6.5
13 Ω
70*
— ns
60*
— ns
—
25 V
—
0.8 V
100 200 µA
0
1 µA
VCC = VCC(O)
19 = 7 V to 25 V,
VH = 0 to 30 mA
VCC–5.5 VCC–5.0 VCC–4.5 V
18
VCC = VCC(O),
CTL = 0 V
18
VCC = VCC(O),
CTL = 5 V
—
0
10 µA
—
6.0
9.0 mA MB3875
—
6.5
9.5 mA MB3877
9