MB3883 Datasheet, PDF (13/39 Pages) Fujitsu Component Limited. – 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

MB3883
Parameter
Symbol
Pin No.
Conditions
Threshold voltage
Input bias current
VTH
37, 38, 39, 40,
41, 43, 45, 46
CH1 to CH5
34, 31, 28, 8
−IN = 0 V
(CH1 to CH3, CH5)
IB
13
−IN = 0 V (CH4)
(Ta = +25 °C, VCC = 5 V)
Value
Unit
Min. Typ. Max.
0.97 1.00 1.03 V
−320 −80  nA
−200 −50  nA
Threshold voltage
VTH
47

0.8 0.9 1.0 V
Threshold voltage
VT0 37, 39, 41, 43, 45 Duty cycle = 0 %
VT100 37, 39, 41, 43, 45 Duty cycle = 100 %
1.0 1.1  V
 1.8 1.9 V
Input current
IDTC
36, 33, 30, 14, 6
DTC = 0.4 V
(CH1 to CH5)
−1.0 −0.3  µA
Threshold voltage
VT0
VTmax
47
Duty cycle = 0 %
47
Duty cycle = Max.
0.2 0.3  V
 0.74 0.84 V
Maximum duty cycle Dtr
47
CT = 100 pF, RT = 18 kΩ,
RB = 24 kΩ
70
80
90
%
Output source
current
ISOURCE
37, 39, 45 Duty ≤ 5 %, OUT = 0 V  −130  mA
Output sink current ISINK
37, 39, 45 Duty ≤ 5 %, OUT = 5 V  100  mA
ROH
Output ON resistor
ROL
37, 39, 45
37, 39, 45
OUT = −15 mA
OUT = 15 mA
 18 30 Ω
 16 25 Ω
Output source
current
ISOURCE 38, 40, 41, 43, 46 Duty ≤ 5 %, OUT = 0 V  −130  mA
Output sink current ISINK 38, 40, 41, 43, 46 Duty ≤ 5 %, OUT = 5 V  100  mA
Output ON resistor
ROH 38, 40, 41, 43, 46 OUT = −15 mA
ROL 38, 40, 41, 43, 46 OUT = 15 mA
 18 30 Ω
 16 25 Ω
Output source
current
ISOURCE
47
RB = 24 kΩ, OUT = 0.7 V −2.6 −2.0 −1.4 mA
Output sink current ISINK
47
Duty ≤ 5 %, OUT = 0.7 V  40  mA
*: Standard design value.
(Continued)
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