MB39A115 Datasheet, PDF (11/42 Pages) Fujitsu Component Limited. – 5 ch DC/DC Converter IC with Synchronous Rectification

MB39A115
(Continued)
(VCC = VCCO = 7 V, Ta = +25 °C)
Parameter
Symbol Pin No.
Condition
Value
Unit
Min Typ Max
PWM
Threshold
Comparator
voltage
Block
(ch.1 to ch.5)
[PWM Comp.1 to ^{Input current}
PWM Comp.5]
VT0 29 to 34 Duty cycle = 0%
VT100 29 to 34 Duty cycle = 100%
IDTC
4, 16,
23, 24
DTC = 0.4 V
0.35 0.4 0.45 V
0.85 0.9 0.95 V
−2.0 −0.6 ⎯ µA
Output source
current
ISOURCE
29 to 34
Duty ≤ 5% (t = 1/fOSC × Duty)
OUT = 0 V
⎯ −300* ⎯ mA
Output sink
Output Block current
(ch.1 to ch.5)
[Drive1 to Drive5]
Output on
resistor
ISINK
29 to 34
Duty ≤ 5% (t = 1/fOSC × Duty)
OUT = 7 V
ROH 29 to 34 OUT = − 15 mA
ROL 29 to 34 OUT = 15 mA
⎯ 300* ⎯ mA
⎯ 9 18 Ω
⎯ 9 14 Ω
Dead time
tD1
33, 34 OUT2 − OUT1
tD2
33, 34 OUT1 − OUT2
⎯ 50* ⎯ ns
⎯ 50* ⎯ ns
Short-Circuit
Detection Block
[SCP Comp.]
Threshold
voltage
Input bias
current
VTH
34
⎯
IB
10 −INS = 0 V
0.97 1.00 1.03 V
−25 −20 −17 µA
Control Block
(CTL,
CTL3 to CTL5)
[CTL, CHCTL]
Output on
condition
Output off
condition
Input current
VIH 6, 7 to 9 CTL, CTL3 to CTL5
VIL 6, 7 to 9 CTL, CTL3 to CTL5
ICTLH 6, 7 to 9 CTL, CTL3 to CTL5 = 3 V
ICTLL 6, 7 to 9 CTL, CTL3 to CTL5 = 0 V
1.5 ⎯ 11 V
0 ⎯ 0.5 V
5 30 60 µA
⎯ ⎯ 1 µA
General
Standby
current
Power supply
current
ICCS
ICCSO
ICC
5 CTL, CTL3 to CTL5 = 0 V
35 CTL = 0 V
5 CTL = 3 V
⎯0
⎯0
⎯4
2 µA
1 µA
6 mA
* : Standard design value
Note : The pin numbers referred are present on TSSOP-38P package.
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