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MB3878
8
(Continued)
(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)
* : Standard design value
Parameter Symbol
Pin
No.
Conditions
Value
Unit
Min Typ Max
Current detection
amplifier block
(Current Amp.1,
Current Amp.2)
Output voltage
V
OUTCH 2, 10 4.7 4.9 V
V
OUTCL 2, 10 20 200 mV
Output source
current
I
SOURCE 2, 10 OUTC1 = OUTC2 = 2 V −2.0 −0.6 mA
Output sink
current
ISINK 2, 10 OUTC1 = OUTC2 = 2 V 150 300 µA
PWM comparator
block
(PWM Comp.)
Threshold voltage
V
TL
5, 7,
15
Duty cycle = 0 % 1.4 1.5 V
V
TH
5, 7,
15
Duty cycle = 100 %2.5 2.6 V
Output block
(OUT)
Output source
current
I
SOURCE 20
OUT = 11 V, Duty ≤ 5 %
(t = 1 / fOSC × Duty)
−200* mA
Output sink
current
I
SINK 20
OUT = 16 V, Duty ≤ 5 %
(t = 1 / fOSC × Duty)
200* mA
Output ON
resistor
R
OH 20 OUT = −45 mA 8.0 12.0 Ω
ROL 20 OUT = 45 mA 6.5 9.7 Ω
Rise time tr1 20
OUT = 3300 pF
(equivalent to Si4435 × 1)
70* ns
Fall time tf1 20
OUT = 3300 pF
(equivalent to Si4435 × 1)
60* ns
Control block
(CTL)
CTL input voltage
V
ON 14 Active mode 2 25 V
VOFF 14 Standby mode 0 0.8 V
Input current
I
CTLH 14 CTL = 5 V 100 200 µA
I
CTLL 14 CTL = 0 V 01µA
Bias voltage
block (VH)
Output voltage VH 19
VCC = VCC (O)
= 7 V to 25 V,
VH = 0 to 30 mA
VCC −
5.5
VCC −
5.0
VCC −
4.5
V
General
Standby current I
CCS
18,
19
VCC = VCC (O) ,
CTL = 0 V
010µA
Power supply
current
I
CC
18,
19
VCC = VCC (O) ,
CTL = 5 V
8.0 12.0 mA