MB3888 Datasheet, PDF (9/30 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging Li-ion Battery

MB3888
Parameter
(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)
Sym- Pin
bol No.
Conditions
Rating
Unit
Min
Typ
Max
Input offset voltage
VIO
7, 8,
13, 14
FB1 = FB2 = 2 V
Input bias current
IB
7, 8,
13, 14

Voltage gain
AV 6, 15 DC
Frequency
5-1.
bandwidth
Error amplifier
block
Output voltage
[Error Amp1,
Error Amp2] _{Output source}
current
BW 6, 15 AV = 0 dB
VFBH 6, 15

VFBL 6, 15

ISOURCE 6, 15 FB1 = FB2 = 2 V
Output sink current ISINK 6, 15 FB1 = FB2 = 2 V
OUTD terminal
output leak current
ILEAK
9 OUTD = 17 V

−100


4.7


150

1
−30
100*
2*
4.9
20
−2
300
0
5
mV

nA

dB
 MHz

V
200 mV
−1 mA

µA
1
µA
OUTD terminal
output ON resistor
RON
9 OUTD = 1 mA
Input offset current
VIO
10, 11
+INC = −INC = 3 V to
VCC
I+INCH
11
+INC = 3 V to VCC,
∆Vin = −100 mV
Input current
I−INCH
I+INCL
10
+INC = 3 V to VCC,
∆Vin = −100 mV
11
+INC = 0 V,
∆Vin = −100 mV
6.
I−INCL
10
+INC = 0 V,
∆Vin = −100 mV
Current
detection
amplifier block
VOUTC1
12
+INC = 3 V to VCC,
∆Vin = −100 mV
[Current Amp]
Current detection
VOUTC2
12
+INC = 3 V to VCC,
∆Vin = −20 mV
voltage
VOUTC3
12
+INC = 0 V to 3 V,
∆Vin = −100 mV
VOUTC4
12
+INC = 0 V to 3 V,
∆Vin = −20 mV
In-phase input
voltage range
VCM 10, 11

Voltage gain
AV
12
+INC = 3 V to VCC,
∆Vin = −100 mV

−3


−180
−195
1.9
0.34
1.8
0.2
0
19
35

20
0.1
−120
−130
2.0
0.40
2.0
0.4

20
50
Ω
+3 mV
30 µA
0.2 µA

µA

µA
2.1
V
0.46 V
2.2
V
0.6
V
VCC
V
21 V/V
* : Standard design value.
(Continued)
9