MB3887PFV FUJITSU [Fujitsu Component Limited.], MB3887PFV Datasheet - Page 8

• Manufacturer Part Number: MB3887PFV
• Description: DC/DC Converter IC for Charging Li-ion battery
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

8
MB3887
* : Standard design value.
1.
Reference
voltage block
[REF]
2.
Under voltage
lockout protec-
tion circuit
block
[UVLO]
3.
Soft-start block
[SOFT]
4.
Triangular
waveform os-
cillator circuit
block
[OSC]
5-1.
Error amplifier
block
[Error Amp1,
Error Amp2]
ELECTRICAL CHARACTERISTICS
Parameter
Output voltage
Input stability
Load stability
Short-circuit output
current
Threshold voltage
Hysteresis width
Threshold voltage
Hysteresis width
Charge current
Oscillation
frequency
Frequency
temperature
stability
Input offset voltage
Input bias current
In-phase input
voltage range
Voltage gain
Frequency
bandwidth
Output voltage
Output source
current
Output sink current
I
Sym-
V
V
Load
∆f/fdt
SOURCE
Line
V
V
V
V
V
I
f
V
BW
V
bol
Ios
V
V
V
I
A
SINK
OSC
REF1
REF2
I
CS
TLH
THL
TLH
THL
FBL
CM
FBH
B
IO
H
H
V
3, 4,
3, 4,
3, 4,
8, 9
8, 9
8, 9
5, 7 DC
5, 7 AV = 0 dB
5, 7
5, 7
5, 7 FB1 = FB2 = 2 V
5, 7 FB1 = FB2 = 2 V
Pin
No.
18
18
18
22
20
20
6
6
6
6
6
6
6
6
Ta = +25 °C
Ta = −10 °C to +85 °C
VCC = 8 V to 25 V
VREF = 0 mA to −1 mA
VREF = 1 V
VCC = VCC (O) ,
VCC =
VCC = VCC (O) ,
VCC =
VCC = VCC (O)
VREF =
VREF =
RT = 47 kΩ
Ta = −30 °C to +85 °C
FB1 = FB2 = 2 V
(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)
Conditions
⎯
⎯
⎯
⎯
⎯
⎯
4.967
−100
4.95
Min
−50
−14
260
150
6.2
5.2
2.6
2.4
4.7
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0
Value
5.000
5.00
Typ
1.0*
100*
−25
−10
290
−30
300
6.4
5.4
2.8
2.6
0.2
4.9
20
−2
⎯
1*
2*
3
1
1
V
CC
5.041
Max
5.05
−12
320
200
6.6
5.6
3.0
2.8
10
10
−6
−1
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
5
− 1.8
(Continued)
MHz
Unit
kHz
mV
mV
mA
mV
mV
mA
µA
nA
dB
µA
%
V
V
V
V
V
V
V
V
V
V