MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 6

• Manufacturer Part Number: MB3878
• Description: DC/DC Converter IC for Charging
• Manufacturer: Fujitsu Media Devices

6
MB3878
* : Standard design value.
Reference
voltage block
(Ref)
Under voltage
lockout protection
circuit block
(UVLO)
Soft-start block
(SOFT)
Triangular
waveform
oscillator circuit
block (OSC)
Error amplifier
block
(Error Amp.1,
Error Amp.2)
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
Common mode
input voltage
range
Voltage gain
Frequency
bandwidth
Output voltage
Output source
current
Output sink
current
Symbol
I
SOURCE
Load
V
Line
V
V
V
V
V
I
f
V
V
Ios
V
B
V
V
I
OSC
f/fdt
A
SINK
I
REF
CS
TLH
THL
TLH
THL
FBL
CM
FBH
B
IO
W
H
H
V
3, 4,
3, 4,
3, 4,
8, 9
8, 9
8, 9
5, 7 DC
5, 7 A
5, 7
5, 7
5, 7 FB1
5, 7 FB1
Pin
No.
18
18
18 VCC
22
20 RT
20 Ta
6
6
6
6
6
6
6
(Ta
Ta
Ta
VCC
VREF 0 mA to 1 mA
VREF
VCC
VCC
VCC
VCC
VREF
VREF
V
FB1
H
V
V
0 dB
25 C, VCC
Conditions
47 k
25 C
30 C to 85 C
TLH
30 C to 85 C
FB2
FB2
FB2
7 V to 25 V
VCC (O) ,
VCC (O) ,
VCC (O)
1 V
V
THL
2 V
2 V
2 V
19 V, VCC (O)
4.995
4.945
Min.
0.05
260
150
6.1
5.1
0.7
2.6
2.4
4.7
100
1.3
25
0
Value
5.000
5.000
Typ.
0.20
100*
290
300
2.0*
6.4
5.4
1.0
2.8
2.6
4.9
20
0.8
2.0
1*
3
1
15
1
30
19 V, VREF
5.045
5.055
V
Max.
0.35
320
200
6.7
5.7
1.3
3.0
2.8
1.8
10
10
CC
0.5
0.6
(Continued)
5
5
0 mA)
MHz
Unit
kHz
mV
mV
mA
mV
mV
mA
nA
dB
V
V
V
V
V
V
V
V
V
V
A
A