MB3886 Fujitsu Microelectronics, Inc., MB3886 Datasheet - Page 7

• Manufacturer Part Number: MB3886
• Description: 2-channel Dc/dc Converter Ic With Overcurrent Protection Symmetrical-phase Type
• Manufacturer: Fujitsu Microelectronics, Inc.

* : Typical design value
1. Reference
Voltage
Block [Ref]
2. Bias Voltage
Block [VB]
3. Triangular
Waveform
Oscillator
Block [OSC]
4. Undervolt-
age (VCC)
Lockout Circuit
Block [UVLO]
5. Short-circuit
Protection
Circuit Block
[SCP]
6. Overcurrent
Protection
Circuit Block
[OCP]
7. Overvoltage
Protection
Circuit Block
[OVP]
8. Latches
Block [Latch1
to Latch3]
9. Protection
Status Output
Circuit Block
[PSIG]
ELECTRICAL CHARACTERISTICS
Parameter
Output voltage
Input stability
Load stability
Short-circuit
output current
Output voltage
Oscillator
frequency
Frequency/
temperature
variation
Threshold
voltage
Hysteresis
width
Reset voltage
Threshold
voltage
Input source
current
ILIM terminal
input current
Offset voltage
Threshold
voltage
Input bias
current
Reset voltage
Output leakage
current
Output low-
level voltage
Sym-
Load
I
V
V
Line
V
V
I
f
f
bol
V
V
V
V
V
Ios
CSCP
I
V
f
LEAK
V
OSC
OSC
V
OSC
LIM
I
REF
REF
RST
RST
REF
TH
TH
TH
B
OL
IO
B
H
/
/
10, 21
10, 21
3, 28 RT
3, 28
2, 29 CTL
1, 30 PSIG
1, 30 PSIG
Pin
No.
27
27
27
27
27
16
26
26
26
25
25
4
4
Ta
Ta
VCC
VREF
VREF
RT 9.1 k , CT 330 pF
Ta
VCC
INC
INC
0 C to 85 C
0 C to 85 C
9.1 k
25 C
Conditions
5.5 V to 18 V
0 V
5 V
1 mA
0 mA to 1 mA
2 V
(VCC
12 V, VB
3.465
0 mA, VREF
0.63
1.44
Min
106
260
5.0
4.7
1.7
0.8
200
28
14
Values
3.500
0.35
0.68
1.47
Typ
0.5
290
118
5.1
4.9
2.1
1.4
0.1
1
1
1
3
14
10
30
*
*
*
0 mA, Ta
*
MB3886
3.535
Max
0.73
1.50
320
130
5.2
5.1
2.5
0.4
10
10
40
(Continued)
2
7
6
25 C)
Unit
kHz
mV
mV
mA
mV
nA
V
V
V
V
V
V
V
V
V
A
A
A
7