MB39A102 Datasheet, PDF (6/24 Pages) Fujitsu Component Limited. – Evaluation Board

MB39A102
s CONNECTION DIAGRAM
P5
P6
P7
VIN
(2.5 V to 6V)
C31
XXX
GND
P8
P12
P9
A ^{R13 R14}
−INE1
29
Offset voltage±10 mV
3.3 kΩ 12 kΩ
VREF
R15
15 kΩ
CS1
12
µA
Error
− ^Amp1
30
++
C20
a ^{0.1 µF}
R16
C21 ^{2 kΩ}
FB1
L priority
1.24 V
0.047 µF
28
R17 _{DTC1 27}
0 Ω R18
XXX
B R19 R20 −INE2 2
2.4 kΩ 43 kΩ
Offset voltage±10 mV
VREF
Error
R21 15 kΩ _CS2 12 µA
− ^Amp2
1
++
b
C22
0.1 µF
R22
C23
2 kΩ
FB2
L priority
1.24 V
0.047 µF
3
R23 _{DTC2 4}
33 kΩ _R24
C
R25 R26
−INE3
20 kΩ ₁₄
24 kΩ 43 kΩ
VREF
R27 15 kΩ
CS3 12 µA
Offset voltage±10 mV
Error
− ^Amp3
15
C24
R28
c
0.1 µF
C25
2 kΩ
FB3
L priority
0.047 µF
13
++
1.24 V
R29 _{DTC3 12}
3.3 kΩ R30
D
R31 R32
3 kΩ 22 kΩ
R33
20 kΩ_−INE4
17
15 kΩ
VREF
CS4 ^{12 µA}
Offset voltage±10 mV
Error
− ^Amp4
16
C26
R34
d
0.1 µF
C27
1 kΩ
FB4
L priority
++
1.24 V
0.1 µF
18
R35 _{DTC4 19}
30 kΩ _R36
18 kΩ
100 kΩ
−INS ₂₀
Short-circuit detection signal
(L : at short)
Charge current
1 µA
CSCP
11
1V
VREF
SCP
− ^Comp
+
SCP
C28
0.01 µF
UVLO
L priority
PWM
++ ^Comp1
−
CH1
Drive1
Pch
IO = 130 mA
at VCCO = 4 V
L priority
PWM
++^Comp2
−
CH2
Drive2
Pch
IO = 130 mA
at VCCO = 4 V
VCCO
26
C1
R1
0Ω
R3
0.1 µF
0Ω
OUT1
25
R4
0Ω
C3
XXX
P1 _A
Q1
MCH3309
C5
0Ω
L2
22 µH
VO1
2.5 V
IO1 = 250 mA
C4
1 µF
L1 D1 ^C6
XXX ^{SBS004 4.7 µF}
GND1
P2
R5
Q2
MCH3309
0Ω
T1
OUT2
24
C8
1 µF
R6
0Ω
C7
XXX
B
D2
SB05-05CP
C9
D3
2.2 µF
VO2-1
15 V
IO2-1 = 10 mA
VO2-2
5V
SB05-05CP
D4 SB05-05CP
C10 ^{IO2-2 = 50 mA}
C11
2.2 µF
2.2 µF
VO2-3
−7.5 V
IO2-3 = −5 mA
L priority
PWM
++^Comp3
−
CH3
Drive3
Pch
IO = 130 mA
at VCCO = 4 V
L priority
PWM
++^Comp4
−
CH4
Drive4
Nch
Using same
transformer
OUT3
23
P3
R9
Q4
MCH3309
0Ω
R10
0Ω
C13 _C12
1 µF ^XXX T2
C
D5
SB05-05CP
C14
2.2 µF
D6
SB05-05CP
C15
2.2 µF
GND2
VO3-1
15 V
IO3-1 = 10 mA
VO3-2
5V
IO3-2 = 50 mA
OUT4
22
GND0
21
P4
D
R11 L3 ^C18
GND3
VO4
3.3 V
IO4 = 500 mA
IO = 130 mA
at VCCO = 4 V
H
at SCP
H :UVLO
release
bias
ErrorAmp Power
Supply
SCPComp Power
Supply
ErrorAmp Reference
1.24 V
VCC
5
C2
0.1 µF
0Ω
R12
180 Ω
C16
4700 PF
R2
0Ω
10 µH 4.7 µF _D7
SBS004
L4
15 µF
Q5
C17 CPH3206
1 µF
C19
10 µF
GND4
OSC
0.9 V
VREF
Power
VR1ON/OFF
6
CTL
CTL*
e
0.4 V
Accuracy
89
RT P10 CT
R37
24 kΩ
C29
100 pF
Accuracy
±10%
1.5 MHz
Correspon-
dence
2.0 V
±1%
7
P11
VREF
C30
Accuracy
0.1 µF
±1%
10
GND
IC GND
* : H : ON (Power ON)
L : OFF (At standby)
VTH = 1.4 V
Note : Fixed value of not mounted parts is described
by XXX.
SW1
CS1 OPEN ^ON
CS2 OPEN ^ON
CS3 OPEN ^ON
CS4 OPEN ^ON
CTL
OFF
OFF _a
OFF _b
OFF _c
OFF _d
ON
e
IC is operating, and all channels
are ON state in above diagram.
6