MB39A119 Datasheet, PDF (10/53 Pages) Fujitsu Component Limited. – DC/DC Converter IC of Synchronous Rectification for charging Li-ion battery

MB39A119
(VCC = 19 V, VB = 0 mA, VREF = 0 mA, Ta = +25 °C)
Parameter
Symbol Pin No.
Conditions
Value
Unit
Min Typ Max
VOUTC1
9
+ INC2 = − INC2 = 3 V to 19 V,
∆VIN = 100 mV
2.38
2.48
2.58
V
Current detection
voltage
VOUTC2
VOUTC3
9
+ INC2 = − INC2 = 3 V to 19 V,
∆VIN = 20 mV
0.44
0.52
0.60
V
9
+ INC2 = − INC2 = 0 V to 3 V,
∆VIN = 100 mV
2.24
2.45
2.66
V
VOUTC4
9
+ INC2 = − INC2 = 0 V to 3 V,
∆VIN = 20 mV
0.30
0.5 0.70 V
Current
detection
amplifier
block
[Current
Amp2]
Voltage gain
Input offset voltage
Input current
AV
VIO
I+INCH
I−INCH
9,
10,
11
+ INC2 = − INC2 = 3
∆VIN = 100 mV
V to 19
V,
23.76
9, 10, 11 + INC2 = − INC2 = 3 V to 19 V −1.5
10
+ INC2 = − INC2 = 3 V to 19 V,
∆VIN = 100 mV
⎯
11
+ INC2 = − INC2 = 3 V to 19 V,
∆VIN = 100 mV
⎯
24.5 25.24 V/V
+1.5 +4.5 mV
30 45 µA
0.1* ⎯ µA
IINCL 10, 11 + INC2 = − INC2 = 0 V
−300 −200 ⎯ µA
Frequency
bandwidth
BW 9, 10, 11 AV = 0 dB
⎯ 3.0* ⎯ MHz
Output voltage
VOUTCH
9
VOUTCL
9
⎯
3.9 4.2 ⎯ V
⎯
⎯ 0.04 0.2 V
Output source
current
ISOURCE
9 OUTC2 = 2 V
⎯ −1.2 −0.6 mA
Output sink current ISINK
9 OUTC2 = 2 V
100 200 ⎯ µA
PWM
VTL
compara-
tor block Threshold voltage
[PWM
VTH
Comp.]
14 Duty cycle = 0%
14 Duty cycle = 100%
⎯ 1.5 ⎯ V
⎯ 2.5 ⎯ V
Output
block
[Drv-1, 2]
Output ON
resistance
ROH 24, 27 OUT-1, OUT-2 = −100 mA
ROL 24, 27 OUT-1, OUT-2 = 100 mA
⎯
4
7Ω
⎯
1 3.5 Ω
Under
VTLH
input
Threshold voltage
VTHL
voltage
detection
compara-
tor block ^{Hysteresis width}
VH
[UV
Comp.]
11 −INC2 = 12.6 V
11 −INC2 = 12.6 V
11
⎯
12.6 12.8 13.0 V
12.5 12.7 12.9 V
⎯ 0.1 ⎯ V
* : Standard design value
(Continued)
10