MB39A132QN-G-ERE1 Datasheet, PDF (15/56 Pages) Fujitsu Component Limited. – ASSP For Power Management Applications (Rechargeable Battery) Synchronous Rectification DC/DC Converter IC for Charging Li-ion Battery

MB39A132
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Error amplifier threshold voltage vs.
Operating ambient temperature
16.900
16.875
16.850
16.825
16.800
16.775
16.750
16.725
16.700
-40 -20
VVCC = 19 V
VCTL1 = 5 V
VCELLS = 5 V
0 +20 +40 +60 +80 +100
Operating ambient temperature Ta( °C)
Triangular wave oscillation frequency vs.
Operating ambient temperature
550
540
530
520
510
500
490
480
470
460
450
-40 -20
VVCC = 19 V
VCTL1 = 5 V
RT = 33 kΩ
0 +20 +40 +60 +80 +100
Operating ambient temperature Ta ( °C)
Triangular wave oscillation frequency vs.
Power supply voltage
550
540
530
520
510
500
490
480
470
460
450
0
Ta = + 25°C
VCTL = 5 V
RT = 47 kΩ
5
10
15
20
25
Power supply voltage VVCC (V)
Reference voltage vs.
Operating ambient temperature
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
-40 -20
VVCC = 19 V
VCTL1 = 5 V
IVREF =0 mA
0 +20 +40 +60 +80 +100
Operating Ambient temperature Ta ( °C)
Triangular wave oscillation frequency vs.
Timing resistor
10000
1000
Ta = + 25°C
VVCC = 19 V
VCTL1 = 5 V
100
10
1
10
100
1000
Timing resistor RRT(kΩ)
Power dissipation vs.
Operating ambient temperature
5000
4400
4000
With thermal vias
3000
2000
1900
1000
Without thermal vias
0
-40 -20 0 +20 +40 +60 +80 +100
Operating ambient temperature Ta( °C)
DS04–27265–3E
15