MB39A108 Просмотр технического описания (PDF) - Fujitsu
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MB39A108 Datasheet PDF : 45 Pages
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MB39A108
■ ELECTRICAL CHARACTERISTICS
(VCC = VCCO = 4 V, Ta = + 25 °C)
Parameter
Symbol Pin No.
Conditions
Value
Unit
Min Typ Max
Output
voltage
VREF1
VREF2
VREF3
11 VREF = 0 mA
1.98 2.00 2.02 V
11 VCC = 2.5 V to 11 V
1.975 2.000 2.025 V
11 VREF = 0 mA to − 1 mA 1.975 2.000 2.025 V
Reference
voltage block
[VREF]
Input stability Line
11 VCC = 2.5 V to 11 V
⎯
2*
⎯ mV
Load stability Load 11 VREF = 0 mA to − 1 mA ⎯
2*
⎯ mV
Temperature ∆VREF/
stability
VREF
11 Ta = 0 °C to + 85 °C
⎯ 0.20* ⎯ %
Short-circuit
output current
IOS
11 VREF = 0 V
⎯ − 130* ⎯ mA
Under voltage
Threshold
lockout protection voltage
VTH
circuit block
(CH1 to CH3)
Hysteresis
width
VH
[UVLO1_3]
Reset voltage VRST
34 VCC =
34
⎯
34 VCC =
1.7 1.8 1.9 V
0.05 0.1 0.2 V
1.55 1.7 1.85 V
Under voltage
Threshold
lockout protection voltage
VTH
circuit block
(CH4, CH5)
Hysteresis
width
VH
[UVLO4_5]
Reset voltage VRST
30 VCC =
30
⎯
30 VCC =
1.35 1.5 1.65 V
0.02 0.05 0.1 V
1.27 1.45 1.63 V
Short-circuit
Threshold
voltage
VTH
15
detection block
[SCP]
Input source
current
ICSCP
15
⎯
0.65 0.70 0.75 V
⎯
− 1.4 − 1.0 − 0.6 µA
Triangular wave
oscillator block
[OSC]
Oscillation
frequency
Frequency
input stability
Frequency
temperature
stability
fOSC1
fOSC2
∆fOSC/
fOSC
29 to 34 CT = 100 pF, RT = 6.8 kΩ
29 to 34
CT = 100 pF, RT = 6.8 kΩ
VCC = 2.5 V to 11 V
29 to 34
CT = 100 pF, RT = 6.8 kΩ
VCC = 2.5 V to 11 V
0.92
0.917
⎯
∆fOSC/
fOSC
29 to 34
CT = 100 pF, RT = 6.8 kΩ
Ta = 0 °C to + 85 °C
⎯
0.97
0.97
1.0*
1.0*
1.02 MHz
1.023 MHz
⎯%
⎯%
Soft-start block
(CH1, CH2)
[CS1, CS2]
Charge
current
ICS 1, 38 CS1, CS2 = 0 V
− 13 − 10 − 7 µA
Soft-start block
(CH3 to CH5)
[CS3 to CS5]
Charge
current
ICS
19, 20,
27
CS3 to CS5 = 0 V
− 1.3 − 1.0 − 0.7 µA
* : Standard design value
(Continued)
9
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