MB39A115 查看數據表（PDF） - Fujitsu
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MB39A115 Datasheet PDF : 42 Pages
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MB39A115
■ ELECTRICAL CHARACTERISTICS
(VCC = VCCO = 7 V, Ta = +25 °C)
Parameter
Symbol Pin No.
Conditions
Value
Unit
Min Typ Max
VREF1
11 VREF = 0 mA
1.98 2.00 2.02 V
Output voltage VREF2
11 VCC = 2.5 V to 11 V
1.975 2.000 2.025 V
VREF3
11 VREF = 0 mA to −1 mA
1.975 2.000 2.025 V
Reference
Voltage Block
[VREF]
Input stability
Load stability
Temperature
stability
Line
Load
∆VREF/
VREF
11 VCC = 2.5 V to 11 V
11 VREF = 0 mA to −1 mA
11 Ta = 0 °C to +85 °C
⎯ 2* ⎯ mV
⎯ 2* ⎯ mV
⎯ 0.20* ⎯ %
Short-circuit
output current
IOS
11 VREF = 0 V
⎯ −300* ⎯ mA
Under voltage Threshold
lockout
voltage
VTH
34 VCC =
protection
circuit Block
Hysteresis
width
VH
34
⎯
(ch.1 to ch.4)
[UVLO2]
Reset voltage VRST
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
voltage
VTH
30 VCC =
protection
circuit Block
Hysteresis
width
VH
30
⎯
(ch.5)
[UVLO1]
Reset voltage VRST
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 Oscilla-
tor Block
[OSC]
Oscillation
frequency
Frequency
Input stability
Frequency
temperature
stability
fosc1
fosc2
∆fOSC/
fOSC
∆fOSC/
fOSC
29 to
34
29 to
34
29 to
34
CT = 100 pF,
RT = 6.2 kΩ
CT = 100 pF, RT = 6.2 kΩ
VCC = 2.5 V to 11 V
CT = 100 pF, RT = 6.2 kΩ
VCC = 2.5 V to 11 V
29 to CT = 100 pF, RT = 6.2 kΩ
34 Ta = 0 °C to +85 °C
0.95 1.0 1.05 MHz
0.945 1.00 1.055 MHz
⎯ 1.0* ⎯ %
⎯ 1.0* ⎯ %
Soft-Start Block
(ch.1, ch.2)
[CS1, CS2]
Charge
current
ICS
1, 38 CS1, CS2 = 0 V
−13 −10 −7 µA
Soft-Start Block
(ch.3 to ch.5)
[CS3 to CS5]
Charge
current
ICS
19, 20,
27
CS3 to CS5 = 0 V
−1.3 −1.0 −0.7 µA
(Continued)
9
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