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Part Number: MB39A113
Description: MB39A113 is a DC/DC converter IC of pulse width modulation (PWM) type for charging, capable of indepen...
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MB39A113
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General Description
MB39A113 General Description
MB39A113 is a DC/DC converter IC of pulse width modulation (PWM) type for charging, capable of independently controlling the output voltage and output current. MB39A113 is suitable for down conversion.
MB39A113 can dynamically control the charge current of the secondary battery, to keep the power constant by detecting a voltage drop in an AC adapter (dynamically-controlled charging) .
MB39A113 can easily set the charge current value, making it ideal for use as a built-in charging device in products such as notebook PC.
MB39A113 Maximum Ratings
|
Parameter |
Symbol |
Conditions |
Rating |
Unit | |
|
Min. |
Max. | ||||
|
Power supply voltage |
VCC |
VCC terminal |
- |
28 |
V |
|
Output current |
IOUT |
- |
- |
60 |
mA |
|
Peak output current |
IOUT |
Duty 5% (t = 1/fosc*Duty) |
- |
700 |
mA |
|
Power dissipation |
PD |
Ta +25 °C |
- |
740* |
mW |
|
Storage temperature |
Tstg |
- |
55 |
+125 |
°C |
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
MB39A113 Features
• Built-in dual constant-current control circuits
• Analog control of charge current is possible. (+INE1 and +INE2 terminals)
• Built-in AC adapter detection function (fixing the output in the off state when the VCC voltage is lower than the
battery voltage + 0.2 V)
• Possible to prevent mis-detecting of fully-charged state by constant-voltage control state detection function
(CVM terminal)
• Built-in overvoltage detection function of charge-voltage (OVP terminal)
• Wide range of operating power-supply voltage : 8 V to 25 V
• Output voltage setting accuracy : ± 0.74% (Ta = -10 °C to + 85 °C)
• Built-in high accuracy current detection amplifier : ± 5% (At the input voltage difference of 100 mV) ,
± 15% (At the input voltage difference of 20 mV)
• Output voltage setting resistor is open to enable prevention of invalidity current at IC standby. (ICC = 0 mA Typ)
• Oscillation frequency range : 100 kHz to 500 kHz
• Built-in current detection amplifier with wide in-phase input voltage range : 0 V to VCC
• Built-in soft-start function independent of loads
• Built-in standby current function : 0 A (Typ)
• Built-in totem-pole output stage supporting P-channel MOS FETs devices
• Analog control of charge current is possible. (+INE1 and +INE2 terminals)
• Built-in AC adapter detection function (fixing the output in the off state when the VCC voltage is lower than the
battery voltage + 0.2 V)
• Possible to prevent mis-detecting of fully-charged state by constant-voltage control state detection function
(CVM terminal)
• Built-in overvoltage detection function of charge-voltage (OVP terminal)
• Wide range of operating power-supply voltage : 8 V to 25 V
• Output voltage setting accuracy : ± 0.74% (Ta = -10 °C to + 85 °C)
• Built-in high accuracy current detection amplifier : ± 5% (At the input voltage difference of 100 mV) ,
± 15% (At the input voltage difference of 20 mV)
• Output voltage setting resistor is open to enable prevention of invalidity current at IC standby. (ICC = 0 mA Typ)
• Oscillation frequency range : 100 kHz to 500 kHz
• Built-in current detection amplifier with wide in-phase input voltage range : 0 V to VCC
• Built-in soft-start function independent of loads
• Built-in standby current function : 0 A (Typ)
• Built-in totem-pole output stage supporting P-channel MOS FETs devices
MB39A113 Connection Diagram
MB39A113
PDF/DataSheet Download
- Datasheet: MB39A113
- File Size: 658983 KB
- Manufacturer: ETC [ETC]
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