參數(shù)資料
型號(hào)： 935083750112
廠商： NXP SEMICONDUCTORS
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PSFM9
封裝： PLASTIC, SIP-9
文件頁(yè)數(shù)： 12/28頁(yè)
文件大?。?/td> 240K
代理商： 935083750112
July 1994
2
Philips Semiconductors
Product specication
Multiple output voltage regulator
TDA3602
FEATURES
Two VP state controlled regulators (REG1 and REG2)
Regulator 3 operates during load dump or thermal
shutdown
Multi-function control pin
A back-up circuit for Regulator 3 via a single capacitor
Supply voltage of 6 V to 50 V (a voltage of 3 V on VP
does not discharge capacitor Cbu)
Low reverse current Regulator 3
Low quiescent current in coma mode
HOLD output
RESET output (LOW at load dump)
High ripple rejection.
PROTECTIONS
Foldback current limit protection (Regulators 1 and 2)
Load dump protection
Thermal protection
DC short-circuit safe to ground and VP of all regulator
outputs
Reverse polarity safe of pin 1 (VP). No high currents are
flowing which can damage the IC
Capable of handling high energy on the regulator
outputs.
GENERAL DESCRIPTION
The TDA3602 is a multiple output voltage regulator,
intended for use in car radios with or without a
microprocessor. It contains two fixed voltage regulators
with foldback current protection (Regulators 1 and 2), and
one fixed voltage regulator that also operates during load
dump and thermal shutdown. This regulator can be used
to supply a microprocessor.
A back-up circuit supplies Regulator 3 during a short
period after the power is cut off (negative field decay or
engine start procedure). A state control pin (pin 4) controls
the device, which can be switched through four stages
using the information at this pin. The switching levels at
this pin contain hysteresis.
RESET and HOLD outputs can be used to interface with a
microprocessor. The RESET signal can be used to call up
or initialize a microprocessor (power-on reset). The HOLD
signal can be used to control the power stages (mute
signal in a low end application), or to generate a HOLD
interrupt (microprocessor application).
An internal Zener diode on the back-up pin allows this pin
to withstand a load dump when supplied by the pin using a
100
series resistor.
The supply pin can withstand load dump pulses and
negative supply voltages.
相關(guān)PDF資料
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