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TPIC74100-Q1

Features: ` Switch-Mode Regulator 5 V ±2%, Normal Mode 5 V ±3%, Low-Power or Crossover Mode` Switching Frequency, 440 kHz (typical)` Input Operating Range, 1.5 V to 40 V, (Vdriver) 1-A Load-Current Capability 200-mA Load-Current Capability Down to 2-V Input (Vdriver) 120-mA Load-Current Capability...

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SeekIC No. : 004526409 Detail

TPIC74100-Q1: Features: ` Switch-Mode Regulator 5 V ±2%, Normal Mode 5 V ±3%, Low-Power or Crossover Mode` Switching Frequency, 440 kHz (typical)` Input Operating Range, 1.5 V to 40 V, (Vdriver) 1-A Load-Current ...

TPIC74100-Q1 Data Sheet

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Part Number:
TPIC74100-Q1
Supply Ability:
5000

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Product Details

Description



Features:

` Switch-Mode Regulator
5 V ±2%, Normal Mode
5 V ±3%, Low-Power or Crossover Mode
` Switching Frequency, 440 kHz (typical)
` Input Operating Range, 1.5 V to 40 V, (Vdriver)
1-A Load-Current Capability
200-mA Load-Current Capability Down to 2-V Input (Vdriver)
120-mA Load-Current Capability Down to 1.5-V Input (Vdriver)
` Enable Function
` Low-Power Operation Mode
` Switched 5-V Regulated Output on 5Vg With Current Limit
` Programmable Slew Rate and Frequency Modulation for EMI Consideration
` Reset Function With Deglitch Timer and Programmable Delay
` Alarm Function for Undervoltage Detection and Indication
` Thermally Enhanced Package for Efficient Heat Management


Application

· Automotive Electronic Controller Power Supply


Pinout

Connection Diagram


Specifications

Unregulated input voltage, V(driver) (2) 0.5 V to 40 V
Unregulated inputs, V(AIN), V(ENABLE) (2) 0.5 V to 40 V
Bootstrap voltages V(Cboot1) 52 V
V(Cboot2) 14 V
Switch mode voltages V(L1) 1 V to 40 V
V(L2) 1 V to 7 V
Logic input voltages, V(Rmod),V(SCR0),V(SCR1),V(CLP), and V(5Vg_ENABLE) (2) 0.5 V to 7 V
Low output voltages, V(RESET),V(AOUT),V(logic), and V(REST) (2) 0.5 V to 7 V
Electrostatic-discharge
susceptibility		 V(HBMESD) (3), pin 7 (L2), pin 8 (VOUT), pin 9 (5Vg) 800 V
V(HBMESD) (3), pins 16 and 1020 2 kV
Thermal impedance, junction-to-case, RqJC (4) 2/W
Thermal impedance,
junction-to-ambient		 RqJA (4) 32/W
RqJA (5) 40/W
Continuous power dissipation, PD See Dissipation
Rating Table
Operating virtual junction temperature range, TJ 40 to 150
Operating ambient temperature range, TA 40 to 125
Storage temperature range, Tstg 65 to 125
Lead temperature (soldering, 10 s), T(LEAD) 260

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to ground.
(3) The human body model is a 100-pF capacitor discharged through a 1.5-kW resistor into each terminal.
(4) The thermal data is based on using 2-oz. copper trace with at least four square inches of copper footprint for heat dissipation. The copper pad is soldered to the thermal land pattern. Correct attachment procedure must be incorporated.
(5) The thermal data is based on using 1-oz. copper trace with at least four square inches of copper footprint for heat dissipation. The copper pad is soldered to the thermal land pattern. Correct attachment procedure must be ncorporated.




Description

The TPIC74100-Q1 is a switch-mode regulator with integrated switches for voltage-mode control. With the aid of external components (LC combination), the device regulates the output to 5 V ±3% for a wide input-voltage range.

The TPIC74100-Q1 offers a reset function to detect and indicate when the 5-V output rail is outside of the specified tolerance. This reset delay is programmable using an external timing capacitor on the REST terminal.

Additionally, an alarm (AOUT) feature is activated when the input supply rail Vdriver is below a prescaled specified alue (set by the AIN terminal).

The TPIC74100-Q1 has a frequency-modulation scheme to minimize EMI. The clock modulator permits a modulation of the switching frequency to reduce interference energy in the frequency band.The 5Vg output is a switched 5-V regulated output with internal current limiting to prevent RESET from being asserted when powering a capacitive load on the supply line. This function is controlled by the 5Vg_ENABLE terminal. If there is a short to ground on this output (5Vg output), the output self-protects by operating in a chopping mode. This does, however, increase the output ripple voltage on VOUT during this fault condition.




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