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TC1189
  • TC1189

TC1189

In Production

Delivering up to 120mA, the TC1188 and TC1189 are fixed output, low-dropout linear regulators that operate from a +2.5V to +6.0V input range. The 50µA supply current remains independent of load, making these devices ideal for battery-operated portable equipment. The output of the TC1188/1189 is preset at 3.15V, 2.84V, 2.80V or 1.80V. (Other output voltage options are available. contact Microchip Technology for more information.) In addition to low-power shutdown, short-circuit protection, and thermal shutdown protection, the TC1189 includes an auto-discharge function that actively discharges the output voltage to ground when the device is in shutdown mode. Both devices are pin-compatible with the Maxim MAX8863/8864 LDOs and are available in SOT-23-5 pack-ages....

Microchip Technology TC1189 Product Info

16 April 2026 0

Parameters

VIN Min (V) V (volt)

2.7

VIN Max V (volt)

6

VOUT V (volt)

1.8, 2.8, 2.84, 3.15

IOUT #1 Max mA (milliampere)

120

Rated IOUT Max mA (milliampere)

120

Quiescent Current µA (microampere)

50

Voltage Drop Typ (mV)

130

Adjustable VOUT

No

Reverse Battery

No

Bypass Pin

No

Current Limit

Yes

Shutdown EN

Yes

Power Good Signal

No

Thermal Shutdown

Yes

Features

  • Pin-Compatible with MAX8863/8864
  • Low, 55mV Dropout Voltage @ 50mA IOUT
  • Low, 50µA Operating Supply Current (Even in Dropout)
  • 140µsec (typ.) Turn-On Response Time from SHDN
  • Low, 350VRMS Output Noise
  • Miniature External Components
  • Thermal Overload Protection
  • Output Current Limit
  • Low-Power Shutdown Mode

Description

Delivering up to 120mA, the TC1188 and TC1189 are fixed output, low-dropout linear regulators that operate from a +2.5V to +6.0V input range. The 50µA supply current remains independent of load, making these devices ideal for battery-operated portable equipment. The output of the TC1188/1189 is preset at 3.15V, 2.84V, 2.80V or 1.80V. (Other output voltage options are available. contact Microchip Technology for more information.) In addition to low-power shutdown, short-circuit protection, and thermal shutdown protection, the TC1189 includes an auto-discharge function that actively discharges the output voltage to ground when the device is in shutdown mode. Both devices are pin-compatible with the Maxim MAX8863/8864 LDOs and are available in SOT-23-5 pack-ages.

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