TC1221ECHTR

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> Power Management ICs - PMIC

> DC / DC Power Management

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Series Information for TC1221ECHTR - Microchip Technology

Features

  • feature
    96% Voltage Conversion Efficiency
  • feature
    F
  • feature
    Only Two External Capacitors Required
  • feature
    Operates from +1.8V to +5.5V
  • feature
    Power-Saving Shutdown Mode
  • feature
    Up to 25mA Output Current
  • feature
    Voltage Inversion and/or Doubling

Description

CHARGE PUMP CONV SD SOT23A-6
The TC1221/TC1222 are CMOS “charge-pump” voltage converters in ultra-small 6-Pin SOT-23A packages. They invert and/or double an input voltage which can range from +1.8V to +5.5V. Conversion efficiency is typically 96%. Switching frequency is 125kHz for the TC1221, 750kHz for the TC1222. When the shutdown pin is held at a logic low, the device goes into a very low power mode of operation, consuming less than 1µA of supply current. For standard voltage inverter applications, the device requires only two external capacitors. With a few additional components a positive doubler can also be built. All other circuitry, including control, oscillator, power MOSFETs are integrated on-chip. Typical supply currents are 290µA (TC1221) and 1800µA (TC1222). All devices are available in 6-pin SOT-23A surface mount packages. Functional Block Diagram

Specifications

Topology:
Doubler Inverting
Input Voltage Min:
1.8V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOT-23A
No. of Pins:
6Pins
Output Current:
25mA
Output Voltage Min:
3.6V
Output Voltage Max:
11V
Switching Frequency:
-
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
1221
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Primary Input Voltage:
5.5V