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LDO

CN8501MXXX

LDO

Chip Features

Ultra-low Quiescent Current: 0.8μA(VIN=12V)
Shutdown Current: 0.01uA
Input Range: 2.8V-20V
Output Range: 1.8V-5V (0.1V interval)
High Precision: ±2%
Maximum Output Current: 500mA
Enabling Control
Output Discharge
Output Short Circuit Protection
Thermal Shutdown

CN84AXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：50mV @ I_OUT = 100mA @ V_OUT =3.3V
Maximum output current：1A
Input Voltage Range：Max 12V
Enabling Control
Output short circuit protection
Thermal shutdown

CN84LXXX

LDO

Chip Features

Working voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection and overheat protection

CN84MXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：50mV @ I_OUT = 100mA @ V_OUT =3.3V
Maximum Output Current：500mA
Input Voltage Range：Max 12V
Enabling Control
Output short circuit protection
Thermal shutdown

CN84SXXX

LDO

Chip Features

Working voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 0.15A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection and overheat protection

CN85LXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：80mV @ I_OUT = 100mA, V_OUT =5V
Maximum output current：300mA
Input voltage range：Max 20V
Enabling control
Output short circuit protection
Thermal shutdown

CN86LXXX

LDO

Chip Features

Ultra-low quiescent current: 1.2μA
High accurate：±2%
Low dropout voltage：200mV@I_OUT=100mA, V_OUT =3.3V
Maximum output current：300mA
Input Voltage Range：Max 36V
Output short circuit protection
Thermal shutdown

CN86MXXX

LDO

Chip Features

Operating voltage (range): 2.9~30V
Quiescent current: 1.2μA
Output current: 0.5A
Output voltage accuracy deviation: ±2%
Output voltage: 2.8/3.0/3.3/3.6/4.0/5.0/5.6/12.0V
With output short circuit protection function and overheat protection function

CN87LXXX

LDO

Chip Features

Operating voltage (range): 1.5~6V
Quiescent current: 0.6μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6V
With output short circuit protection and overheat protection

CN87MXXX

LDO

Chip Features

Ultra-low quiescent current：600nA
Standby current：≤10nA
High precision：±2%
Low dropout voltage：60mV @ IOUT = 100mA @ VOUT = 3.3V
Maximum output current：500mA
Input voltage range：Max 6.0V
Enable control
Foldback current limit protection

PSR ACDC

CN1609

PSR ACDC

Chip Features

Wide input AC range: 90Vac~265Vac
Output power: 3~5W
Up to 70KHz operating frequency
Excellent system ESD performance
Adjustable cable compensation(3%~8%)
Adjustable line compensation
High Efficiency Quasi Resonance Mode
Over temperature protection
Output over-voltage protection
Output short circuit protection

CN1611

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 15W

CN1810 (External MOS)

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 30 W

CN1811

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 30W

SSR ACDC

CN1101

SSR ACDC

Chip Features

Built-in 900V power MOSFET
Built-in high-voltage startup circuit
Built-in line voltage compensation and slope compensation
Integrated frequency extension technology
PWM/PFM/PSM hybrid control mode
No-load power consumption<50mW@230VAC
Complete protection functions (OCP, OLP, UVLO, VDD OVP, OTP)

CN1001

SSR ACDC

Chip Features

Built-in high-voltage startup circuit
Built-in line voltage compensation and slope compensation
Integrated frequency extension technology
PWM/PFM/PSM hybrid control mode
No-load power consumption<50mW@230VAC
Complete protection functions (OCP, OLP, UVLO, VDD OVP, OTP)

Non-isolated DCDC

CN2901

Non-isolated DCDC

Chip Features

Up to 95% Efficiency
200mV ±3% Feedback Reference Voltage
1MHz Fixed Operation Frequency
Maximum 25V output
Power Save PFM Mode at Light Load
Soft-start Limits Output Overshoot and Inrush Current
3.5A Cycle by Cycle Current Limit Protection
OVP Protection
Thermal Shutdown

Isolation DCDC

CN35K180

Isolation DCDC

Chip Features

Highly integrated, simple periphery
Maximum output power: 3W
4-24V Input Voltage Range
Adjustable switching frequency: 200KHz-2MHz, suitable for small transformer size
Adjustable duty cycle: 50% maximum
Over temperature protection and over current protection

PMU

CN8911B

PMU

Chip Features

In 1 PMU, 2-Bucks, 1-Boost, 1-SuperCap Charger
Fixed output buck converter: 3.3V/500mA
Adjustable output buck converter: 1V-5V
Boost converter: 12V/300mA
Super capacitor charger: 2.5V/60mA
High Efficiency Pulse Skip Mode at Light Load
Power Down Detection and Indication
Auto-alternated Boost Mode and Charger Mode
Hiccup Mode OCP Protections
Thermal Shutdown

Signal detection and protection devices

Leakage detection chip

Zero Crossing Detection Chip

CN71102

Zero Crossing Detection Chip

Chip Features

Low power consumption, quiescent current <1uA
High detection accuracy
Effective power line noise filtering
Integrated rectifier diode
Integrated voltage regulator diode
Few peripheral components

Control drive device

Relay/Motor Driver

CN8001

Motor drive

Chip Features

Wide Power Range: 2.7V to 6V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8001A

Motor drive

Chip Features

Wide Power Range: 2.5V to 6V
Peak current limiting protection:2.5A
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown
OCP: 2.5A

CN8001B

Motor drive

Chip Features

Wide Power Range: 2.7V to 6V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8031

Motor drive

Chip Features

Wide Power Range: 4.5V to 24V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.3Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8033

Motor drive

Chip Features

Wide Power Range: 4V to 24V
Peak current limiting protection:3.5A
Low MOSFET On Resistance: Rhs=0.4Ω, Rls=0.2Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8033B

Motor drive

Chip Features

Wide Power Range: 4V to 24V
Peak current limiting protection:3.5A
Low MOSFET On Resistance: Rhs=0.4Ω, Rls=0.2Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8021

Relay driver

Chip Features

Recommended Supply Voltage Range: 3.5 ~40V
Peak current limiting protection:800mA
Ambient Temperature Range: -40 ~+105°C
Compatible with 3~5V MCU
Input Signal Anti-Noise Processing

CN8023

Relay driver

Chip Features

ecommended Supply Voltage Range: 5 ~ 36V
Up to 450mA current output when adding 1/20 duty cycle input signal.
Operating Temperature Range: -40 ~+105°C
Compatible with 3~5V MCU
Input Signal Anti-Noise Processing

Power amplifier devices

Line Driver

CN6212

Line Driver

Chip Features

Operating voltage: 6V to 28V
Large signal bandwidth：> 20MHz
3rd harmonic suppression：40dBc @ 10M / 10Vpp / 50Ωload,50dBc @ 5M / 10Vpp / 50Ωload,60dBc @ 2M / 10Vpp / 50Ωload,76dBc @ 500K / 10Vpp / 50Ωload
2nd harmonic suppression：55dBc @ 10M / 10Vpp / 50Ωload,60dBc @ 5M / 10Vpp / 50Ωload,70dBc @ 2M / 10Vpp / 50Ωload,80dBc @ 500K / 10 Vpp /50Ωload
Operating current externally set, digitally controllable
Slew rate：500 V/μs
Maximum differential output：2x operating voltage -6V@50Ωload
TTL / CMOS compatible
Temperature range -40°C to +85°C

CN6212A

Line Driver

Chip Features

Operating voltage：6V to 28V
Large signal bandwidth：>20MHz
3rd harmonic suppression：> 40dBc @ 10M / 10Vpp / 50Ωload，> 50dBc @ 5M / 10Vpp / 50Ωload，> 60dBc @ 2M / 10Vpp / 50Ωload，> 76dBc @ 500K / 10Vpp / 50Ωload
2nd harmonic suppression：> 55dBc @ 10M / 10Vpp / 50Ωload,> 60dBc @ 5M / 10Vpp / 50Ωload,> 70dBc @ 2M / 10Vpp / 50Ωload,> 80dBc @ 500K / 10 Vpp /50Ωload
Operating current externally set, digitally controllable
Slew rate：500 V/μs
Maximum differential output：2x operating voltage -6V@50Ωload
TTL / CMOS compatible
Temperature range -40°C to +85°C

Display driver devices

Segment LCD Driver

CN90C4S40

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, 1/3bias voltages supporting a maximum of 160 segments
Low power consumption design, 6uA current at typical condition
Incorporates an internal OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required
Includes an I2C interface
Compatible with TTL/CMOS
High EMC immunity

CN90C8S35

Segment LCD Driver

Chip Features

Fixed 1/4 Bias, 1/8 Duty.
35*8 = 280 bits, with built-in buffer amplifier.
Low power consumption design, 5uA current at typical condition.
Internal LCD Contrast control Circuit
No external component required
Interface: 2 wire serial interfaces
Compatible with TTL/CMOS
Integrated reset and oscillator circuits.

CN91C4S48

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, Up to 192 dots
Low power consumption design, 6uA current at typical condition
Built-in OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required

CN91C4S96

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, Up to 384 dots
Low power consumption design, 6uA current at typical condition
Built-in OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required

Communication devices

HPLC

CN8513/8514

HPLC&HRF dual-mode chip

Chip Features

CPU maximum frequency can reach 200MHz
Frequency dynamic switching, effectively reducing power consumption
Built-in encryption and decryption engine
Support JATG online debugging
Support global maskable interrupts
Built-in 1.5M SRAM
Support SPI, support CPU BOOT from SPI port
Support UART and debugging functions
Support general GPIO function
Support 32-bit counter (timer) function
Ethernet chip PHY, equipped with MDIO and RMII ports
Support DMA function
Equipped with hardware watchdog
One-time write eFuse function
State Grid dual-mode (wired-wireless) communication protocol

485

RS485(N) National Grid Certified Products

485

Chip Features

The RS485 is a +5V, half-duplex, ±15KV ESD protected RS485/RS422 transceiver circuit. The circuit contains single channel driver and single channel receiver internally.
The RS485 is a half-duplex type with drive enable (DE) and receive enable (RE) pins. When in the off state, the drive and receive outputs are high resistance.
The RS485 has a fail-safe circuit to ensure correct receiver output when the receiver input is open or shorted.
The RS485 receiver input impedance is 1/8 unit load, allowing up to 256 transceivers to be hooked up to the bus.

CN485(N)

485

Chip Features

CN3485W

485

Chip Features

3.3V/5V supply voltage
enhanced slew rate limiting helps reduce output EMIand reflections caused by mismatched terminal connections, achieving 500kbps error-free data transmission
Communication ports provide ±15kVHuman Body ModelESDprotection
Communication ports provide ±15kVHuman Body ModelESDprotection
Roman">Fail-safefunction
With1/8unit load, up to256transceivers can be connected on the same bus
Using Roman">8pinSOpackage
Scenario Application
Single-phase energy meter Electricity meter/water and gas meter Monitor Smart Home Small appliances/toys/treadmills BMS Solutions Car Instruments Smart Switch Leakage protector
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Current Location： Home > Products > Power Management Devices > LDO > LDO

LDO-CN84AXXX

The CN84AXXX is a low power linear regulator with current limit protection. It can provide up to 1A output current with a quiescent current of 2.5μA. It has internal short circuit protection and thermal protection. It is available in SOT89-3, SOT89-5, DFN2X2-6, SOT23-5, SOT23-3, SOT-223, and TO-252 packages.

LDO

Chip Features

Ultra-low quiescent current: 2.5μA

High accuracy：±2%

Low dropout voltage：50mV @ I_OUT = 100mA @ V_OUT =3.3V

Maximum output current：1A

Input Voltage Range：Max 12V

Enabling Control

Output short circuit protection

Thermal shutdown

Sample Request

Product Data Sheet Preview

English Data Sheet

Other related materials

Typical Applications

Ordering Information

Product Number	Package	Quantity/Tape
CN84AXXXDSR	DFN2x2-6	4000/ Tape
CN84AXXXTCR	SOT23-5	3000/ Tape
CN84AXXXTGR	SOT23-3	3000/ Tape
CN84AXXXOGR	SOT89-3	1000/ Tape
CN84AXXXAOGR	SOT89-3	1000/ Tape
CN84AXXXOBR	SOT89-5	1000/ Tape
CN84AXXXMGR	SOT-223	2500/ Tape
CN84AXXXRGR	TO-252	80/ Tape
CN84AXXXTCRA	SOT23-5	3000/ Tape

Product Number	Output voltage
CN84A018	VOUT=1.8V
CN84A028	VOUT=2.8V
CN84A030	VOUT=3.0V
CN84A033	VOUT=3.3V
CN84A036	VOUT=3.6V
CN84A040	VOUT=4.0V
CN84A050	VOUT=5.0V