Position: Home  > All Categories> Integrated Circuits (ICs) > CA3277

CA3277

Features: • Dual 5V Regulator- VOUT1 at 5V 100mA - Standby- VOUT2 at 5V 100mA - Enabled- Regulation Range 6V to 18V- Bandgap Voltage References• Low Quiescent Idle Current, 500A Typ.• Over-Voltage Shutdown Protection, 20.5V Typ.• Reverse Battery Protection, -26V Max.•...

product image

CA3277 Picture
See larger image
SeekIC No. : 004310318 Detail

CA3277: Features: • Dual 5V Regulator- VOUT1 at 5V 100mA - Standby- VOUT2 at 5V 100mA - Enabled- Regulation Range 6V to 18V- Bandgap Voltage References• Low Quiescent Idle Current, 500A Typ.R...

CA3277 Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
CA3277
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2025/3/13

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

• Dual 5V Regulator
- VOUT1 at 5V 100mA - Standby
- VOUT2 at 5V 100mA - Enabled
- Regulation Range 6V to 18V
- Bandgap Voltage References
• Low Quiescent Idle Current, 500A Typ.
• Over-Voltage Shutdown Protection, 20.5V Typ.
• Reverse Battery Protection, -26V Max.
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Low Input P.S. Flag and Delayed Reset Control
• Low Voltage Shutdown Control, Ouput1
• Ignition Comparator Logic Level Control
• Data Comparator and 100X Current Mult. Used as Input/Output Buffers for Remote Serial Data Communication


Application

• Automotive 5V Regulators and Data Buffers
• Industrial Controller Remote System
• Microcontroller and Memory Power Supply
• Radio, TV, CATV, Consumer Applications


Pinout

Connection Diagram


Specifications

Max. BATT, IGN IN Input Voltage (Note1) . . . . . . . . .. . . . ±26V
Max. Operating Voltage; BATT, IGN IN . . . . VBATT(SD) (~20.5V)
Max. Positive Voltages: (For Negative Voltages, Note 2)
ENABLE Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .VBATT
DATA IN Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .VBATT
CUR OUT, Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VBATT
RESET, Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .VBATT
Max. Operating Load Current, OUT1 . . . . . . . . . . . . .  .  .100mA
Max. Operating Load Current, OUT2 . . . . . . . . . . . .   . . .100mA
Max. Current Mult. Load Currents:
Min. Load Resistance, CUR OUT .  .  . .225 to BATT (75mA max)
Min. Load Resistance, CUR IN . . . . .  . . 1KW to GND (-5mA max)
Max. Load Current OUT1, OUT2 (Short Duration) . .  Self-Limiting
Max. Plus/Minus Load Currents: (Note 3)
IGN OUT Output . . . . . . . . . . . . . . . . . . . . . . . . . . . .Self-Limiting
DATA OUT Output . . . . . . . . . . . . . . . . . . . . . . . . . . .Self-Limiting
RESET Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Self-Limiting


Description

The CA3277 is a Dual 5V Voltage Regulator IC intended for microprocessor and logic controller applications. It is supplied with featuresthat are commonly specified for sequentially controlled shutdown and startup requirements of microcontrollers. Over-voltage shutdown, short circuit current limiting and thermal shutdown features are provided for protection in the harsh environmental applications of industrial and automotive systems. The CA3277 functions are complementary to the needs of microcontroller and memory circuits, providing for sustained memory with a 5V standby output.

The Ignition Comparator senses the voltage level at the IGN IN input and provides a 5V logic switched output (supply sourced from OUT1). The Ignition Output, IGN OUT can be used to signal a system microcontroller which can respond with a logic switched output to the CA3277 ENABLE input control for OUT2. The OUT1 +5V Standby Supply of the regulator is normally used as a power supply for microcontroller/memory circuits to preserve stored data when in the standby mode.To allow for maximum heat transfer from the chip, the four center leads are directly connected to the die mounting pad.

Refer to AN9302 for further information on CA3277 circuit Applications.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Batteries, Chargers, Holders
ICR18650-28A
ICR18650-26F/h
Power Supplies - External/Internal (Off-Board)
A76L-0300-0077
A5E01231722-F2
Potentiometers, Variable Resistors
RV24YN
WXD4-23-3W
Circuit Protection
A50QS75-4Y
F-17*77
Inductors, Coils, Chokes
DR127-330-R
SD53-100-R
Semiconductor Modules
2DI300A-050-03
7MBR25SA-120-50
View more