Position: Home  > All Categories> Integrated Circuits (ICs) > Si91845DT

Si91845DT

Features: ` Ultra Low Dropout-130 mV at 150-mA Load` Ultra Low Noise-30 `V(rms) (10-Hz to 100-kHz Bandwidth)` Out-of-Regulation Error Flag (power good)` Shutdown Control` Only 110-`A Ground Current at 150-mA Load` Fast Start-Up (50 `S)` 1.5% Guaranteed Output Voltage Accuracy` 300-mA Peak Output C...

product image

Si91845DT Picture
See larger image
SeekIC No. : 004490948 Detail

Si91845DT: Features: ` Ultra Low Dropout-130 mV at 150-mA Load` Ultra Low Noise-30 `V(rms) (10-Hz to 100-kHz Bandwidth)` Out-of-Regulation Error Flag (power good)` Shutdown Control` Only 110-`A Ground Current ...

Si91845DT Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
Si91845DT
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: 2025/12/25

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:

` Ultra Low Dropout-130 mV at 150-mA Load
` Ultra Low Noise-30 `V(rms) (10-Hz to 100-kHz Bandwidth)
` Out-of-Regulation Error Flag (power good)
` Shutdown Control
` Only 110-`A Ground Current at 150-mA Load
` Fast Start-Up (50 `S)
` 1.5% Guaranteed Output Voltage Accuracy
` 300-mA Peak Output Current Capability
` Uses Low ESR Ceramic Capacitors
` Fast Line and Load Transient Response (` 30 `s)
` 1-`A Maximum Shutdown Current
` Output Current Limit
` Si91845: Output, Auto-Discharge in Shutdown Mode
` Si91846: Output, No-Discharge in Shutdown Mode
` Fixed 1.8, 2.0, 2.2, 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3,
  3.5, 3.6, 5.0-V Output Voltage Options
` Built-in Short Circuit and Thermal Protection
` Reverse Battery Protection
` Thin SOT23-6 Package


Application

· Cellular Phones, Wireless Handsets
· Noise-Sensitive Electronic Systems, Laptop and
  Palmtop Computers
· PDAs
· Digital Cameras
· Pagers
· MP3 Players
· Wireless Modems


Pinout

Connection Diagram


Specifications

Absolute Maximum Ratings
Input Voltage, VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . −6.0 to 6.5 V
ERROR, VSD (See Detailed Description) . . . . . . . . . . . . . . . . . . −0.3 V to VIN
Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . .  . . Short Circuit Protected
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VIN + 0.3 V
Package Power Dissipation, (Pd)b . . . . . . . . . . . . . . . . . . . . . . . . . . 440 mW
Package Thermal Resistance, (JA)a . . . . . . . . . . . . . . . . . . . . . . . . 180/W
Maximum Junction Temperature, TJ(max) . . . . . . . . . . . . . . . . . . . . . . . 150
Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 150
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 5.5 mW/ above TA = 70




Description

The Si91845/6 is a 150-mA CMOS LDO (low dropout) voltage regulator. It is the perfect choice for low voltage, low power applications. An ultra low ground current and ultra fast turn-on make this part attractive for battery operated power systems. The product also offers ultra low dropout voltage to prolong battery life in portable electronics. Systems requiring a quiet voltage source will benefit from the Si91845/6's low output noise. The Si91845/6 is designed to maintain regulation while delivering 300-mA peak current, making it ideal for systems that have a high surge current upon turn-on.

For better transient response and regulation, an active pull-down circuit is built into the Si91845/6 to clamp the output voltage when it rises beyond normal regulation. The Si91845 automatically discharges the output voltage by connecting the output to ground through a 100 n-channel MOSFET when the device is put in shutdown mode.

The Si91845/6 features reverse battery protection to limit reverse current flow to approximately 1-A in the event reversed battery is applied at the input, thus preventing damage to the IC.

The Si91845/6 is available in both standard and lead (Pb)-free packages.




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 :
Cables, Wires
821-0814-a
415-0100-150
Tools
TCP202
G084SN05 V.3
Computers, Office - Components, Accessories
DS-4008HCI
LB104V03(A1)
Undefined Category
VI-B63-IU
X27 589
Transformers
TM-09210
BV222-1-00992
Discrete Semiconductor Products
T508N12TOF
MUR20040
View more