| Contact |
Total Stock：118849
Update：2025-07-20
Tel:+86 19539046113
Tel:+86 0755-82558684
Fax:+86 0755-82530730
Mail:carrot@aunytorchips.com
.
|
|
LTC3868 - Low IQ, Dual 2-Phase Synchronous 2-Phase Synchronous Step-Down Controller
From：http:www.aunytor.com |
Date：2024-02-20
|
Typical Application
 
Features
- Low Operating IQ: 170μA (One Channel On)
- Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 14V
- Wide VIN Range: 4V to 24V
- RSENSE or DCR Current Sensing
- Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
- OPTI-LOOP Compensation Minimizes COUT
- Phase-Lockable Frequency (75kHz to 850kHz)
- Programmable Fixed Frequency (50kHz to 900kHz)
- Selectable Continuous, Pulse-Skipping or Burst Mode Operation at Light Loads
- Very Low Dropout Operation: 99% Duty Cycle
- Adjustable Output Voltage Soft-Start
- Power Good Output Voltage Monitor
- Output Overvoltage Protection
- Output Latchoff Protection During Short Circuit
- Low Shutdown IQ: 8μA
- Internal LDO Powers Gate Drive from VIN or EXTVCC
- No Current Foldback During Start-Up
- Small 5mm x 5mm QFN Package
Packaging
QFN-24
Package Variations and Pricing
| Part Number |
Package |
Pins |
Temp |
Price (1-99) |
Price (1k)* |
RoHS Data |
| LTC3868EGN-1#PBF |
SSOP |
28 |
E |
$3.70 |
$2.59 |
View |
| LTC3868EGN-1#TRPBF |
SSOP |
28 |
E |
|
$2.65 |
View |
| LTC3868EUFD-1#PBF |
QFN |
28 |
E |
$3.87 |
$2.71 |
View |
| LTC3868EUFD-1#TRPBF |
QFN |
28 |
E |
|
$2.77 |
View |
| LTC3868EUH#PBF |
QFN |
32 |
E |
$3.87 |
$2.71 |
View |
| LTC3868EUH#TRPBF |
QFN |
32 |
E |
|
$2.77 |
View |
| LTC3868IGN-1#PBF |
SSOP |
28 |
I |
$4.03 |
$2.82 |
View |
| LTC3868IGN-1#TRPBF |
SSOP |
28 |
I |
|
$2.88 |
View |
| LTC3868IUFD-1#PBF |
QFN |
28 |
I |
$4.20 |
$2.94 |
View |
| LTC3868IUFD-1#TRPBF |
QFN |
28 |
I |
|
$3.00 |
View |
| LTC3868IUH#PBF |
QFN |
32 |
I |
$4.20 |
$2.94 |
View |
| LTC3868IUH#TRPBF |
QFN |
32 |
I |
|
$3.00 |
View |
|
|
FROM: Company Name: Aunytor Electronic (HK) Co.,Ltd
Contact Person: liao
Skype: Aunytor
Email: 2885745253@qq.com
|
