Purchase SC4519H, In-stock SC4519H From SeekIC.
Part Number: SC4519H
Description: The SC4519H is a current mode switching regulator with an integrated switch, operating at 600kHz with ...
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SC4519H
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DataSheet
General Description
SC4519H General Description
The SC4519H is a current mode switching regulator with an integrated switch, operating at 600kHz with separate sync and enable functions. The integrated switch allows for cost effective low power solutions (peak switch current 3 amps). The sync function allows customers to synchronize to a faster clock in order to avoid frequency beating in noise sensitive applications. High frequency of operation allows for very small passive components.
Current mode operation allows for fast dynamic response and instantaneous duty cycle adjustment as the input varies (ideal for CPE applications where the input is a wall plug power).
The low shutdown current makes it ideal for portable applications where battery life is important.
The SC4519H is a 600kHz switching regulator synchronizable to a faster frequency from 750kHz to 1.2MHz.
SC4519H Maximum Ratings
| Parameter |
Symbol |
Limits |
Units |
| Input Supply Voltage |
VN |
-0.3 to +28 (1) |
V |
| Boost Pin Above V SW |
( VBST - V SW) |
16 |
V |
| Boost Pin Voltage |
V BST |
-0.3 to +32 |
V |
| EN Pin Voltage |
V EN |
-0.3 to +24 |
V |
| FB Pin Voltage |
V FB |
-0.3 to +6 |
V |
| FB Pin Current |
I FB |
1 |
mA |
| SYNC Pin Current |
I SYNC |
1 |
mA |
| Thermal Impedance Junction to Ambient |
JA |
36.5(2) |
°C/W |
| Operating Ambient Temperature Range |
TA |
-40 to +85 |
°C |
| Maximum Junction Temperature |
TJ |
+150 |
°C |
| Storage Temperature Range |
T STG |
-65 to +150 |
°C |
| Lead Temperature (Soldering) 10 sec |
T LEAD |
300 |
°C |
| ESD Rating (Human Body Model) |
ESD |
2 |
kV |
SC4519H Features
Integrated 3 Amp switch
600kHz frequency of operation
Current mode controller
Synchronizable to higher frequency up to 1.2MHz
Precision enable threshold
SO-8 EDP package. Lead free product, fully WEEE
and RoHS compliant
600kHz frequency of operation
Current mode controller
Synchronizable to higher frequency up to 1.2MHz
Precision enable threshold
SO-8 EDP package. Lead free product, fully WEEE
and RoHS compliant
SC4519H Typical Application
XDSL modems
CPE equipment
DC-DC point of load applications
Portable equipment
CPE equipment
DC-DC point of load applications
Portable equipment
SC4519HSETRT
PDF/DataSheet Download
- Datasheet: SC4519HSETRT
- File Size: 292676 KB
- Manufacturer: SEMTECH [Semtech Corporation]
- Click here to Download
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