| Part Number(s) (NSID) |
Top View | Type | Pins | MSL Rating | Peak Reflow | RoHS Status |
CAD Symbols | Models | Package Marking Format |
|---|---|---|---|---|---|---|---|---|---|
| LP3970SQ-31/NOPB LP3970SQ-31 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-31 |
|
| LP3970SQ-35/NOPB LP3970SQ-35 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-35 |
|
| LP3970SQ-44/NOPB LP3970SQ-44 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-44 |
|
| LP3970SQ-45/NOPB LP3970SQ-45 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-45 |
|
| LP3970SQX-31/NOPB LP3970SQX-31 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-31 |
|
| LP3970SQX-35 |
LLP | 48 | 2 | 260 | Detail | Download | N/A |
NS UZXYTTE# 3970-35 |
|
| LP3970SQX-44 |
LLP | 48 | 2 | 260 | Detail | Download | N/A |
NS UZXYTTE# 3970-44 |
|
| LP3970SQX-45/NOPB LP3970SQX-45 |
LLP | 48 | 2 2 |
260 260 |
Detail | Download | N/A |
NS UZXYTTE# 3970-45 |
Description
The LP3970 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3970 is optimized for low power handheld PMU applications and provides 11 low dropout, low noise linear regulators, two DC/DC magnetic buck regulators, a back-up battery charger and 4 GPO’s. A high speed serial interface is included to program individual regulator output voltages as well as on/off control.
| • | Programmable VOUT from 0.8 to 3.3V |
| • | Up to 95% efficiency |
| • | 650 mA output current |
| • | ±3% output voltage accuracy |
| • | Programmable VOUT of 1.5-3.3V |
| • | ±3% output voltage accuracy |
| • | 50 mA to 300 mA output current |
| • | 100 mV dropout |
| • | PDA phones |
| • | Smart phones |
| • | Personal media players |
| • | Digital cameras |
| • | Compatible with advanced applications processors requiring dynamic voltage management (DVM) |
| • | Two buck regulator for powering high current processor functions or peripheral devices |
| • | Eleven LDO's for powering internal processor functions and I/O's |
| • | Backup battery charger with automatic switching for lithium and lithium-manganese coin cell batteries |
| • | I |
| • | Software control of regulator functions and settings |
| • | Thermal overload protection |
| • | Current overload protection |
| • | Tiny 48-Pin LLP package |
package
Diagrams
| Typical Application
|
Block Diagram
|
Typical Performance  |
source：ShenZhen henlito electronic co.,ltd.
web:www.henlito.com
