LP3907SQX-PJXIX/NOPB National Semiconductor, LP3907SQX-PJXIX/NOPB Datasheet - Page 16
![IC BUCK SYNC 1.2V/3.3V 24LLP](/photos/6/54/65470/pkg_sqa24a_sml.jpg)
LP3907SQX-PJXIX/NOPB
Manufacturer Part Number
LP3907SQX-PJXIX/NOPB
Description
IC BUCK SYNC 1.2V/3.3V 24LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet
1.LP3907SQ-JXQXNOPB.pdf
(46 pages)
Specifications of LP3907SQX-PJXIX/NOPB
Topology
Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Function
Any Function
Number Of Outputs
4
Frequency - Switching
2.1MHz
Voltage/current - Output 1
1.2V, 1A
Voltage/current - Output 2
3.3V, 600mA
Voltage/current - Output 3
1.8V, 300mA
W/led Driver
No
W/supervisor
No
W/sequencer
Yes
Voltage - Supply
2.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-LLP
Current - Output
300mA, 600mA, 1A
Voltage - Output
1.2V, 3.3V
Voltage - Input
2.8 ~ 5.5 V
Power - Output
1.43W
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LP3907SQX-PJXIX
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LP3907SQX-PJXIX/NOPB
Manufacturer:
LINEAR
Quantity:
6 455
www.national.com
Typical Performance Characteristics
V
Typical Performance Characteristics
V
IN
IN
= 4.5V to 5.5V, T
= 4.3V to 5.5V, T
(V
OUT
( V
OUT
=1.2V, L= 2.2µH — PWM mode to PFM mode)
=1.8V, L= 2.2µH —Forced PWM mode)
Efficiency vs Output Current
Efficiency vs Output Current
A
A
= 25°C, V
= 25°C, V
OUT
OUT
= 1.8V, 3.3V
= 1.8V, 3.3V
30017851
30017853
— Buck2
— Buck2
16
(V
OUT
(V
OUT
=2.0V, L= 2.2µH — PWM mode to PFM mode)
=3.3V, L= 2.2µH — Forced PWM mode)
Efficiency vs Output Current
Efficiency vs Output Current
30017852
30017854