LP3907TLX-JSXS/NOPB National Semiconductor, LP3907TLX-JSXS/NOPB Datasheet - Page 17
![IC PMU DUAL DC/DC REG 25USMD](/photos/6/99/69997/tla25aaa_sml.jpg)
LP3907TLX-JSXS/NOPB
Manufacturer Part Number
LP3907TLX-JSXS/NOPB
Description
IC PMU DUAL DC/DC REG 25USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet
1.LP3907SQ-JXQXNOPB.pdf
(46 pages)
Specifications of LP3907TLX-JSXS/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
2.8V, 600mA
Voltage/current - Output 3
3.3V, 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
25-MicroSMD
Current - Output
300mA, 600mA, 1A
Voltage - Output
1.2V, 2.8V
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
LP3907TLX-JSXS
Typical Performance Characteristics
V
IN
= 3.6V, T
V
OUT
V
IN
A
= 1.2V, I
= 25°C, V
= 3.6 – 4.2V, V
Load Transient Response
Line Transient Response
Start up into PWM Mode
V
OUT
LOAD
OUT
= 1.2V, 1.0A load
= 300–500mA (PWM Mode)
= 1.2V unless otherwise noted
OUT
= 1.2V, 250mA load
30017856
30017860
30017858
— Bucks
17
V
OUT
V
= 1.2V, I
IN
= 3.6 – 4.2V, V
Mode Change by Load Transient
Line Transient Response
V
LOAD
Start up into PWM Mode
OUT
= 50–150mA (PFM to PWM Mode)
= 3.3 V, 600mA load
OUT
= 3.3V, 250 mA load
30017859
30017861
30017857
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