Datasheet Details
- Part number
- SC412A
- Manufacturer
- Semtech Corporation
- File Size
- 685.94 KB
- Datasheet
- SC412A_SemtechCorporation.pdf
- Description
- Synchronous Buck Controller
SC412A Description
SC412A Synchronous Buck Controller POWER MANAGEMENT .
The SC412A is a versatile, constant on-time synchronous buck, pseudo fixed-frequency, PWM controller intended for notebook computers and other battery.
SC412A Features
* needed to provide cost-effective control of switch-mode power outputs. The output voltage is programmable from 0.75 to 5.25 external resistors. Switching frequency is internally preset to 325kHz. Additional features cycleby-cycle current limit, voltage soft-start, under-voltage protection, programma
SC412A Applications
* Notebook and Sub-Notebook Voltage Controllers Tablet PCs Embedded Applications
Typical Application Circuit
VCC C1 D1 VBAT CIN Q1
16 15 14 13
VCC
RLIM
R1
DH
L1 VOUT
1 2
ILIM
NC
NC
C2 LX BST VCC DL
PAD
EN
12 11 10 9
EN PGOOD VOUT FB
U1
PGOOD VOUT FB
COUT Q2
VCC
3 4
SC412A
GND
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