NCP348 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP348 Datasheet PDF : 13 Pages
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NCP348, NCP348AE
VBat VBat
Wall Adapter − AC/DC
NCP348
1 mF
1
4
5
IN
IN
IN
OUT
OUT
NC
6
7
8
10
EN
ENABLE /
Microprocessor
9
NC
3
VBat
FLAG
2
1M
D3
7011X/SM
NCP1835B
3
2
CFLG EN
FAULT V2P8
VSNS
6
7
9
1 VCC
BAT 10
4.7 mF ISEL GND
84 5
270 K
15 pF
0
Figure 1. Typical Application Circuit
ENABLE / Microprocessor
V2P8
VBat
100 nF
Lithium BATTERY
0
INPUT
OUTPUT
ESD
Protection
Core
Negative
Protection
Output Impedance = 200 k
Charge
Pump
60 mA
Gate FLAG
Driver
200 kHz
Delay
Generator
LDO
Oscillator
Power
ON
VREG
VREG
VREF
VREF
UVLO
OVLO
VREF
UVLO
OVLO
DISABLE
EN
Block
ESD
Protection
10 V
EN
ESD
Protection
Figure 2. Functional Block Diagram
http://onsemi.com
2
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