詳細信息
深圳市誠芯微科技有限公司5V/1A,5V/1.5A ,5V/2A,5V/3A，5V/4.2A。5V/5A車充方案，提供測試版和技術支持，歡迎來電，
楊楊：15976884800 QQ:1758649721
微信號：yangyang134265
FEATURES
nWide input voltage range from 10V to 32V
nTransparent input voltage surge up to 40V
n4.75V-5.25V during input and load transients
n5% output voltage accuracy
n225kHz switching frequency
nStandby input current 6mA
n2.5A accurate current limit
nShut down at output short circuit
nThermal shutdown protection
nCord compensation
nOver current protection
SPECIFICATION
DESCRIPTION | CONDITION | MIN | TYP | MAX | UNITS |
Input Voltage | 10 | 40 | V | ||
SwitchingFrequency | 225 | KHZ | |||
No-loadStandby Inputcurrent | Vin=12Vno load | 6 | mA | ||
Vin=24V no oad | 5 | mA | |||
Output Voltage | 4.75 | 5 | 5.25 | V | |
Output Current | 2100 | mA | |||
Ripple Voltage | Vin=12V,Io=2.1A | 31 | mVpp | ||
Vin=24V, Io=2.1A | 43 | ||||
Efficiency at full load | Vin=12V, Io=2.1A | 88.8 | % | ||
Vin=24V, Io=2.1A | 87.3 | % | |||
ENVIRONMENTAL | |||||
ESD | Contact | 4 | kV | ||
Through air | 8 | kV | |||
AmbientTemperature | Free convection | 50 | oC | ||
- 1.DEMO BOARD PHOTO
- 2.SCHEMATICS
- 3.PCB LAYOUT
- 4.BILL OF MATERIALS
Item | Reference | Description | QTY | Manuf. |
1 | L1 | Choke Coil,Dip,T9*5*4mm, phi=0.5mm, L=33uH,3A | 1 | CX |
2 | L2 | CommonModeChoke ,Dip,T6*3*3mm, phi=0.5mm, L=100uH | 1 | CX |
3 | F1 | Fuse 3A 1206 (Replace by 0ohm 1206 Chip Resistor) | 1 | CX |
4 | D1 | Schottky Diode, SK34,40V/3A, SMB | 1 | Panjit |
5 | C1 | Ceramic capacitor, 10uF/50V, X7R, 1210 | 1 | Koshin |
6 | C2 | Ceramic capacitor, 47uF/10V, X7R, 1210 | 1 | Murata/TDK |
7 | C3 | Ceramic capacitor, 10nF/16V, X7R, 0603 | 1 | Murata/TDK |
8 | C4 | Ceramic capacitor, 4700pF/16V, X7R, 0603 | 1 | Murata/TDK |
9 | C5 | Ceramic capacitor, 220pF/25V, X7R, 0603 | 1 | Murata/TDK |
10 | C8 | Ceramic capacitor, 100pF/10V, X7R, 0603 | 1 | Murata/TDK |
11 | R1 | Chip Resistor, 51KΩ, 1/16W, 1%, 0603 | 1 | Murata/TDK |
12 | R2 | Chip Resistor, 9.76KΩ, 1/16W, 1%, 0603 | 1 | Murata/TDK |
13 | R3 | Chip Resistor, 4.7KΩ, 1/16W, 5%, 0603 | 1 | Murata/TDK |
14 | R4 | Chip Resistor, 12KΩ, 1/16W, 5%, 0603 | 1 | Murata/TDK |
15 | R5 | Chip Resistor, 10KΩ, 1/16W, 5%, 0603 | 1 | Murata/TDK |
16 | R7 | Chip Resistor, 22Ω, 1/16W, 5%, 0603 | 1 | Murata/TDK |
17 | U1 | IC,CX8512,SOP-8EL | 1 | CX |
18 | USB | USB, Rev: A | 1 | USB Manu |
19 | LED | LED , White, SMD, 0603 | 1 | LED Manu |