900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




STMicroelectronics Electronic Components Datasheet

STCH03 Datasheet

Offline PWM controller

No Preview Available !

STCH03
Offline PWM controller for low standby adapters
Datasheet - production data
SO8
Input voltage feedforward compensation for
mains-independent CC regulation
Embedded thermal shutdown
Intelligent frequency jitter for EMI suppression
SO8 package
Features
Advanced power management for ultra-low
standby power consumption (under 10 mW at
230 VAC)
Fully integrated primary side constant current
output regulation (CC)
650 V embedded HV start-up circuit with zero
power consumption.
Quasi-resonant (QR) zero-voltage-switching
(ZVS) operation
Accurate and adjustable output OVP with
options auto-restart (STCH03) or latched
(STCH03L) after fault
Output undervoltage protection (UVP) with
auto-restart
Applications
AC-DC chargers for smartphones, tablets,
camcorders and other handheld equipment
AC/DC adapters for STB, notebooks and
auxiliary power supplies
Quick charger
Table 1. Device summary
Order codes
Package
Packaging
STCH03
STCH03L
STCH03TR
STCH03LTR
SO8
Tube
Tape and reel
Figure 1. Typical application
"$*/
7PVU
"$*/
(/%
;$% '# /$ )7
45$)
4&/4& (/% (% 7%%
May 2018
This is information on a product in full production.
DocID031526 Rev 1
".
1/25
www.st.com


STMicroelectronics Electronic Components Datasheet

STCH03 Datasheet

Offline PWM controller

No Preview Available !

Contents
Contents
STCH03
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Pin connection and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1 Gate-driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.2 Frequency jittering for EMI reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.3 High voltage startup generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.4 Zero current detection and triggering block . . . . . . . . . . . . . . . . . . . . . . . .11
6.5 Constant voltage operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.6 Constant current operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.7 Voltage feedforward block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.8 Burst-mode operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.9 Adaptive UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.10 Overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.11 Output undervoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.12 Soft-start and starter block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.13 Overcurrent protection (OCP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.14 Thermal shutdown protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.1 SO8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2/25 DocID031526 Rev 1


Part Number STCH03
Description Offline PWM controller
Maker STMicroelectronics
PDF Download

STCH03 Datasheet PDF






Similar Datasheet

1 STCH02 Offline PWM controller
STMicroelectronics
2 STCH03 Offline PWM controller
STMicroelectronics





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z



Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy