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GL8258AN Schematic ( PDF Datasheet ) - grenergy

Teilenummer GL8258AN
Beschreibung Primary Feedback PWM Controller
Hersteller grenergy
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Gesamt 8 Seiten
GL8258AN Datasheet, Funktion
Preliminary GL8258N/58AN
Primary Feedback PWM Controller for Flyback Application
Features
Primary Sensing for Constant-Voltage(CV)
and Constant-Current(CC) Regulation
Pulse by Pulse Current Limiting (OCP)
Low Start-Up Current (6uA)
Fixed Frequency for Driving Power MOS
VCC Over-Voltage Protection
Output Over-Voltage Protection
Cable Compensation for CV regulation -
(GL8258AN only)
SOT-26 Package with Few External
Components Needed
Application
LED Lighting
Description
The GL8258N/58AN is an excellent primary side
feedback control PWM IC. It’s integrated constant
voltage (CV) and constant current (CC) regulation
functions. While it operates on CV mode, it acts as
a voltage source. While it operates on CC mode, it
acts as a current source. It minimizes the
components counts and is available in a tiny
SOT-26 package. Those make it an ideal design for
low cost application.
It provides functions of low startup current, green-
mode power-saving operation, VCC over-voltage
protection, and FB pin abnormal conditions sensing
to prevent the circuit being damaged from the
abnormal conditions.
Ordering and Marking Information
SOT-26
Code 1 8
Year 2008
Code 2 1
Month Jan.
9
2009
2
Feb.
A
2010
3
Mar.
B
2011 ● ● ●
4
Apr.
G
2016
9
Sep.
H
2017
A
Oct.
I
2018
B
Nov.
J
2019
C
Dec.
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
2012.05 Ver.C Copyright grenergy OPTO, Inc. www.grenergy-ic.com
1






GL8258AN Datasheet, Funktion
Package Information
SOT-26
Preliminary GL8258N/58AN
SYMBOL
A
A1
A2
b
c
D
E
E1
e
e1
L
θ
MILLIMETERS
MIN.
MAX.
1.45
0.00
0.15
0.90
1.30
0.30
0.50
0.08
0.22
2.70
3.10
2.60
3.00
1.40
1.80
0.95 BSC
1.90 BSC
0.30
0o
0.60
8o
SOT-26
MIN.
0.000
0.035
0.012
0.003
0.106
0.102
0.055
0.012
0o
INCHES
0.037 BSC
0.075 BSC
MAX.
0.057
0.006
0.051
0.020
0.009
0.122
0.118
0.071
0.024
8o
Note: 1. Followed from JEDEC TO-178 AB.
2. Dimension D and E1 do not include mold flash, protrusions or gate burrs. Mold flash, protrusions or
gate burrs shall not exceed 10 mil per side
2012.05 Ver. C Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
7

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