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GR8833R 반도체 회로 부품 판매점

Green-Mode PWM Controller



Grenergy 로고
Grenergy
GR8833R 데이터시트, 핀배열, 회로
Preliminary GR8833R
Green-Mode PWM Controller with Latch Protections
Features
Current mode control
Standby power below 100mW
Under-voltage lockout (UVLO)
Non-audible-noise green-mode control
Operating Frequency fixed on 65kHz / 100kHz
Internal leading-edge blanking
Internal slope compensation
Internal soft start
Gate output voltage clamp
Jitter and soft driving for reducing EMI
External OVP Latch off mode
External OTP Latch off mode
Over-load protection (OLP)
300mA driving capability
Application
Printer Power
Capacitive Load
Motor Driver
Adapter
Description
The GR8833R is a highly-integrated, low startup
current, current mode PWM controller with
green-mode function. The integrated functions also
include the leading-edge blanking of the current
sensing, internal slope compensation, soft start
OLP, and OCP. Besides, The RTL pin latch function
by injecting a high over 3.5V to provide OVP latch
off and low below 1V to provide OTP latch off
protection. These functions enable the power supply
to easily meet even the strictest power
requirements.
The GR8833R improves the performance and
reduces the cost of power supplies. It is with 8-pin
DIP and 6-pin SOT-26 package.
Ordering and Marking Information
GR8833R
Package Code
J: DIP-8
C: SOT-26
RoHS Code
G: Green (Halogen Free) Device
L : PB Free Device
DIP-8
SOT-26
GR8833R
X X XXX
Code 1
Code 2
Serial No.
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.
Code 1
33R X X
XXX
Code 2
Serial No.
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.
2011.03.Ver. A.Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
1


GR8833R 데이터시트, 핀배열, 회로
Pin Configuration
GND
1
COMP
2
RTL 3
Preliminary GR8833R
6 OUT
5 VCC
4 CS
Pin Description
Pin No. Name
Function
1 GND Ground pin
2 COMP Voltage feedback pin, by connecting a photo-coupler to control the duty cycle
Resistor trigger latch off which a high over 3.5V for OVP latch off and a low below
3 RTL
1V for OTP latch
4 CS Current sense pin, connect to sense the MOSFET current
5 VCC Power supply pin
6 OUT The output driver for driving the external MOSFET
Absolute Maximum Ratings
Supply voltage VCC --------------------------------------------------------------------------------------------------------- 30V
COMP, RTL, CS ---------------------------------------------------------------------------------------------------- -0.3 ~ 7V
OUT ----------------------------------------------------------------------------------------------------------- -0.3 ~ VCC + 0.3V
Junction temperature ------------------------------------------------------------------------------------------------------- 150
Operating ambient temperature ------------------------------------------------------------------------------ -20~ 85
Storage temperature range ---------------------------------------------------------------------------------- -65~ 150
SOT-26 package thermal resistance (junction to ambient) -------------------------------------------------- 250/W
Power dissipation (SOT-26, at ambient temperature = 85) ------------------------------------------------ 250mW
Power dissipation (DIP-8, at ambient temperature = 85) --------------------------------------------------- 650mW
Lead temperature (SOT-26 & DIP-8, soldering, 10 sec) ------------------------------------------------------- 230
Lead temperature (All Pb free packages, soldering, 10 sec) -------------------------------------------------- 260
ESD voltage protection, human body model -------------------------------------------------------------------------- 2KV
ESD voltage protection, machine model ------------------------------------------------------------------------------ 200V
2011.03.Ver. A.Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
2




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GR8833R controller

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GR8833R

Green-Mode PWM Controller - Grenergy