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GR8876AKAL ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 4 Page - Grenergy Opto, lnc.

๋ถ€ํ’ˆ๋ช… GR8876AKAL
์ƒ์„ธ๋‚ด์šฉ  Green-Mode PWM Controller with Integrated Protections
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์ œ์กฐ์‚ฌ  GRENERGY [Grenergy Opto, lnc.]
ํ™ˆํŽ˜์ด์ง€  http://www.grenergy-ic.com/
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GR8876AKAL ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 4 Page - Grenergy Opto, lnc.

 
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2010.10 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
4
GR8876A
Electrical Characteristics (TA = +25โ„ƒ unless otherwise specified, V
CC = 15.0V)
Parameter
Pin
Min.
Typ.
Max.
Unit
HIGH-VOLTAGE SUPPLY (HV Pin)
High-voltage current source (Vcc = 0V)
8
0.5
1.0
1.65
mA
Off-state leakage current
8
0
25
uA
SUPPLY VOLTAGE
Startup current
6
20
uA
Operating current (with 1nF load on OUT pin), Vcomp = 0V
6
1.8
mA
Operating current (with 1nF load on OUT pin), Vcomp = 2.5V
6
2.5
mA
Operating current (with 1nF load on OUT pin), protection tripped
(OLP, OVP)
6
0.8
mA
UVLO (on)
6
14
15
16
V
UVLO (off)
6
8.3
9.3
10.3
V
OVP level on VCC pin
6
26.5
28
29.5
V
VOLTAGE FEEDBACK
Short circuit current, Vcomp = 0V
2
1.5
mA
Open loop voltage, COMP pin open
2
5
5.6
6
V
Green mode threshold voltage
2
1.2
V
CURRENT SENSING
Maximum input voltage, Vcs (off)
3
0.80
0.85
0.90
V
Leading-edge blanking time
3
250
350
450
nS
Input impedance
3
1
M
ฮฉ
Delay to output
3
100
nS
OSCILLATOR
Frequency (RT = 100K
ฮฉ )
3
60
65
70
KHz
Green mode frequency (RT = 100K
ฮฉ)
3
18
22
28
KHz
Temp. stability
(-40ยฐC ~ 110ยฐC)
3
3
%
Voltage stability (Vcc = 11V ~ 25V)
3
3
%
GATE DRIVER OUTPUT
Output low level, VCC = 15V, Io = 20mA
1
1
V
Output high level, VCC = 15V, Io = 20mA
1
8
V
Rising time, load capacitance = 1000pF
1
200
nS
Falling time, load capacitance = 1000pF
1
50
nS
Gate clamping voltage
12.5
13.5
15
V
OLP
OLP trip level, Vcomp (OLP)
-
3.3
3.6
4
V
OLP delay time (note), Fs = 65KHz
-
60
mS


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