SDC2921AZ-E1 Просмотр технического описания (PDF) - Unspecified
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SDC2921AZ-E1 Datasheet PDF : 13 Pages
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Voltage Mode PWM Controller
Datasheet
SDC2921
Electrical Characteristics (Ta=25°C, VCC=5.0V, unless otherwise specified)
Parameter
T Input threshold voltage 1
N Input threshold voltage 2
ME Open loop voltage gain
U Cross over point
C VIN- bias voltage(SDC2921A)
O VIN- bias voltage(SDC2921B)
D Output saturation voltage
L Drain off-state current
IA Rising time
T Falling time
EN 3.3V OVP
ID 5V OVP
12V OVP
F PT OVP
N 3.3V UVP
CO 5V UVP
Symbol
Conditions
Dead Time Control Section
V THDT
Zero duty cycle
Max duty cycle
Error Amp Section
GV
0.5V~3.5V
BG
0dB
VN
VIN- open
VN
VIN- open
Output Section
V DSSAT
I C =100mA
I DOFF
VCC=VS= VD=0V
tr
-
tf
-
Protection Section
V33 OVP
-
V5 OVP
-
V12 OVP
-
VPT OVP
-
V33 UVP
-
V5 UVP
-
Min Typ Max Unit
-
3.0
3.3
V
-
0.1
-
V
-
1800
2.38
2.47
65
-
dB
2200 2600 kHz
-
2.47
V
-
2.52
V
-
1.0
1.3
V
-
2
10
uA
-
100 200 ns
-
50
200 ns
3.8
4.1
4.3
V
5.8
6.2
6.6
V
4.41
4.64 4.90
V
1.2
1.25 1.3
V
1.78
1.98 2.18
V
2.70
3.00 3.30
V
12V UVP
UVP disable voltage
SDC UVP delay time
V12 UVP
VPT DIS
t UVP
-
-
-
Remote On/Off Section
2.11
2.37 2.63
V
0.55
0.62 0.68
V
100
280 500 ms
Rem high input voltage
V REMH
-
2.0
-
-
V
Rem low input voltage
V REML
-
-
-
0.8
V
Rem pull high voltage
V REMO
-
2.0
-
5.25
V
Rem on delay time
t REMON
-
30
36
42
ms
Rem off delay time
t REMOFF
-
3.5
4.5
5.5
ms
December, 2013 Rev. 1.2
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
6/13
www.sdc-semi.com
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