DataSheet.es OB2269 Hoja de datos PDF


PDF OB2269 Datasheet ( Hoja de datos )

Número de pieza OB2269
Descripción (OB2268 / OB2269) Current Mode PWM Controller
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OB2269 datasheet

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OB2269 pdf
OB2268
OB2269
Current Mode PWM Controller
ESD INFORMATION
Symbol
HBMNote
MM
Parameter
Human Body Model
Machine Model on
All Pins
Test Conditions
MIL-STD
JEDEC-STD
Min Typ Max Unit
2 KV
250 V
Note: HBM all pins pass 2KV except VIN pin. The details are VIN passes 1kV, VDD and GATE pass 2KV, all other I/Os pass 8KV. In
system application, VIN pin is either a high impedance input or left floating. The lower rating has minimum impacts on system ESD
performance.
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ELECTRICAL CHARACTERISTICS
(TA = 25OC if not otherwise noted)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage (VDD, VIN)
I_VDD_Startup VDD Start up
Current
VDD =15V, RI=100K
Measure current into VDD
4 20 uA
I_VDD_Operation Operation Current
UVLO(ON)
VDD Under
Voltage Lockout
Enter
VDD=18V, RI=100Kohm,
VFB=3V, Gate floats
9.5
2.3 mA
10.5 11.5 V
UVLO(OFF)
OVP(ON)*Optional
OVP(OFF)*Optional
VDD Under
Voltage Lockout
Exit (Recovery)
VDD Over Voltage
Protection Enter
VDD Over Voltage
Protection Exit
(Recovery)
15.5 16.5 17.5 V
23.5 25
21.5 23
26.5 V
24.5 V
OVP_Hysteresis OVP(ON)-
OVP(OFF)
2V
TD_OVP
VDD OVP
Debounce time
80 uSec
VDD_Clamp
VDD Zener Clamp
Voltage
I(VDD ) = 10 mA
35 V
Feedback Input Section(FB Pin)
VFB_Open
VFB Open Loop
Voltage
6.0 V
IFB_Short
FB pin short circuit Short FB pin to GND and
0.65
mA
current
measure current
VTH_BM
Burst Mode FB
Threshold Voltage
1.8 V
VTH_PL
Power Limiting FB
Threshold Voltage
4.4 V
TD_PL
Power limiting
Debounce Time
80 mSec
ZFB_IN
Input Impedance
9.0 Kohm
Current Sense Input(Sense Pin)
T_blanking
Leading edge
blanking time
RI = 100Kohm
400 ns
ZSENSE_IN
Input Impedance
40 Kohm
©On-Bright Electronics
A Liteon Semiconductor Company
-5-
Confidential
V2.1

5 Page

OB2269 arduino
PACKAGE MECHANICAL DATA
8-Pin Plastic DIP
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OB2268
OB2269
Current Mode PWM Controller
©On-Bright Electronics
A Liteon Semiconductor Company
- 10 -
Confidential
V2.1

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