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FAN7621SSJX Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part # FAN7621SSJX
Description  PFM Controller for Half-Bridge Resonant Converters
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN7621SSJX Datasheet(HTML) 6 Page - Fairchild Semiconductor

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© 2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN7621S • Rev. 1.0.1
6
Electrical Characteristics (Continued)
TA=25°C and LVCC=17V unless otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Protection Section
VCssH
Beginning Voltage to Discharge CSS
0.9
1.0
1.1
V
VCssL
Beginning Voltage to Charge CSS and
Reset Protections
0.16
0.20
0.24
V
VOVP
LVCC Over-Voltage Protection
LVCC > 21V
21
23
25
V
VAOCP
AOCP Threshold Voltage
ΔV/Δt=-0.1V/µs
-1.0
-0.9
-0.8
V
tBAO
AOCP Blanking Time
(2)
VCS < VAOCP;
ΔV/Δt=-0.1V/µs
50
ns
VOCP
OCP Threshold Voltage
ΔV/Δt=-1V/µs
-0.64
-0.58
-0.52
V
tBO
OCP Blanking Time
(2)
VCS < VOCP;
ΔV/Δt=-1V/µs
1.0
1.5
2.0
μs
tDA
Delay Time (Low-Side) Detecting from
VAOCP to Switch Off
(2)
ΔV/Δt=-1V/µs
250
400
ns
TSD
Thermal Shutdown Temperature
(2)
110
130
150
°C
Dead-Time Control Section
DT
Dead Time
(3)
350
ns
Notes:
2.
These parameters, although guaranteed, are not tested in production.
3.
These parameters, although guaranteed, are tested only in EDS (wafer test) process.


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