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H6849 Datasheet(PDF) 4 Page - Hi-Sincerity Mocroelectronics

Part # H6849
Description  Novel Low Cost Green-Power PWM Controller
PDF  13 Pages
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Manufacturer  HSMC [Hi-Sincerity Mocroelectronics]
Direct Link  http://www.hsmc.com.tw
Logo HSMC - Hi-Sincerity Mocroelectronics

H6849 Datasheet(HTML) 4 Page - Hi-Sincerity Mocroelectronics

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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200804
Issued Date : 2008.09.19
Revised Date : 2009.07.14
Page No. : 4/13
H6849P, H6849S,H6849NF
HSMC Product Specification
Electrical Characteristics (
Ta=25°C unless otherwise noted, VDD = 15V.)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Supply Voltage (VDD Pin)
IST
Startup Current
10
μA
VFB=0V
2.8
mA
VFB=3V
2.3
mA
ISS
Operating Current
VFB=Open
1.46
mA
VDDON
Turn-on Threshold Voltage
16.1
V
VDDOFF
Turn-off Threshold Voltage
11.1
V
VDCLAMP VDD Clamp Voltage
IVDD=20mA
26.7
V
Voltage Feedback (FB Pin)
IFB
Short Circuit Current
VFB=0V
2.8
mA
VFB
Open Loop Voltage
VFB=Open
4.8
V
IPFM
Enter PFM, FB current
0.92
mA
ICRM
Enter CRM, FB current
1.5
mA
Current Sensing (SEN Pin)
VTH_L
Minimum Voltage Lever
0.83
0.87
V
VTH_H
Maximum Voltage Lever
1.0
1.05
V
TPD
Delay to Output
300
ns
RCS
Input Impedance
50
KΩ
Oscillator (RI Pin)
FOSC
Normal Frequency
RI=100Kohm
53
58
63
KHz
FPFM
PFM Frequency
RI=100Kohm
11.6
KHZ
DCMAX
Maximum Duty Cycle
RI=100Kohm
75
%
Δ
FTEMP
Frequency Temp. Stability
-30-85℃
5
%
TBLANK
Leading-Edge Blanking Time
300
nS
GATE Drive Output (GATE Pin)
VOL
Output Low Level
VDD=15V, IO=20mA
1
V
VOH
Output High Level
VDD=15V, IO=20mA
8
V
TR
Rising Time
CL=1000pF
450
ns
TF
Falling Time
CL=1000pF
130
ns
VGCLAMP Output Clamp Voltage
VDD=20V
16.5
V



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