SP6850_09 Datasheet, PDF (5/10 Pages) SYNC POWER Crop. – Green-Mode PWM Controller

SP6850
Green-Mode PWM Controller
ELECTRICAL CHARACTERISTICS
(T_A=25℃, V_CC=15V, unless otherwise specified.)
Symbol
Parameter
Conditions
Supply Voltage ( Vcc Pin )
Istt Startup Current
Iop Operating Current
VCOMP = 3V
UVLO (off) Min. Operating Voltage
UVLO (on ) Start Threshold Voltage
OVP Level Over Voltage Protection
Voltage Feedback ( Comp Pin )
Isc Short Circuit Current
Vop Open Loop Voltage
VTH(GM) Green Mode Threshold VCOMP
Oscillator ( RT Pin )
FOSC Frequency
RT=100KΩ
FOSC(GM) Green Mode Frequency
Fs=65.0KHz
Fdt Frequency Variation versus Temp. Deviation (-40°C ~105°C)
Fdv Frequency Variation versus VCC Deviation (VCC=11V-25V)
Current Sensing ( CS Pin )
SP6850BD8TG
Vcs(off) Maximum Input Voltage
SP6850BS26RG
SP6850AD8TG
SP6850AS26RG
Zcs Input impedance
TPD Delay to Output
Gate Driver Output ( OUT Pin )
DC (Max) Maximum Duty Cycle
DC (Min) Minimum Duty Cycle
VOL Output Low Level
VCC=15V,
Io=20mA
VOH Output High Level
VCC=15V,
Io=20mA
Tr Rising Time
Load Cap=1000pF
Tf Falling Time
Load Cap=1000pF
Min.
9.0
15.0
28
60.0
0.8
0.7
70
8
Typ. Max. Unit
8
20 uA
2
4 mA
10.0 11.0 V
16.0 17.0 V
36 V
2.2 3.0 mA
5.0
V
2.35
V
65.0 75.0 KHz
20
KHz
3%
1
%
0.85 0.9
V
0.75 0.8
50
KΩ
150
nS
75 80 %
0
%
1
V
V
50 200 nS
30 120 nS
2007/04/10 Ver.3
Page 5