SP6851
Green-Mode Power Switch
ELECTRICAL CHARACTERISTICS
(T
A
=25
℃
, V
CC
=15V, unless otherwise specified.)
Symbol
Parameter
Supply Voltage ( Vcc Pin )
I
stt
Startup Current
I
op
Operating Current
Conditions
Min.
Typ.
10
2.7
2.4
Max.
20
4
Unit
uA
mA
mA
mA
V
V
V
mA
V
V
KHz
KHz
%
%
V
nS
MΩ
nS
%
%
V
uA
Ω
V
pF
V
COMP
= 0V
V
COMP
= 3V
Protection
(OLP, OVP)
tripped
1.0
9.0
15.0
26
10.0
16.0
27
1.25
6
2.35
11.0
17.0
29.5
2.2
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
V
TH(GM)
Green Mode Threshold VCOMP
Oscillator ( RT Pin )
F
OSC
Frequency
F
OSC(GM)
Green Mode Frequency
Fdt
Frequency Variation versus Temp. Deviation
Fdv
Frequency Variation versus V
CC
Deviation
Current Sensing ( CS Pin )
Vcs(off) Maximum Input Voltage
Leading Edge Blanking Time
T
LEDD
Zcs
Input impedance
T
PD
Delay to Output
MOSFET
DC
(Max)
Maximum Duty Cycle
DC
(Min)
Minimum Duty Cycle
V
DSS
Drain-Source Breakdown Voltage
I
DSS
Drain-Source Leakage Current
R
DS(ON)
On-State Resistance
V
SD
Forward On Voltage
Co
R
T
=100KΩ
Fs=65.0KHz
(-40°C ~105°C)
(V
CC
=11V-22V)
60.0
68.0
22
70.0
3
1
0.8
1
0.85
280
100
0.9
70
V
GS
=0V, I
D=
250uA
V
GS
=0V, V
DS=
550V
V
GS
=10V, I
D=
1A
V
GS
=0V, I
S
=1.4A
V
GS
=0V, V
DS
=25V,
f=1.0MHz
650
75
0
80
10
4.95
1.5
27
50
30
5.0
60
200
120
Output capacitance
Tr
Rising Time
Tf
Falling Time
OLP ( Over Load Protection )
OLP Trip Level
TL
OLP
TD
OLP
OLP Delay Time (note)
switching frequency and the shorter OLP delay time.
nS
nS
V
mS
Note: The OLP delay time is proportional to the period of switching cycle. So that, the lower RT value will set the higher
2012/08/09
Ver.2
Page 5
SYNC-POWER [ SYNC POWER CROP. ]
