Electrical characteristics
L6599A
Table 5.
Symbol
Electrical characteristics (continued)
Parameter Test condition
Min. Typ. Max. Unit
DIS function
IDIS
Vth
Input bias current
Disable threshold
VDIS = 0 to Vth
-1
µA
V
Voltage rising (1)
1.78
1.85
1.92
Oscillator
D
Output duty cycle
Both HVG and LVG
48
58.2
240
0.2
50
60
250
0.3
3.9
0.9
2
52
61.8
260
0.4
%
fosc
Oscillation frequency
kHz
RRFmin = 2.7 kΩ
TD
Deadtime
Between HVG and LVG
µs
V
VCFp
VCFv
Peak value
Valley value
V
(1)
1.93
1.93
2.07
2.07
VREF
KM
Voltage reference at pin 4
Current mirroring ratio
V
IREF = -2 mA (1)
2
1
A/A
PFC_STOP function
VPFC_STOP = Vcc,
Ileak
High level leakage current
1
µA
Ω
VDIS = 0 V
IPFC_STOP = 1 mA,
VDIS = 1.5 V
RPFC_STOP ON-state resistance
130
120
200
0.2
IPFC_STOP = 1 mA,
VL
Low saturation level
V
VDIS = 1.5 V
Soft-start function
Ileak
R
Open-state current
Discharge resistance
V(Css) = 2 V
ISEN > VISENx
0.5
µA
V
Ω
Standby function
IDIS
Vth
Hys
Input bias current
VDIS = 0 to Vth
Voltage falling (1)
Voltage rising
-1
µA
V
Disable threshold
Hysteresis
1.2
1.24
50
1.28
mV
Delayed shutdown function
Ileak Open-state current
V(DELAY) = 0
VDELAY = 1 V,
0.5
µA
µA
ICHARGE Charge current
100
150
200
VISEN = 0.85 V
Threshold for forced
operation at max.
frequency
Vth1
Voltage rising (1)
1.98
2.05
2.12
V
Vth2
Vth3
Shutdown threshold
Restart threshold
Voltage rising (1)
Voltage falling (1)
3.35
0.3
3.5
3.65
0.36
V
V
0.33
10/35
Doc ID 15308 Rev 7
STMICROELECTRONICS [ ST ]
