參數(shù)資料
型號: L6599D
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.8 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, SOP-16
文件頁數(shù): 36/36頁
文件大?。?/td> 636K
代理商: L6599D
L6599
Electrical characteristics
9/36
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Line sensing
Vth
Threshold voltage
Voltage rising or falling
(1)
1.2
1.25
1.3
V
IHyst
Current hysteresis
VCC > 5 V, VLINE = 0.3 V
12
15
18
A
Vclamp
Clamp level
ILINE = 1mA
6
8
V
DIS function
IDIS
Input bias current
VDIS = 0 to Vth
-1
A
Vth
Disable threshold
Voltage rising (1)
1.77
1.85
1.93
V
Oscillator
D
Output duty cycle
Both HVG and LVG
48
50
52
%
fosc
Oscillation frequency
58.2
60
61.8
kHz
RRFmin= 2.7 kΩ
240
250
260
Maximum
recommended
500
kHz
TD
Dead-time
Between HVG and LVG
0.2
0.3
0.4
s
VCFp
Peak value
3.9
V
VCFv
Valley value
0.9
V
VREF
Voltage reference at
pin 4
(1)
1.92
2
2.08
V
KM
Current mirroring ratio
1
A/A
RFMIN
Timing resistor range
1
100
k
Ω
PFC_STOP function
Ileak
High level leakage
current
VPFC_STOP = VCC,
VDIS = 0 V
1
A
VL
Low saturation level
IPFC_STOP =1mA,
VDIS = 2 V
0.2
V
Soft-start function
Ileak
Open-state current
V(Css) = 2 V
0.5
A
R
Discharge resistance
VISEN > VISENx
120
Ω
Standby function
IDIS
Input bias current
VDIS = 0 to Vth
-1
A
Vth
Disable threshold
Voltage falling (1)
1.2
1.25
1.3
V
Hys
Hysteresis
Voltage rising
50
mV
Table 5.
Electrical characteristics (continued)
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