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參數(shù)資料
| 型號(hào)： | L6566BTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.8 A POWER FACTOR CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, SOP-16 |
| 文件頁(yè)數(shù)： | 7/51頁(yè) |
| 文件大小： | 624K |
| 代理商： | L6566BTR |
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L6566B
Electrical characteristics
15/51
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Zero current detector/ overvoltage protection
VZCDH
Upper clamp voltage
IZCD = 3 mA
5.4
5.7
6
V
VZCDL
Lower clamp voltage
IZCD = - 3 mA
-0.4
V
VZCDA
Arming voltage
(1) positive-going edge
85
100
115
mV
VZCDT
Triggering voltage
(1) negative-going edge
30
50
70
mV
IZCD
Internal pull-up
VCOMP < VCOMPSH
-1
A
VZCD < 2 V, VCOMP = VCOMPHI
-130
-100
-70
IZCDsrc
Source current capability
VZCD = VZCDL
-3
mA
IZCDsnk
Sink current capability
VZCD = VZCDH
3mA
TBLANK1
Turn-on inhibit time
After gate-drive going low
2.5
s
VZCDth
OVP threshold
4.85
5
5.15
V
TBLANK2
OVP strobe delay
After gate-drive going low
2
s
Latched shutdown function
IOTP
Input bias current
VDIS = 0 to VOTP
-1
A
VOTP
Disable threshold
(1)
4.32
4.5
4.68
V
Thermal shutdown
Vth
Shutdown threshold
160
°C
Hys
Hysteresis
50
°C
External oscillator (frequency modulation)
fFMOD
Oscillation frequency
CMOD = 0.1 F
600
750
900
Hz
---
Usable frequency range
0.05
15
kHz
Vpk
Peak voltage
(3)
1.5
V
Vvy
Valley voltage
0.5
V
IFMOD
Charge/discharge current
150
A
Mode selection / slope compensation
MODEth
Threshold for QR operation
3
V
SCpk
Ramp peak
(MODE/SC = open)
RS-COMP = 3 kΩ to GND, GD
pin high, VCOMP = 5 V
1.7
V
SCvy
Ramp starting value
(MODE/SC = open)
RS-COMP = 3 kΩ to GND,
GD pin high
0.3
V
Ramp voltage
(MODE/SC = open)
GD pin low
0
V
Source capability
(MODE/SC = open)
VS-COMP = VS-COMPpk
0.8
mA
Table 4.
Electrical characteristics (continued)
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