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參數(shù)資料
| 型號： | FA7630CE |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 61K |
| 代理商： | FA7630CE |
FA7630CP(E)
3
Timer and latch circuit section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Latch-mode threshold voltage
VTHCP
1.00
1.25
1.50
V
Input bias current
IINCP
VCP=1.5V, VFB=0.3V
1
A
CP pin voltage / LOW
VSATC
ICP=20
A, VFB=1.0V
300
mV
Output ON/OFF control section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
VTHON
3.0
V
ON-to-OFF threshold voltage
VTHOF
0.60
V
Input bias current
IIN
VIN=3V
230
350
A
Undervoltage lock-out circuit section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
VCCON
3.92
4.20
4.48
V
ON-to-OFF threshold voltage
VCCOF
3.50
V
Voltage hysteresis
VHYS
0.70
V
Output section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Saturation voltage(H level)
VSAT+
IO= –50mA
1.60
2.00
V
Saturation voltage(L level)
VSAT–
IO= 50mA
1.40
1.80
V
Pulse width modulation circuit section (FB pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
VTHO
Duty cycle = 0%
1.65
V
Input threshold voltage
VTH1
Duty cycle = 100%
0.95
V
Dead time adjustment circuit section (DT pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
VTHO
Duty cycle = 0%
1.65
V
Input threshold voltage
VTH1
Duty cycle = 100%
0.95
V
Standby voltage
VSTB
DT pin open
1.80
V
Overcurrent limiting circuit section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
VTHOC
175
200
225
mV
Hysteresis voltage
VHYOC
40
mV
Input bias current
IOC
45
80
A
Delay in OCL
tdoc
Overdriving : 50mV
120
ns
Overall device
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Standby supply current
ICCST
Out pin open
0.1
10
A
Operating-state supply current
ICC1
Single channel operation
2.20
3.20
mA
Duty cycle =50%
ICC2
Dual channel operation
3.00
4.20
mA
Duty cycle =50%
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