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參數資料
| 型號： | TB62757FUG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1430 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 0.95 MM, PITCH, LEAD FREE, PLASTIC, SSOP-6 |
| 文件頁數： | 15/20頁 |
| 文件大?。?/td> | 516K |
| 代理商： | TB62757FUG |
TB62757FUG
2006-02-206
4
Application Note
Protection in LED Opened Condition (OVD Function)
The operation with OVD terminal is available for the protection in case LED Circuit opened.
If load of LED is detached, Nch MOS switching operation is disabled with detection of boost circuit voltage.
(* When the voltage value recovers below the detection voltage value, operation is restarted.)
3
5
2
4
Monostable
multivibrator
for
reference
Circuit
on/off
6
1
SW
OVD
FB
GND
SHDN
VIN
Monostable
multivibrator
for
off time control
Error
AMP.
CTL
AMP.
PWM
2.2
F
VIN
4.7 to 10
H
1
F
16
@20
mA
Over voltage
detection
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