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參數(shù)資料
| 型號(hào)： | TDA3608TH/N3C,518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, HSOP-20 |
| 文件頁數(shù)： | 5/22頁 |
| 文件大小： | 122K |
| 代理商： | TDA3608TH/N3C,518 |
2003 Nov 28
13
Philips Semiconductors
Product specication
Multiple voltage regulators with switch
TDA3608Q; TDA3608TH
10. The peak current of 300 mA can only be applied for short periods (t < 100 ms).
11. The dropout voltage is measured between pins BU and REG2.
12. The dropout voltage of the power switch is measured between pins VP and SW.
13. The maximum output current of the power switch is limited to 1.8 A when VP >18V.
14. During short-circuit, current Isc of the power switch is held constant to a lower value than the continuous current after
a delay of at least 10 ms. Furthermore, a foldback function is activated after the delay. When VSW < 3.5 V, the
short-circuit current is reduced to 0.5 A (typical value). The short-circuit protection of the power switch functions best
when C1 = 220
F and C2 = 10 F.
15. The reverse current of the backup switch is the current which is flowing out of pin VP at VP =0V.
handbook, halfpage
≥300
MGT571
8.5
2
VREG1
(V)
Isc
IREG1 (mA)
Im
Fig.8 Foldback current protection of regulator 1.
handbook, halfpage
≥50
MGT572
5.0
1
Isc
Im
VREG2
(V)
IREG2 (mA)
Fig.9 Foldback current protection of regulator 2.
handbook, halfpage
≥200
MGT573
5.0
1
Isc
Im
VREG3
(V)
IREG3 (mA)
Fig.10 Foldback current protection of regulator 3.
handbook, halfpage
MGT574
14.2
3
VSW
(V)
0.5
ISW (A)
2
(1)
Fig.11 Current protection of power switch.
(1) Delayed; time depends on value of capacitor C7.
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