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ST 78L08U
3-Terminal Positive Voltage Regulator
Absolute Maximum Ratings (Ta = 25 OC)
Parameter Input Voltage Power Dissipation Operating Temperature Storage Temperature Range
1)
Symbol VI Ptot Topr Ts
Value 30 800
1)
Unit V mW
O
- 20 to + 120 - 55 to + 150
C C
O
15 mm X 25 mm X 0.7 mm alumina ceramic board, Ta 25 OC
Electrical Characteristics (Ta = 25 OC) (Unless otherwise specified, 0 OC TJ 125 OC, VI = 14 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F)
Parameter Output Voltage Symbol Tj = 25 C
O
Test Condition 10.5 V VI 23 V, 1 mA IO 40 mA VI = 14 V, 1 mA IO 70 mA 10.5 V VI 23 V, Tj = 25 C
O
Min. 7.7 7.6 7.6 39 O
Typ. 8 60 1.7
Max. 8.3 8.4 8.4 175 125 80 40 5.5 1.5 0.1 -
Unit V V V mV mV mA mA V dB V
VO
Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Dropout Voltage
Regline Regload IQ IQ VN RR VDrop
11 V VI 23 V, Tj = 25 C
O
1 mA IO 100 mA, Tj = 25 OC 1 mA IO 40 mA, Tj = 25 C Tj = 25 OC 12 V VI 23 V, IO = 40 mA VI = 14 V, 1 mA IO 40 mA 10 Hz f 100 KHz, Tj = 25 OC f = 120 Hz, 12 V VI 22 V, Tj = 25 OC Tj = 25 C
VI C1 0.33 F
78L08U
C2
VO 0.1 F
SEMTECH ELECTRONICS LTD.
(R)
(Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 05/09/2006
ST 78L08U
SOT-89 PACKAGE OUTLINE
SEMTECH ELECTRONICS LTD.
(R)
(Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 05/09/2006

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