ULN2803引腳圖
型號：ULN2803APG 封裝：DIP18
ULN2802 ULN2803 ULN2804A 8個(gè)NPN達(dá)林頓晶體管，連接在陣列非常適合邏輯接口電平數(shù)字電路（例如TTL，CMOS或PMOS上/ NMOS）和較高的電流/電壓，如電燈，電磁閥，繼電器，打印錘或其他類似的負(fù)載，廣泛的使用范圍：計(jì)算機(jī)，工業(yè)和消費(fèi)應(yīng)用。所有設(shè)備功能由集電極輸出和鉗位二極管瞬態(tài)抑制。 該ULN2803是專為符合標(biāo)準(zhǔn)TTL，而制造ULN2804適合6至15V的高級別CMOS或PMOS上。該電路為反向輸出型，即輸入低電平電壓，輸出端才能導(dǎo)通工作。
MAXIMUM RATINGS (TA = 25℃ and rating apply to any one device in the
package, unless otherwise noted.)最大額定值
Rating 參數(shù)Symbol 符號Value 數(shù)值Unit 單位
Outputvoltage 輸出電壓VO 50 V
Inputvoltage (Except ULN2801) 輸入電壓（除ULN2801 ）VI 30 V
Collector Current – Continuous
集電極電流-連續(xù)IC 500 mA
Base Current – Continuous 基極電流-連續(xù)IB 25 mA
Operating Ambient Temperature Range 操作環(huán)境溫度范圍TA 0 to +70 ℃
Storage Temperature Range 儲存溫度范圍Tstg – 55 to +150 ℃
Junction Temperature 結(jié)溫TJ 125 ℃
ELECTRICAL CHARACTERISTICS (TA = 25℃, unless otherwise noted)電氣特性:
Characteristic 參數(shù)符號 最小 典型最大Unit單位
Output Leakage Current (Figure 1)輸出泄漏電流（圖1 ）μA
(VO = 50v, TA = +70℃) 所有類型ICEX 100
(VO = 50v, TA = +25℃) 所有類型 50
(VO = 50v, TA = +70℃,vI = 6.0V) ULN2802 500
(VO = 50v, TA = +70℃,vI = 1.0V)ULN2804 500
Collector–Emitter Saturationvoltage (Figure 2)集電極發(fā)射極飽和電壓（圖2 ） V
(IC = 350mA, IB = 500μA) 所有類型VCE(sat) 1.1 1.6
(IC = 200mA, IB = 350μA) 所有類型 0.951.3
(IC = 100mA, IB = 250μA) 所有類型 0.85 1.1
Input Current – On Condition (Figure 4) 輸入電流-狀態(tài)（圖4 ）mA
(VI = 17v)ULN2802II(on) 0.82 1.25
(VI = 3.85v) ULN2803 0.931.35
(VI = 5.0v) ULN2804 0.35 0.5
(VI = 12v)ULN2804 1.0 1.45
Inputvoltage – On Condition (Figure 5) 輸入電壓-狀態(tài)（圖5 ）V
(VCE = 2.0v, IC = 300mA) ULN2802VI(on) 13
(VCE = 2.0v, IC = 200mA) ULN2803 2.4
(VCE = 2.0v, IC = 250mA) ULN2803 2.7
(VCE = 2.0v, IC = 300mA) ULN2803 3.0
(VCE = 2.0v, IC = 125mA) ULN2804 5.0
(VCE = 2.0v, IC = 200mA) ULN2804 6.0
(VCE = 2.0v, IC = 275mA) ULN2804 7.0
(VCE = 2.0v, IC = 350mA) ULN2804 8.0
Input Current–Off Condition 輸入電流開關(guān)條件(Figure3)(IC= 500mA,TA=+70℃) 所有類型 II(off) 50 100 – μA
DC Current Gain (Figure 2)直流電流增益(VCE=2.0v, IC=350mA) ULN2801 hFE 1000 – – –
Input Capacitance 輸入電容CI – 15 25 pF
Turn–On Delay Time 開啟延遲時(shí)間(50% EI to 50% EO) ton – 0.25 1.0 μs
Turn–Off Delay Time 關(guān)斷延遲時(shí)間(50% EI to 50% EO) toff – 0.25 1.0 μs
Clamp Diode Leakage Current (Figure 6)鉗位二極管漏電流(VR=50v) TA = +25℃IR – – 50 μA
TA = +70℃ 100
Clamp Diode Forwardvoltage(Figure 7)鉗位二極管正向電壓(IF=350mA) VF – 1.5 2.0
V
