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原理：LN2003也是一个7路反向器电路，即当输入端为高电平时ULN2003输出端为低电平，当输入端为低电平时ULN2003输出端为高电平，继电器得电吸合。如图九所示
功能特点：
高电压输出50V
输出钳位二极管
输入兼容各种类型的逻辑电路
应用继电器驱动器
ULN200X逻辑图
DISSIPATION RATING TABLE耗散评级表
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PACKAGE封装
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TA=25℃ POWER RATING 额定功率 |
DERATING FACTOR ABOVE功耗系数 TA=25℃ |
TA=85℃ POWER RATING 额定功率 |
| D |
950 mW 838电子 |
7.6 mW/℃ |
494 mW |
| N |
1150 mW |
9.2 mW/℃ |
598 mW |
electrical characteristics, 电气特性（除非另有说明）TA = 25℃ (unless otherwise noted)
| PARAMETER 参数 |
测试图 |
TEST CONDITIONS 测试条件 |
ULN2001A |
ULN2002A |
单位 |
| 最小 |
典型 |
最大 |
最小 |
典型 |
最大 |
- |
| VI(on) |
On-state input voltage 输入电压 |
6 |
VCE=2V, IC =300mA |
- |
- |
- |
- |
- |
13 |
V |
| VCE(sat) |
Collector-emitter saturation voltage集电极-发射极饱和电压 |
5 |
II=250μA,IC=100mA |
- |
0.9 |
1.1 |
- |
0.9 |
1.1 |
V |
| II=350μA, IC=200mA |
- |
1 |
1.3 |
- |
1 |
1.3 |
| II=500μA, IC=350mA |
- |
1.2 |
1.6 |
- |
1.2 |
1.6 |
| VF |
Clamp forward voltage 正向钳位电压 |
8 |
IF = 350mA |
- |
1.7 |
2 |
- |
1.7 |
2 |
V |
| ICEX |
Collector cutoff current集电极截止电流 |
1 |
VCE = 50V, II = 0 |
- |
- |
50 |
- |
- |
50 |
μA |
| 2 |
VCE=50V,TA= 70℃ |
II=0 |
- |
|
100 |
- |
- |
100 |
- |
| VI=6V |
- |
- |
- |
- |
- |
500 |
| II(off) |
Off state input current关闭状态下输入电流 |
3 |
VCE=50V,TA=70℃ IC=500μA, |
50 |
65 |
- |
50 |
65 |
- |
μA |
| II |
Input current 输入电流 |
4 |
VI = 17 V |
- |
- |
- |
- |
0.82 |
1.25 |
mA |
| IR |
Clamp reverse current 反向钳位电流 |
7 |
VR=50V, TA=70℃ |
- |
- |
100 |
- |
- |
100 |
μA |
| VR = 50 V |
- |
- |
50 |
- |
- |
50 |
| hFE |
Static forward-current transfer ratio 静态正向电流传输比 |
5 |
VCE=2V, IC =350mA |
1000 |
- |
- |
- |
- |
- |
- |
| Ci |
Input capacitance 输入电容 |
- |
VI = 0, f = 1MHz |
|
15 |
25 |
|
15 |
25 |
pF |
electrical characteristics, 电气特性（除非另有说明）TA = 25℃ (unless otherwise noted)
| PARAMETER 参数 |
测试图 |
TEST CONDITIONS 测试条件 |
ULN2003A |
ULN2004A |
单位 |
| 最小 |
典型 |
最大 |
最小 |
典型 |
最大 |
| VI(on) |
On state input voltage输入电压 |
66 |
VCE=2V |
IC=125mA |
|
|
|
|
|
5 |
V |
| IC=200mA |
- |
- |
2.4 |
- |
- |
6 |
| IC=250mA |
- |
- |
2.7 |
- |
- |
- |
| IC=275mA |
- |
- |
- |
- |
- |
7 |
| IC=300mA |
- |
- |
3 |
- |
- |
- |
| IC=350mA |
|
|
|
|
|
8 |
| VCE(sat) |
ittCollector-emitter saturation voltage集电极发射极饱和电压 |
5 |
II = 250μA, IC=100mA |
- |
0.9 |
1.1 |
|
0.9 |
1.1 |
V |
| II = 350μA, IC =200mA |
- |
1 |
1.3 |
|
1 |
1.3 |
| II = 500μA, IC=350mA |
- |
1.2 |
1.6 |
|
1.2 |
1.6 |
| ICEX |
Collector cutoff current 集电极截止电流 |
1 |
VCE = 50V, II = 0 |
- |
- |
50 |
- |
|
50 |
μA |
| 22 |
VCE=50V,TA=70℃ |
II = 0 |
- |
- |
100 |
- |
- |
100 |
- |
| VI = 1V |
- |
- |
- |
- |
- |
500 |
| VF |
Clamp forward voltage 正向钳位电压 |
8 |
IF = 350mA |
- |
1.7 |
2 |
- |
1.7 |
2 |
V |
| II(off) |
Off state input current 关闭状态下输入电流 |
33 |
VCE = 50 V, CE , TA = 70℃ IC = 500μA |
50 |
65 |
- |
50 |
65 |
- |
μA |
| II |
Input current输入电流 |
4 |
VI = 3.85 V |
- |
0.93 |
1.35 |
- |
- |
- |
mA |
| VI = 5 V |
- |
- |
- |
|
0.35 |
0.5 |
| VI = 12 V |
- |
- |
- |
|
1 |
1.45 |
| IR |
Clamp reverse current 反向钳位电流 |
77 |
VR = 50 V |
- |
- |
50 |
- |
- |
50 |
μA |
| VR = 50 V, TA = 70℃ |
- |
- |
100 |
- |
- |
100 |
| Ci |
Input capacitance输入电容 |
- |
VI = 0, f =1MHz |
- |
15 |
25 |
|
15 |
25 |
pF |
electrical characteristics, 电气特性（除非另有说明）TA = 25℃ (unless otherwise noted)
| PARAMETER 参数 |
测试图 |
TEST CONDITIONS 测试条件 |
ULQ2003A |
ULQ2004A |
单位 |
| 最小 |
典型 |
最大 |
最小 |
典型 |
最大 |
| VI(on) |
On state input voltage输入电压 |
6 |
VCE=2V |
IC=125mA |
|
|
|
|
|
5 |
V |
| IC=200mA |
- |
- |
2.7 |
- |
- |
6 |
| IC=250mA |
- |
- |
2.9 |
- |
- |
- |
| IC=275mA |
- |
- |
- |
- |
- |
7 |
| IC=300mA |
- |
- |
3 |
- |
- |
- |
| IC=350mA |
|
|
|
|
|
8 |
| VCE(sat) |
ittCollector-emitter saturation voltage集电极发射极饱和电压 |
5 |
II = 250μA, IC=100mA |
- |
0.9 |
1.1 |
|
0.9 |
1.1 |
V |
| II = 350μA, IC =200mA |
- |
1 |
1.3 |
|
1 |
1.3 |
| II = 500μA, IC=350mA |
- |
1.2 |
1.6 |
|
1.2 |
1.6 |
| ICEX |
Collector cutoff current 集电极截止电流 |
1 |
VCE = 50V, II = 0 |
- |
- |
50 |
- |
|
50 |
μA |
| 22 |
VCE=50V |
II = 0 |
- |
- |
100 |
- |
- |
100 |
| VI = 1V |
- |
- |
- |
- |
- |
500 |
| VF |
Clamp forward voltage 正向钳位电压 |
8 |
IF =350mA |
- |
1.7 |
2 |
- |
1.7 |
2 |
V |
| II(off) |
Off state input current 关闭状态下输入电流 |
3 |
VCE =50V, IC=500μA |
30 |
65 |
- |
50 |
65 |
- |
μA |
| II |
Input current输入电流 |
4 |
VI = 3.85V |
- |
0.93 |
1.35 |
- |
- |
- |
mA |
| VI = 5V |
- |
- |
- |
|
0.35 |
0.5 |
| VI = 12V |
- |
- |
- |
|
1 |
1.45 |
| IR |
Clamp reverse current 反向钳位电流 |
7 |
VR = 50V TA =25℃ |
- |
- |
100 |
- |
- |
50 |
μA |
| VR = 50V |
- |
- |
100 |
- |
- |
100 |
| Ci |
Input capacitance输入电容 |
- |
VI = 0, f=1MHz |
- |
15 |
25 |
|
15 |
25 |
pF |
switching characteristics, 开关特性TA = 25℃
| PARAMETER 参数 |
TEST CONDITIONS 测试条件 |
ULN2001A,ULN2002A, ULN2003A,ULN2004A |
单位 |
| 最小 |
典型 |
最大 |
- |
| tPLH |
Propagation delay time, low- to high-level output传播延迟时间，从低到高输出 |
See Figure 9 |
- |
0.25 |
1 |
μs |
| tPHL |
Propagation delay time, high- to low-level output 传播延迟时间，从高到低输出 |
See Figure 9 |
- |
0.25 |
1 |
μs |
| VOH |
High-level output voltage after switching 输出高电平电压 |
VS=50V, IO≈300mA, See Figure 10 |
VS–20 |
- |
- |
mV |
switching characteristics over recommended operating conditions (unless otherwise noted)开关特性的建议运行条件（除非另有说明）
| PARAMETER 参数838电子 |
TEST CONDITIONS 测试条件 |
ULQ2003A,ULQ2004A |
单位 |
| 最小 |
典型 |
最大 |
| tPLH |
Propagation delay time, low- to high-level output 传播延迟时间，从低到高输出 |
See Figure 9 |
- |
1 |
10 |
μs |
| tPHL |
Propagation delay time, high- to low-level output 传播延迟时间，从高到低输出 |
See Figure 9 |
- |
1 |
10 |
μs |
| VOH |
High-level output voltage after switching 输出高电平电压 |
VS=50V, IO≈300mA, See Figure 10 |
VS–500 |
- |
- |
mV |
图一 ULN2001A内部电路图 图二 ULN2002A内部电路图
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图三 ULN2003A ULN2004A ULQ2003A ULQ2004A内部电路图
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图1 ICEX测试电路 图2 ICEX测试电路
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图3 ICEX测试电路 图4ICEX测试电路
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图5 hFE, VCE(sat)测试电路 图6 VI(on) 测试电路
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图四 参数测量信息
应用电路：
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图五MOS管加载到输入端 图六 TTL电路到输入端
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图七 冲区高电流负载 图八 使用上拉电阻提高驱动电流
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图九 实际应用的UL2003电路图
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| absolute maximum ratings at=25℃ free-air temperature (unless otherwise noted)?绝对最大额定值at=25℃ |
| Collector-emitter voltage 集电极-发射极电压 |
50 V |
| Clamp diode reverse voltage 钳位二极管的反向电压（见注1 ） |
50 V |
| Input voltage, VI (see Note 1) 输入电压 |
30 V |
| Peak collector current (see Figures 14 and 15)峰值集电极电流 |
500 mA |
| Output clamp current, IOK .输出钳位电流 |
500 mA |
| Total emitter-terminal current 共发射极端子电流 |
–2.5 A |
| Continuous total power dissipation . 连续总功耗 |
See Dissipation Rating Table |
| Package thermal impedance, θJA 封装热阻(see Note 2): |
D package |
73℃/W |
| N package |
67℃/W |
| NS package |
64℃/W |
| Operating free-air temperature range, TA 自由空气的温度范围内 |
ULN200xA |
–20℃ to 70℃ |
| ULQ200xA |
–40℃ to 85℃ |
| Lead temperature 1.6mm(1/16inch)from case for 10 seconds |
260℃ |
| Storage temperature range, Tstg 储存温度范围 |
–65℃ to 150℃ |
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