Name: ST L78L05ACUTR
Brand: ST
Availability: InStock

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产品应用与封装尺寸

图纸取自原厂规格书，点击可放大查看原始尺寸标注。

引脚定义与内部结构

引脚	符号	名称
8	V
9	V
10	V
11	V
12	V

数据来源：原厂规格书引脚图

关键参数速览

正向电压 VF: 49
电源电压 VCC: 49

绝对最大额定值 Absolute Maximum Ratings（TA = 25°C）

超过下表数值可能造成器件永久损坏，设计时请留余量。

符号	Parameter²	值	单位
DC Input	Voltage V = 3.3 to 9 V	30
V	V = 12 to 15 V	35	V
	V = 18 to 24 V	40
I Output Current		100	mA
T Storage	Temperature Range	-40 to 150	°C
	OperatingJunctionTemperature for L78L00C, L78L00AC	0 to 125
	for L78L00AB	-40 to 125
R Thermal	Resistance Junction-case Max	20 15	°C/W
R Thermal	Resistance Junction-ambient Max	55 (*) 200	°C/W
(*) Considering 6 cm2 of copper	Board heat-sink

数据来源：原厂规格书

电气特性 Electrical Characteristics（TA = 25°C）

符号	参数	测试条件	最小	典型	最大	单位
T = 0 to 125°C	for L78L33AC, T	= -40 to 125°C for L78L33AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	3.168	3.3	3.432	V
V Output	Voltage	I = 1 to 40 mA V = 5.3 to 20 V	3.135		3.465	V
		I = 1 to 70 mA V = 8.3 V	3.135		3.465
D V Line	Regulation	V = 5.3 to 20 V T = 25°C			150	mV
		V = 6.3 to 20 V T = 25°C			100
D V Load	Regulation	I = 1 to 100 mA T = 25°C			60	mV
		I = 1 to 40 mA T = 25°C			30
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 6.3 to 20 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		40		m V
SVR Supply	Voltage Rejection	V = 6.3 to 16.3 V f = 120Hz	41	49		dB
V Dropout	Voltage			1.7		V
T = 0 to 125°C	for L78L05AC, T	= -40 to 125°C for L78L05AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	4.8	5	5.2	V
V Output	Voltage	I = 1 to 40 mA V = 7 to 20 V	4.75		5.25	V
		I = 1 to 70 mA V = 10 V	4.75		5.25
D V Line	Regulation	V = 7 to 20 V T = 25°C			150	mV
		V = 8 to 20 V T = 25°C			100
D V Load	Regulation	I = 1 to 100 mA T = 25°C			60	mV
		I = 1 to 40 mA T = 25°C			30
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 8 to 20 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		40		m V
SVR Supply	Voltage Rejection	V = 8 to 18 V f = 120Hz	41	49		dB
V Dropout	Voltage			1.7		V
T = 0 to 125°C	for L78L06AC, T	= -40 to 125°C for L78L06AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	5.76	6	6.24	V
V Output	Voltage	I = 1 to 40 mA V = 8.5 to 20 V	5.7		6.3	V
		I = 1 to 70 mA V = 12 V	5.7		6.3
D V Line	Regulation	V = 8.5 to 20 V T = 25°C			150	mV
		V = 9 to 20 V T = 25°C			100
D V Load	Regulation	I = 1 to 100 mA T = 25°C			60	mV
		I = 1 to 40 mA T = 25°C			30
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 9 to 20 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		50		m V
SVR Supply	Voltage Rejection	V = 9 to 20 V f = 120Hz	39	46		dB
V Dropout	Voltage			1.7	L78L00	V SERIES
T = 0 to 125°C	for L78L08AC, T	= -40 to 125°C for L78L08AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	7.68	8	8.32	V
V Output	Voltage	I = 1 to 40 mA V = 10.5 to 23	V 7.6		8.4	V
		I = 1 to 70 mA V = 14 V	7.6		8.4
D V Line	Regulation	V = 10.5 to 23 V T = 25°C			175	mV
		V = 11 to 23 V T = 25°C			125
D V Load	Regulation	I = 1 to 100 mA T = 25°C			80	mV
		I = 1 to 40 mA T = 25°C			40
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 11 to 23 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		60		m V
SVR Supply	Voltage Rejection	V = 12 to 23 V f = 120Hz	37	45		dB
V Dropout	Voltage			1.7		V
T = 0 to 125°C	for L78L09AC, T	= -40 to 125°C for L78L09AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	8.64	9	9.36	V
V Output	Voltage	I = 1 to 40 mA V = 11.5 to 23	V 8.55		9.45	V
		I = 1 to 70 mA V = 15 V	8.55		9.45
D V Line	Regulation	V = 11.5 to 23 V T = 25°C			225	mV
		V = 12 to 23 V T = 25°C			150
D V Load	Regulation	I = 1 to 100 mA T = 25°C			80	mV
		I = 1 to 40 mA T = 25°C			40
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 12 to 23 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		70		m V
SVR Supply	Voltage Rejection	V = 12 to 23 V f = 120Hz	37	44		dB
V Dropout	Voltage			1.7		V
T = 0 to 125°C	for L78L10AC, T	= -40 to 125°C for L78L10AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	9.6	10	10.4	V
V Output	Voltage	I = 1 to 40 mA V =12.5 to 23 V	9.5		10.5	V
		I = 1 to 70 mA V = 16 V	9.5		10.5
D V Line	Regulation	V = 12.5 to 23 V T = 25°C			230	mV
		V = 13 to 23 V T = 25°C			170
D V Load	Regulation	I = 1 to 100 mA T = 25°C			80	mV
		I = 1 to 40 mA T = 25°C			40
I	Quiescent Current	T = 25°C			6	mA
		T = 125°C			5.5	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 13 to 23 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		60		m V
SVR Supply	Voltage Rejection	V = 14 to 23 V f = 120Hz	37	45		dB
V Dropout	Voltage			1.7		V
T = 0 to 125°C	for L78L12AC, T	= -40 to 125°C for L78L12AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	11.5	12	12.5	V
V Output	Voltage	I = 1 to 40 mA V = 14.5 to 27	V 11.4		12.6	V
		I = 1 to 70 mA V = 19 V	11.4		12.6
D V Line	Regulation	V = 14.5 to 27 V T = 25°C			250	mV
		V = 16 to 27 V T = 25°C			200
D V Load	Regulation	I = 1 to 100 mA T = 25°C			100	mV
		I = 1 to 40 mA T = 25°C			50
I	Quiescent Current	T = 25°C			6.5	mA
		T = 125°C			6	mA
D I	Quiescent Current Change	I = 1 to 40 mA			0.1	mA
		V = 16 to 27 V			1.5
eN Output	Noise Voltage	B =10Hz to 100KHz T = 25°C		80		m V
SVR Supply	Voltage Rejection	V = 15 to 25 V f = 120Hz	37	42		dB
V Dropout	Voltage			1.7	L78L00	V SERIES
T = 0 to 125°C	for L78L15AC, T	= -40 to 125°C for L78L15AB,	unless otherwise	specified)
V Output	Voltage	T = 25°C	14.4	15	15.6	V
V Output	Voltage	I = 1 to 40 mA V = 17.5 to 30	V 14.25		15.75	V
		I = 1 to 70 mA V = 23 V	14.25		15.75
D V Line	Regulation	V = 17.5 to 30 V T = 25°C			300	mV

特性曲线（Typical Performance Curves）

应用领域 Applications

SCHEMATIC DIAGRAMFigure 11 : Edit Boost CircuitFigure 12 : Current RegulatorL78L00 SERIESFigure 13 : Adjustable Output RegulatorSO-8 MECHANICAL DATA mm. inchMIN. TYP MAX. MIN. TYP. MAX.A 1.35 1.75 0.053 0.069A1 0.10 0.25 0.04 0.010A2 1.10 1.65 0.043 0.065B 0.33 0.51 0.013 0.020C 0.19 0.25 0.007 0.010

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📄 L78L05ACUTR 规格书 PDF

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