Name: ST L7805CV-DG
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。

关键参数速览

电源电压 VCC: 68

产品特点 Features

voltage and currents.
 Output current up to 1.5 A
 Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18;
 Thermal overload protection
 Short circuit protection
 Output transition SOA protection
 2 % output voltage tolerance (A version)
 Guaranteed in extended temperature range
(A version)
Table 1. Device summary
Part numbers
L7805 L7806AC L7809AB L7815AB
L7805C L7808C L7809AC L7815AC
L7805AB L7808AB L7812C L7818C
L7805AC L7808AC L7812AB L7824C
L7806C L7885C L7812AC L7824AB

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	参数	值	单位
	for V = 5 to 18	V 35
V DC input	voltage		V
	for V = 20, 24	V 40
T Storage	temperature range	-65 to 150	°C
	for L78xx	-55 to 150
T Operating	junction temperature range for L78xxC,	L78xxAC 0 to 125	°C
	for L78xxAB	-40 to 125
	Table 3. Thermal data
R Thermal resistance	junction-case 3 8	5 5 4	°C/W
R Thermal resistance	junction-ambient 62.5 100	50 60 35	°C/W

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
		J I	O	I
V Output	voltage	T = 25°C	4.8	5	5.2	V
V Output	voltage	I = 5 mA to 1 A, V = 8 to 20 V	4.65	5	5.35	V
		V = 7 to 25 V, T = 25°C		3	50
V (1) Line	regulation					mV
		V = 8 to 12 V, T = 25°C		1	25
		I = 5 mA to 1.5 A, T = 25°C			100
V (1) Load	regulation					mV
		I = 250 to 750 mA, T = 25°C			25
I	Quiescent current	T = 25°C			6	mA
		I = 5 mA to 1 A			0.5
I	Quiescent current change					mA
		V = 8 to 25 V			0.8
V /T Output	voltage drift	I = 5 mA		0.6		mV/°C
eN Output	noise voltage	B =10 Hz to 100 kHz, T = 25°C			40	µV/V
SVR Supply	voltage rejection	V = 8 to 18 V, f = 120 Hz	68			dB
V	Dropout voltage	I = 1 A, T = 25°C		2	2.5	V
R Output	resistance	f = 1 kHz		17		m
I Short	circuit current	V = 35 V, T = 25°C		0.75	1.2	A
I Short	circuit peak current	T = 25°C	1.3	2.2	3.3	A
taken into	account separately. Pulse testing	with low duty cycle is used.
V	= 10 V, I = 1 A, T =	0 to 125 °C (L7805AC), T =	-40 to 125 °C	(L7805AB),	unless
V Output	voltage	T = 25°C	4.9	5	5.1	V
V Output	voltage	I = 5 mA to 1 A, V = 7.5 to 18 V	4.8	5	5.2	V
V Output	voltage	I = 1 A, V = 18 to 20 V, T = 25°C	4.8	5	5.2	V
		V = 7.5 to 25 V, I = 500 mA, T =	25°C	7	50	mV
		V = 8 to 12 V		10	50	mV
		V = 8 to 12 V, T = 25°C		2	25	mV
		V = 7.3 to 20 V, T = 25°C		7	50	mV
		I = 5 mA to 1 A		25	100
V (1) Load	regulation	I = 5 mA to 1.5 A, T = 25°C		30	100	mV
		I = 250 to 750 mA		8	50
		T = 25°C		4.3	6 6	mA mA
		V = 8 to 23 V, I = 500 mA			0.8	mA
I	Quiescent current change	V = 7.5 to 20 V, T = 25°C			0.8	mA
		I = 5 mA to 1 A			0.5	mA
SVR Supply	voltage rejection	V = 8 to 18 V, f = 120 Hz, I = 500	mA	68		dB
V	Dropout voltage	I = 1 A, T = 25°C		2		V
eN Output	noise voltage	T = 25°C, B =10 Hz to 100 kHz		10		µV/V
R Output	resistance	f = 1 kHz		17		m
I Short	circuit current	V = 35 V, T = 25°C		0.2		A
I Short	circuit peak current	T = 25°C		2.2		A
V /T Output	voltage drift			-1.1		mV/°C
taken into	account separately. Pulse testing	with low duty cycle is used.
V	= 11 V, I = 1 A, T =	0 to 125 °C (L7806AC), T =	-40 to 125 °C	(L7806AB),	unless
V Output	voltage	T = 25°C	5.88	6	6.12	V
V Output	voltage	I = 5 mA to 1 A, V = 8.6 to 19 V	5.76	6	6.24	V
V Output	voltage	I = 1 A, V = 19 to 21 V, T = 25°C	5.76	6	6.24	V
		V = 8.6 to 25 V, I = 500 mA, T =	25°C	9	60	mV
		V = 9 to 13 V		11	60	mV
		V = 9 to 13 V, T = 25°C		3	30	mV
		V = 8.3 to 21 V, T = 25°C		9	60	mV
		I = 5 mA to 1 A		25	100
V (1) Load	regulation	I = 5 mA to 1.5 A, T = 25°C		30	100	mV
		I = 250 to 750 mA		10	50
		T = 25°C		4.3	6 6	mA mA
		V = 9 to 24 V, I = 500 mA			0.8	mA
I	Quiescent current change	V = 8.6 to 21 V, T = 25°C			0.8	mA
		I = 5 mA to 1 A			0.5	mA
SVR Supply	voltage rejection	V = 9 to 19 V, f = 120 Hz, I = 500	mA	65		dB
V	Dropout voltage	I = 1 A, T = 25°C		2		V
eN Output	noise voltage	T = 25°C, B =10 Hz to 100 kHz		10		µV/V
R Output	resistance	f = 1 kHz		17		m
I Short	circuit current	V = 35 V, T = 25°C		0.2		A
I Short	circuit peak current	T = 25°C		2.2		A
V /T Output	voltage drift			-0.8		mV/°C
taken into	account separately. Pulse testing	with low duty cycle is used.
V	= 14 V, I = 1 A, T =	0 to 125 °C (L7808AC), T =	-40 to 125 °C	(L7808AB),	unless
V Output	voltage	T = 25°C	7.84	8	8.16	V
V Output	voltage	I = 5 mA to 1 A, V = 10.6 to 21 V	7.7	8	8.3	V
V Output	voltage	I = 1 A, V = 21 to 23 V, T = 25°C	7.7	8	8.3	V
		I O		12	80	mV
V (1) Line	regulation	V I = 11 to 17 V		15	80	mV
		V = 11 to 17 V, T = 25°C		5	40	mV
		V = 10.4 to 23 V, T = 25°C		12	80	mV
		I = 5 mA to 1 A		25	100
V (1) Load	regulation	I = 5 mA to 1.5 A, T = 25°C		30	100	mV
		I = 250 to 750 mA		10	50
		T = 25°C		4.3	6 6	mA mA
		V = 11 to 23 V, I = 500 mA			0.8	mA
I	Quiescent current change	V = 10.6 to 23 V, T = 25°C			0.8	mA
		I = 5 mA to 1 A			0.5	mA
SVR Supply	voltage rejection	I		62		dB
V	Dropout voltage	I = 1 A, T = 25°C		2		V
eN Output	noise voltage	T = 25°C, B =10 Hz to 100 kHz		10		µV/V
R Output	resistance	f = 1 kHz		18		m
I Short	circuit current	V = 35 V, T = 25°C		0.2		A
I Short	circuit peak current	T = 25°C		2.2		A
V /T Output	voltage drift			-0.8		mV/°C
taken into	account separately. Pulse testing	with low duty cycle is used.
V	= 15 V, I = 1 A, T =	0 to 125 °C (L7809AC), T =	-40 to 125 °C	(L7809AB),	unless
V Output	voltage	T = 25°C	8.82	9	9.18	V
V Output	voltage	I = 5 mA to 1 A, V = 10.6 to 22 V	8.65	9	9.35	V
V Output	voltage	I = 1 A, V = 22 to 24 V, T = 25°C	8.65	9	9.35	V
		I O		12	90	mV
V (1) Line	regulation	V I = 11 to 17 V		15	90	mV
		V = 11 to 17 V, T = 25°C		5	45	mV
		V = 11.4 to 23 V, T = 25°C		12	90	mV
		I = 5 mA to 1 A		25	100
V (1) Load	regulation	I = 5 mA to 1.5 A, T = 25°C		30	100	mV
		I = 250 to 750 mA		10	50
		T = 25°C		4.3	6 6	mA mA
		V = 11 to 25 V, I = 500 mA			0.8	mA
I	Quiescent current change	V = 10.6 to 23 V, T = 25°C			0.8	mA
		I = 5 mA to 1 A			0.5	mA
SVR Supply	voltage rejection	I		61		dB
V	Dropout voltage	I = 1 A, T = 25°C		2		V
eN Output	noise voltage	T = 25°C, B =10 Hz to 100 kHz		10		µV/V
R Output	resistance	f = 1 kHz		18		m
I Short	circuit current	V = 35 V, T = 25°C		0.2		A
I Short	circuit peak current	T = 25°C		2.2		A

特性曲线（Typical Performance Curves）

应用领域 Applications

6.1 Design considerationFigure 8. Fixed output regulatorFigure 9. Current regulatorI = V /R +IO XX 1 dI  5 IV = V (1+R /R )+I RO XX 2 1 d 2Figure 12. 0.5 to 10 V regulatorV =V R /RO XX 4 1R = ______________

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L7805CV-DG 2 Pin configuration