南京豪纳LM1084 5A LDO稳压器datasheet

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LM1084系列正向可调和固定稳压器旨在提供高效率的5A。所有内部电路均设计为在低至1.3V的输入至输出差分电压下工作。片上微调将参考电压调整到1%。

特征
●可调或固定（1.5V、1.8V、2.5V、3.0V、3.3V、5V）输出
●5A 输出电流
●低压差，5A 输出电流时最大 1.5V
●0.04% 线路调节
●0.2 % 负载调节
●100% 热极限老化
●快速瞬态响应

典型应用电路


绝对最大额定值

SYMBOL	PARAMETER	VALUE	UNIT
Vcc	power DisSIPation	Internally Limited	W
VIN	Input Voltage	15	V
Tj	Operation Junction Temperature Range
	Control Section	-40 to 125	°C
	Power Transistor	-40 to 150
Tstg	Storage Temperature Range	-65 to+150	℃
Tlead	Lead Temperature (Soldering 10 sec)	300	℃
VESD	Minimum ESD Rating (HBM)	2	kV

电气特性
ILOAD = 0mA 和 TJ = +25℃（除非另有说明）

PARAMETER	device	TEST CONDITIONS		MIN.	TYP,	MAX.	UNIT
Reference Voltage Note 1	LM1084-ADJ	VIN =5V, ILOAD = 10mA		1.238	1.250	1.262	V
		ILOAD = 10mA to 5A	*	1.225	1.250	1.275
Output Voltage Note 1	All fixed versions	VIN – VOUT = 1.5V,Variator from nominal VOUT		-1	-	+1	%
		VIN – VOUT = 1.5V to 10V，ILOAD = 0mA to 5A,Variator from nominal VOUT	*	-2	—	+2
Line Regulation Note 1	All	ILOAD = 10mA,VIN – VOUT = 1.5V to 10V	*		0.04	0.20	%
Load Regulation Note 1	All	VIN – VOUT = 1.5V，ILOAD = 10mA to 5A	*	—	0.2	0.40
Minimum Load current	LM1084-ADJ	VIN =5V, VADJ = 0V	*	-	3	7	mA
Ground Pin Current	All fixed versions	VIN – VOUT = 1.5V，ILOAD = 10mA to 5A	*	-	7	10	mA
Adjust Pin Current	LM1084-ADJ	VIN – VOUT = 1.5V to 10V，ILOAD = 10mA	*	-	40	90	μA
Current Limit	All	VIN – VOUT = 1.5V	*	5	6.5	-	A
Ripple Rejection Note 2	All	VIN – VOUT = 3V，ILOAD = 5A	*	60	65	-	dB
Dropout Voltage Note 1,3	All	ILOAD = 5A	*		1.3	1.5	V
Temperature Coefficient	All	VIN – VOUT = 1.5V, ILOAD = 10mA	*		0.005		%/°C

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