12 LM4041xQ (Adjustable Version) Electrical Characteristics

full-range T_A = –40°C to 125°C (unless otherwise noted)

PARAMETER		TEST CONDITIONS	T_A	LM4041CQ			LM4041DQ			UNIT
PARAMETER		TEST CONDITIONS	T_A	MIN	TYP	MAX	MIN	TYP	MAX	UNIT
V_REF	Reference voltage	I_Z = 100 μA, V_Z = 5 V	25°C		1.233			1.233		V
	Reference voltage tolerance⁽¹⁾	I_Z = 100 μA, V_Z = 5 V	25°C	–6.2		6.2	–12		12	mV
	Reference voltage tolerance⁽¹⁾	I_Z = 100 μA, V_Z = 5 V	Full range	–18		18	–30		30	mV
I_Z,min	Minimum cathode current		25°C		45	75		45	75	μA
I_Z,min	Minimum cathode current		Full range			80			80	μA
ΔV_REF/ΔI_Z	Reference voltage change with cathode current change	I_Z,min < I_Z < 1 mA	25°C		0.7	1.5		0.7	2	mV
		I_Z,min < I_Z < 1 mA	Full range			2			2.5
		1 mA < I_Z < 12 mA	25°C		2	4		2	6
		1 mA < I_Z < 12 mA	Full range			8			10
ΔV_REF/ΔV_KA	Reference voltage change with output voltage change	I_Z = 1 mA	25°C		–1.55	–2		–1.55	–2.5	mV/V
ΔV_REF/ΔV_KA	Reference voltage change with output voltage change	I_Z = 1 mA	Full range			–3			–4	mV/V
I_FB	Feedback current		25°C		60	100		60	150	nA
I_FB	Feedback current		Full range			120			200	nA
αV_REF	Average temperature coefficient of reference voltage⁽¹⁾	I_Z = 10 mA, V_Z = 5 V	25°C		±20			±20		ppm/°C
		I_Z = 1 mA, V_Z = 5 V	25°C		±15			±15
		I_Z = 1 mA, V_Z = 5 V	Full range			±100			±150
		I_Z = 100 μA, V_Z = 5 V	25°C		±15			±15
Z_Z	Reverse dynamic impedance	I_Z = 1 mA, f = 120 Hz, I_AC = 0.1 I_Z, V_Z = V_REF	25°C		0.3			0.3		Ω
Z_Z	Reverse dynamic impedance	I_Z = 1 mA, f = 120 Hz, I_AC = 0.1 I_Z, V_Z = 10 V	25°C		2			2		Ω
e_N	Wideband noise	I_Z = 100 μA, V_Z = V_REF, 10 Hz ≤ f ≤ 10 kHz	25°C		20			20		μV_RMS
	Long-term stability of reverse breakdown voltage	t = 1000 h, T_A = 25°C ± 0.1°C, I_Z = 100 μA	25°C		120			120		ppm

(1) Reference voltage tolerance and average temperature coefficient change with output voltage (V_Z). See Typical Characteristics.