onsemiUnited States

TL431CD

IC VREF SHUNT ADJ 2.2% 8SOP

TL431CD is a three-terminal programmable shunt regulator with a 2.495V reference voltage, operating temperature of 0 to 70°C, in SOIC-8 package, featuring low dynamic impedance and wide current range.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Package	SOIC-8 (Pb-Free)
Operating Temperature Range	0 °C to 70 °C
Grade	Commercial (C)
RoHS	RoHS Compliant
Halogen Free	Halogen Free/BFR Free
Reference Input Voltage	Min: 2.44 V, Typ: 2.495 V, Max: 2.55 V (V_KA = V_ref, I_K = 10 mA, T_A = 25 °C)
Reference Input Voltage Deviation Over Temperature Range	Typ: 3.0 mV, Max: 17 mV (V_KA = V_ref, I_K = 10 mA, T_A = T_low to T_high)
Reference Input Current	Typ: 1.8 μA, Max: 4.0 μA (I_K = 10 mA, R1 = 10 k, R2 = ∞, T_A = 25 °C)
Minimum Cathode Current For Regulation	Typ: 0.5 mA, Max: 1.0 mA (V_KA = V_ref)
Off-State Cathode Current	Typ: 20 nA, Max: 1000 nA (V_KA = 36 V, V_ref = 0 V)
Dynamic Impedance	Typ: 0.22 Ω, Max: 0.5 Ω (V_KA = V_ref, ΔI_K = 1.0 mA to 100 mA, f ≤ 1.0 kHz)
Recommended Cathode to Anode Voltage	Min: V_ref, Max: 36 V
Recommended Cathode Current	Min: 1.0 mA, Max: 100 mA
Maximum Cathode to Anode Voltage	37 V
Maximum Cathode Current Range, Continuous	-100 to +150 mA
Operating Junction Temperature	150 °C
Storage Temperature Range	-65 to +150 °C
Total Power Dissipation @ T_A = 25 °C	0.70 W (D, LP Suffix Plastic Package)
ESD Rating	HBM: >2000 V, MM: >200 V, CDM: >500 V
Voltage Reference Tolerance	2.2%

All parameters (21)ExpandCollapse

Power
Current - Cathode	1 mA
Current - Output	100 mA
Current - Supply	-
Voltage - Input	-
Voltage - Output (Max)	36 V
Voltage - Output (Min/Fixed)	2.495V
AC and DC characteristics
Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10kHz	-
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-25°C ~ 85°C (TA)
Package	Tube
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Temperature Coefficient	50ppm/°C Typical
Other
Base Product Number	TL431
Mfr	onsemi
Output Type	Adjustable
Product Status	Obsolete
Reference Type	Shunt
Series	-
Tolerance	±2.2%

Pinout and package

(Top View) — Package: **SOIC-8 (Pb-Free)**

Pin	Name	Function	Source
1		Cathode
2		Reference
3		Anode
4		N/C
5		N/C
6		Anode
7		Anode
8		N/C

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