ASTEC AS432CR5VS7, AS432CR5VS13, AS432CR5ST, AS432CR5SB, AS432CR5SA Datasheet

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ASTEC AS432CR5VS7, AS432CR5VS13, AS432CR5ST, AS432CR5SB, AS432CR5SA, AS432CR5S7, AS432CR5S13, AS432CR5LPY, AS432CR5LPT, AS432CR5LPB, AS432CR5LPA, AS432CR5LP7, AS432CR5LP13, AS432CR5DT, AS432CR5DBVT, AS432CR5DBVB, AS432CR5DBVA, AS432CR5DBV7, AS432CR5DBV13, AS432CR5DB, AS432CR5VST, AS432CR5VSB, AS432CR5VSA, AS432CR5DA, AS432CR5D7, AS432CR5D14, AS432CR5D13, AS432CR25VST, AS432CR25VSS, AS432CR25VSB, AS432CR25VSA, AS432CR25VS7, AS432CR25VS13, AS432CR25ST, AS432CR25SB, AS432CR25SA, AS432CR25S7, AS432CR25S13, AS432CR25LPT, AS432CR25LPS, AS432CR25LPB, AS432CR25LPA, AS432CR25LP7, AS432CR25LP13, AS432CR25DT, AS432CR25DBVT, AS432CR25DBVB, AS432CR25DBVA, AS432CR25DBV7, AS432CR25DBV13, AS432CR25DB, AS432CR25DA, AS432CR25D7, AS432C2DBV7, AS432C2DBV13, AS432C2DB, AS432C2DA, AS432C2D7, AS432C2D13, AS432C1VST, AS432C1VSB, AS432C1VSA, AS432C1VS7, AS432C1ST, AS432C1SB, AS432C1SA, AS432C1S7, AS432C1S13, AS432C1LPT, AS432C1LPB, AS432C1LPA, AS432C1LP7, AS432C1LP13, AS432C2S13, AS432C2LPT, AS432C2LPB, AS432C2LPA, AS432C2LP7, AS432C2LP13, AS432C2DT, AS432C2DBVT, AS432C2DBVB, AS432C2DBVA, AS432CR25D13, AS432C2VST, AS432C2VSB, AS432C2VSA, AS432C2VS7, AS432C2VS13, AS432C2ST, AS432C2SB, AS432C2SA, AS432C2S7, AS432C1DT, AS432C1DBVT, AS432C1DBVB, AS432C1DBVA, AS432C1DBV7, AS432C1DBV13, AS432C1DB, AS432C1DA, AS432C1D7, AS432C1D13, AS432BR5LPT, AS432BR5LPB, AS432BR5LPA, AS432BR5LP7, AS432BR5LP13, AS432BR5DT, AS432BR5DBVT, AS432BR5DBVB, AS432BR5DBVA, AS432BR5DBV7, AS432BR5DBV13, AS432BR5DB, AS432BR5DA, AS432BR5D7, AS432BR5D13, AS432BR25VST, AS432BR25VSB, AS432BR25VSA, AS432BR25VS7, AS432BR25VS13, AS432BR5VST, AS432BR5VSB, AS432BR5VSA, AS432BR5VS7, AS432BR5VS13, AS432BR5ST, AS432BR5SB, AS432BR5SA, AS432BR5S7, AS432BR5S13, AS432B1VS13, AS432B1ST, AS432B1SB, AS432B1SA, AS432B1S7, AS432B1S13, AS432B1LPT, AS432B1LPB, AS432B1LPA, AS432B1LP7, AS432B2LPT, AS432B2LPB, AS432B2LPA, AS432B2LP7, AS432B2LP13, AS432B2DT, AS432B2DBVT, AS432B2DBVB, AS432B2DBVA, AS432B2DBV7, AS432AR5S13, AS432AR5LPT, AS432AR5LPB, AS432AR5LPA, AS432AR5LP7, AS432AR5LP13, AS432AR5DT, AS432AR5DBVT, AS432AR5DBVB, AS432AR5DBVA, AS432B1LP13, AS432B1DT, AS432B1DBVT, AS432B1DBVB, AS432B1DBVA, AS432B1DBV7, AS432B1DBV13, AS432B1DB, AS432B1DA, AS432B1D7, AS432B2DBV13, AS432B2DB, AS432B2DA, AS432B2D7, AS432B2D13, AS432B1VST, AS432B1VSB, AS432B1VSA, AS432B1VS7, AS432B1VS137, AS432BR25DT, AS432BR25DBVT, AS432BR25DBVB, AS432BR25DBVA, AS432BR25DBV7, AS432BR25DBV13, AS432BR25DB, AS432BR25DA, AS432BR25D7, AS432BR25D13, AS432B2VST, AS432B2VSB, AS432B2VSA, AS432B2VS7, AS432B2VS13, AS432B2ST, AS432B2SB, AS432B2SA, AS432B2S7, AS432B2S13, AS432AR5DBV7, AS432AR5DBV13, AS432AR5DB, AS432AR5DA, AS432AR5D7, AS432AR5D13, AS432AR25VST, AS432AR25VSB, AS432AR25VSA, AS432AR25VS7, AS432B1D13, AS432AR5VST, AS432AR5VSB, AS432AR5VSA, AS432AR5VS7, AS432AR5VS13, AS432AR5ST, AS432AR5SB, AS432AR5SA, AS432AR5S7, AS432BR25ST, AS432BR25SB, AS432BR25SA, AS432BR25S7, AS432BR25S13, AS432BR25LPT, AS432BR25LPB, AS432BR25LPA, AS432BR25LP7, AS432BR25LP13, AS432AR25VS13, AS432AR25ST, AS432AR25SB, AS432AR25SA, AS432AR25S7, AS432AR25S13, AS432AR25LPT, AS432AR25LPB, AS432AR25LPA, AS432AR25LP7, AS432A2S13, AS432A2LPT, AS432A2LPB, AS432A2LPA, AS432A2LP7, AS432A2LP13, AS432A2DT, AS432A2DBVT, AS432A2DBVB, AS432A2DBVA, AS432AR25LP13, AS432AR25DT, AS432AR25DBVT, AS432AR25DBVB, AS432AR25DBVA, AS432AR25DBV7, AS432AR25DBV13, AS432AR25DB, AS432AR25DA, AS432AR25D7, AS432A1D7, AS432A1D13, AS432A2DBV7, AS432A2DBV13, AS432A2DB, AS432A2DA, AS432A2D7, AS432A2D13, AS432A1VSB, AS432A1VSA, AS432A1LP7, AS432A1LP13, AS432A1DT, AS432A1DBVT, AS432A1DBVB, AS432A1DBV7, AS432A1DBV13, AS432A1DB, AS432A1DA, AS432A1VS7, AS432A1VS13, AS432A1ST, AS432A1SB, AS432A1SA, AS432A1S7, AS432A1S13, AS432A1LPT, AS432A1LPB, AS432A1LPA, AS432AR25D13, AS432A2VSB, AS432A2VSA, AS432A2VS7, AS432A2VS13, AS432A2ST, AS432A2SB, AS432A2SA, AS432A2S7, AS432A1VST, AS432A1DBVA, AS432A2VST Datasheet

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AS432

SEMICONDUCTOR 1.24V Precision Adjustable Shunt Reference/Amplifier

Features

¥Temperature-compensated: 50 ppm/¡C

¥0.25% to 2.0% bandgap offered

¥Internal amplifier with 150 mA capability

¥Multiple temperature ranges

¥Low frequency dynamic output impedance: < 150 m½

¥Low output noise

Description

The AS432 is a three terminal adjustable shunt regulator utilizing an accurate 1.24V bandgap reference. The AS432 is functionally similar to an AS431 except for its lower reference voltage, making it usable in a wide variety of low voltage applications.

Because of its robust bipolar technology, the AS432 handles a wide range of current, and holds off more than 18V so its use is not limited to low power, low voltage systems. Significant care has been taken to provide adequate AC bandwidth to allow the AS432 as an amplifier in control systems and power electronics.

Pin Configuration Ñ Top view

TO-92 (LP)

SOIC (D)

CATHODE	1	8	REFERENCE
CATHODE
ANODE	2	7	ANODE
ANODE			ANODE
ANODE	3	6	ANODE
REFERENCE			N/C
N/C	4	5	N/C

SOT-23/5L (DBV)

SOT-89 (S)

SOT-23/3L (VS)

N/C	ANODE
	ANODE
N/C
CATHODE	REFERENCE

Ordering Information

CATHODE

ANODE

REFERENCE

AS432 A 2 D 7

Circuit Type:

1.24V Precision Adjustable

Shunt Regulator/Amplifier

Temperature Range:

A= 0°C to 70°C

B= 0°C to 105°C

C= –40°C to +85°C

Bandgap Tolerance: 2 = ±2% 1 = ±1%

R5 = ±0.5%

R25 = ±0.25%

CATHODE

ANODE

REFERENCE

Packaging Option:

A= Ammo Pack

B= Bulk

T = Tube

7 = Tape and Reel (7" Reel Dia)

13 = Tape and Reel (13" Reel Dia)

Package Style:

D = SOIC

DBV = SOT-23/5L

LP = TO-92

S = SOT-89

VS = SOT-23/3L

ASTEC Semiconductor

AS432

1.24V Precision Adjustable Shunt Reference/Amplifier

Functional Block Diagram

	CATHODE (K)
REFERENCE	+
(R)	Ð
	Ð
	+
	1.24 V
	Ð

ANODE (A)

Absolute Maximum Ratings

Parameter	Symbol	Rating	Units
Cathode-Anode Reverse Breakdown	VKA	18	V
Anode-Cathode Forward Current	IAK	1	A
Operating Cathode Current	IKA	100	mA
Reference Input Current	IREF	1	mA
Continuous Power at 25¡C	PD
TO-92		775	mW
8L SOIC		750	mW
SOT-89		1000	mW
SOT-23/3L/5L		200	mW

Junction Temperature	TJ	150	¡C
Storage Temperature	TSTG	Ð65 to 150	¡C
Lead Temperature (Soldering 10 sec.)	TL	300	¡C

Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

Recommended Conditions

Parameter	Symbol	Rating	Unit
Cathode Voltage	VKA	VREF to 18	V
Cathode Current	IK	10	mA

Typical Thermal Resistances

Package	θJA	θJC	Typical Derating
TO-92	160¡C/W	80¡C/W	6.3 mW/¡C

SOIC	175¡C/W	45¡C/W	5.7 mW/¡C

SOT-89	110¡C/W	8¡C/W	9.1 mW/¡C

SOT-23/3L/5L	575¡C/W	150¡C/W	1.7 mW/¡C

ASTEC Semiconductor

1.24V Precision Adjustable Shunt Reference/Amplifier

AS432

Electrical Characteristics

Electrical characteristics are guaranteed over the full junction temperature range (0Ð105¡C). Ambient temperature must be derated based upon power dissipation and package thermal characteristics. Unless otherwise stated, test conditions are: VKA = VREF and IK = 10 mA.

		Test	AS432 (0.25%)			AS432 (0.5%)
Parameter	Symbol	Condition	Min.	Typ.	Max.	Min.	Typ.	Max.	Unit

Output Voltage	VREF	IK = 10 mA	1.237	1.240	1.243	1.234	1.240	1.246	V
		TJ = 25¡C
		VK = VREF
Line Regulation	ÆVREF	VKA = 1.25 to 15 V		28	50		28	50	mV
Load Regulation	ÆVREF	IK = 1 to 100 mA		3.9	6		3.9	6	mV
Temperature Deviation	ÆVREF	0 < TJ < 105¡C		5	10		5	10	mV
Reference Input Current	IREF			2.3	6		2.3	6	µA
Reference Input Current	ÆIREF	0 < TJ < 105¡C		0.14	0.6		0.14	0.6	µA
Temperature Coefficient

Minimum Cathode	IK(min)			0.2	1		0.2	1	mA
Current for Regulation

Off State Leakage	IK(min)	VREF = 0 V,		0.04	500		0.04	500	nA
		VKA = 15 V

		Test	AS432 (1.0%)			AS432 (2.0%)
Parameter	Symbol	Condition	Min.	Typ.	Max.	Min.	Typ.	Max.	Unit

Output Voltage	VREF	IK = 10 mA	1.228	1.240	1.252	1.215	1.240	1.256	V
		TJ = 25¡C
		VK = VREF
Line Regulation	ÆVREF	VKA = 1.25 to 15 V		28	50		28	50	mV
Load Regulation	ÆVREF	IK = 1 to 100 mA		3.9	6		3.9	6	mV
Temperature Deviation	ÆVREF	0 < TJ < 105¡C		5	12		5	12	mV
Reference Input Current	IREF			2.3	6		2.3	6	µA
Reference Input Current	ÆIREF	0 < TJ < 105¡C		0.14	0.6		0.14	0.6	µA
Temperature Coefficient

Minimum Cathode	IK(min)			0.2	1		0.2	1	mA
Current for Regulation

Off State Leakage	IK(min)	VREF = 0 V,		0.04	500		0.04	500	nA
		VKA = 15 V

*Temperature deviation is defined as the maximum deviation of the reference over the given temperature range and does not imply an incremental deviation at any given temperature.

ASTEC Semiconductor

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