B431LBM View Datasheet(PDF) - Bay Linear

Part Name

Description

MFG CO.

B431LBM

1.24V Adjustable Shunt Regulator

Bay Linear 

B431L

Electrical Characteristics

Unless specified: T٨ = 25°C. Values in bold apply over full operating ambient temperature.

B431LB 1%

Parameter

Reference Voltage

Symbol

VREF

Condition

VZ = VREF1 IZ = 10mA(1)

Min

1.228

Typ

1.240

Max

1.252

VREF Temp Deviation

Ratio of Change in

VREF To Change in VZ

Reference Input

Current

IREF Temperature

Deviation

Off-State Cathode

Current

VDEV

Δ VREF

ΔVZ

IREF

IREF(DEV)

IZ (OFF)

VZ = VREF1, IZ = 10mA(1)

IA=full range

IZ = 10mA,ΔVZ = 16V to VRef

(2)

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

VREF = 0V, VZ =16V(3)

VREF = 0V, VZ =16V(3)

1.215

10

-1.0

0.15

0.1

0.125

0.135

1.265

25

-2.7

0.5

0.4

0.150

0.150

Min Operating

Current

Dynamic Impedance

IZ(MIN)

ZKA

VZ = VREF(1)

VKA=Vref,

IK=100µA to 100mA, f≤1kHA

20

80

0.05

0.15

Units

V

mV

mV/V

µA

µA

µA

µA

Ω

Electrical Characteristics

Unless specified: T٨ = 25°C. Values in bold apply over full operating ambient temperature.

B431LC 2%

Parameter

Reference Voltage

Symbol

VREF

Condition

VZ = VREF1 IZ = 10mA(1)

Min

1.215

Typ

1.240

Max

1.265

VREF Temp Deviation

Ratio of Change in

VREF To Change in VZ

Reference Input

Current

IREF Temperature

Deviation

Off-State Cathode

Current

VDEV

Δ VREF

ΔVZ

IREF

IREF(DEV)

IZ (OFF)

VZ = VREF1, IZ = 10mA(1)

IA=full range

IZ = 10mA,ΔVZ = 16V to VRef

(2)

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

VREF = 0V, VZ =16V(3)

VREF = 0V, VZ =16V(3)

1.200

10

-1.0

0.15

0.1

0.125

0.135

1.280

35

-2.7

0.5

0.4

0.150

0.150

Min Operating

Current

Dynamic Impedance

IZ(MIN)

ZKA

VZ = VREF(1)

VKA=Vref,

IK=100µA to 100mA, f≤1kHA

20

80

0.05

0.15

Units

V

mV

mV/V

µA

µA

µA

µA

Ω

Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556

www.baylinear.com

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