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LM4040CIM3-2.5 Fiches technique(PDF) 10 Page - Micrel Semiconductor

No de pièce LM4040CIM3-2.5
Description  Precision Micropower Shunt Voltage Reference
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Fabricant  MICREL [Micrel Semiconductor]
Site Internet  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

LM4040CIM3-2.5 Fiches technique(HTML) 10 Page - Micrel Semiconductor

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LM4040/4041
Micrel, Inc.
M9999-031805
10
March 2005
LM4041-Adjustable Electrical Characteristics (Note 4)
Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TJ = 25°C unless otherwise specified (SOT-23, see Note 8),
IRMIN ≤ IR < 12mA, VREF ≤ VOUT ≤ 10V. The grades C and D designate initial Reverse Breakdown Voltage tolerance of ±0.5% and ±1%,
respectively for VOUT = 5V.
LM4041CIM3
LM4041DIM3
Symbol
Parameter
Conditions
Typical
Units
(Note 5)
Limits
Limits
(Limit)
(Note 6)
(Note 6)
VREF
Reference Breakdown Voltage
IR = 100µA
1.233
V
VOUT = 5V
Reference Breakdown Voltage
IR = 100µA
±6.2
±12
mV (max)
Tolerance
(Note 9)
±14
±24
mV (max)
IRMIN
Minimum Operating Current
45
µA
60
65
µA (max)
65
70
µA (max)
ΔVREF
Reference Voltage
IRMIN ≤ IR 1mA
0.7
mV
/ΔIR
Change with Operating
SOT-23:
1.5
2.0
mV (max)
Current Change
VOUT ≥ 1.6V
2.0
2.5
mV (max)
(Note 8)
1mA ≤ IR 15mA
2
mV
SOT-23:
4
6
mV (max)
VOUT ≥ 1.6V
6
8
mV (max)
(Note 8)
ΔVREF
Reference Voltage Change
IR = 1mA
–1.55
mV/V
/ΔVO
with Output Voltage Change
–2.0
–2.5
mV/V (max)
–2.5
–3.0
mV/V (max)
IFB
Feedback Current
60
nA
100
150
nA (max)
120
200
nA (max)
ΔVREF
Average Reference
VOUT = 5V
/ΔT
Voltage Temperature
IR = 10mA
±20
ppm/°C
Coefficient
IR = 1mA
±15
±100
±150
ppm/°C (max)
(Note 9)
IR = 100µA
±15
ppm/°C (max)
ZOUT
Dynamic Output Impedance
IR = 1mA, f = 120Hz
IAC = 0.1 IR
VOUT = VREF
0.3
Ω
VOUT = 10V
2
Ω (max)
eN
Wideband Noise
IR = 100µA
10Hz ≤ f ≤ 10kHz
20
µVRMS
ΔVREF
Reference Voltage
t = 1000hrs
Long Term Stability
T = 25°C ±0.1°C
120
ppm
IR = 100µA
Note 4. Specification for packaged product only.
Note 5. Typicals are at TJ = 25°C and represent most likely parametric norm.
Note 6. Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation using Statistical Quality Control (SQL)
methods.
Note 7. The boldface (over temperature limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse Breakdown Volt-
age Tolerance ±[(ΔVR/ΔT)(65°C)(VR)]. ΔVR/ΔT is the VR temperature coefficient, 65°C is the temperature range from –40°C to the reference
point of 25°C, and VR is the reverse breakdown voltage. The total over temperature tolerance for the different grades follows:
C-grade: ±1.15% = ±0.5% ±100ppm/°C × 65°C
D-grade: ±1.98% = ±1.0% ±150ppm/°C × 65°C
Example: The C-grade LM4040-2.5 has an over temperature Reverse Breakdown Voltage tolerance of ±2.5 × 1.15% = ±29mV.
Note 8. When VOUT ≤ 1.6V, the LM4041-ADJ must operate at reduced IR. This is caused by the series resistance of the die attach between the die (–)
output and the package (–) output pin. See the Output Saturation curve in the “Typical Performance Characteristics” section.
Note 9. Reference voltage and temperature coefficient will change with output voltage. See “Typical Performance Characteristics” curves.


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