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参数资料
| 型号： | LM4040DIM3-2.5 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC VREF SHUNT PREC 2.5V SOT-23-3 |
| 标准包装： | 3,000 |
| 基准类型： | 旁路，精度 |
| 输出电压： | 2.5V |
| 容差： | ±1% |
| 温度系数： | 150ppm/°C |
| 通道数： | 1 |
| 电流 - 阴极： | 70µA |
| 电流 - 输出： | 15mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 带卷 (TR) |
LM4040/4041
Micrel, Inc.
LM4041-Adjustable Electrical Characteristics (Note 4)
Boldface limits apply for T A = T J = T MIN to T MAX ; all other limits T J = 25°C unless otherwise speci?ed (SOT-23, see Note 8),
I RMIN ≤ I R < 12mA, V REF ≤ V OUT ≤ 10V. The grades C and D designate initial Reverse Breakdown Voltage tolerance of ±0.5% and ±1%,
respectively for V OUT = 5V.
Symbol
V REF
I RMIN
ΔV REF
/ΔI R
ΔV REF
/ΔV O
I FB
ΔV REF
/ΔT
Z OUT
e N
ΔV REF
Parameter
Reference Breakdown Voltage
Reference Breakdown Voltage
Tolerance (Note 9)
Minimum Operating Current
Reference Voltage
Change with Operating
Current Change
Reference Voltage Change
with Output Voltage Change
Feedback Current
Average Reference
Voltage Temperature
Coef?cient
(Note 9)
Dynamic Output Impedance
Wideband Noise
Reference Voltage
Long Term Stability
Conditions
(Note 5)
I R = 100μA
V OUT = 5V
I R = 100μA
I RMIN ≤ I R 1mA
SOT-23:
V OUT ≥ 1.6V
(Note 8)
1mA ≤ I R 15mA
SOT-23:
V OUT ≥ 1.6V
(Note 8)
I R = 1mA
V OUT = 5V
I R = 10mA
I R = 1mA
I R = 100μA
I R = 1mA, f = 120Hz
I AC = 0.1 I R
V OUT = V REF
V OUT = 10V
I R = 100μA
10Hz ≤ f ≤ 10kHz
t = 1000hrs
T = 25°C ±0.1°C
I R = 100μA
Typical
Limits
1.233
45
0.7
2
–1.55
60
±20
±15
±15
0.3
2
20
120
LM4041CIM3
Limits
(Note 6)
±6.2
±14
60
65
1.5
2.0
4
6
–2.0
–2.5
100
120
±100
LM4041DIM3
(Limit)
(Note 6)
±12
±24
65
70
2.0
2.5
6
8
–2.5
–3.0
150
200
±150
Units
V
mV (max)
mV (max)
μA
μA (max)
μA (max)
mV
mV (max)
mV (max)
mV
mV (max)
mV (max)
mV/V
mV/V (max)
mV/V (max)
nA
nA (max)
nA (max)
ppm/°C
ppm/°C (max)
ppm/°C (max)
Ω
Ω (max)
μV RMS
ppm
Note 4.
Note 5.
Note 6.
Note 7.
Note 8.
Note 9.
Speci?cation for packaged product only.
Typicals are at T J = 25°C and represent most likely parametric norm.
Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation using Statistical Quality Control (SQL)
methods.
The boldface (over temperature limit for Reverse Breakdown Voltage Tolerance is de?ned as the room temperature Reverse Breakdown Volt-
age Tolerance ±[(ΔV R /ΔT)(65°C)(V R )]. ΔV R /ΔT is the V R temperature coef?cient, 65°C is the temperature range from –40°C to the reference
point of 25°C, and V R 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.
When V OUT ≤ 1.6V, the LM4041-ADJ must operate at reduced I R . 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.
Reference voltage and temperature coef?cient will change with output voltage. See “Typical Performance Characteristics” curves.
M9999-031805
10
March 2005
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