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LM4040BIM3-4.1 View Datasheet(PDF) - Micrel

Part Name
Description
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LM4040BIM3-4.1 Datasheet PDF : 16 Pages
First Prev 11 12 13 14 15 16
LM4040/4041
LM4041 Typical Characteristics
Reference Voltage vs. Output
Voltage and Temperature
1.244
25°C
1.240
85°C
LM4041-ADJ
1.236 -40°C
1.232
1.228
1.224
-40°C
85°C
1.220
0
2 4 6 8 10
OUTPUT VOLTAGE (V)
Output Saturation
1.7
LM4041-ADJ
1.6 VADJ = VREF + 5µV
1.5
1.4
-40°C
85°C
1.3
1.2
25°C
1.1
1.0
024
6 8 10 12
OUTPUT CURRENT (mA)
Reverse Characteristics
FB STEPS (V)
0 2468
100
80
60
40
20
TJ = 25°C
LM4041-ADJ
00
2
4
6
8 10
OUTPUT VOLTAGE (V)
Reference Voltage vs.
Temperature and Output Voltage
1.244 LM4041-ADJ
1.240 IR = 1mA
VOUT = VREF
1.236
1.232
1.228
VOUT = 5V
1.224 VOUT = 10V
1.220
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
Output Impedence
vs. Frequency *
1K
LM4041-ADJ
TJ = 25 °C
100
IR = 1mA
IR = 0.1IR
10
VOUT = 10V
5V
1
2.5V
1.23V
0
100 1k
CL = 0
CL=1µF
XC
10k 100k 1M
FREQUENCY (Hz)
IR
LM4041-ADJ
(+)
FB
VOUT
( ) 2V / step
V
Reverse Characteristics
Test Circuit
Large Signal Response
-40°C
LM4041-ADJ
TJ = -40°C
10
OUTPUT
25°C
85°C
8
INPUT
-40°C
6
4
2
0
0 10 20 30 40
RESPONSE TIME (µs)
+ 15V
5.1k
INPUT FB
100k
(+)
LM4041 - ADJ
(-)
VOUT
Large Signal Response
Test Circuit
January 2000
11
Micrel
Feedback Current vs.
Output Voltage and Temperature
100 LM4041-ADJ
80
TJ = 85°C
60
40
TJ = 25°C, -40°C
20
0
024
6 8 10
OUTPUT VOLTAGE (V)
Output Impedence
vs. Frequency *
1K
100
LM4041-ADJ
TJ = 25 °C
IR = 1mA
IR = 0.1 IR
CL = 0
VOUT = 10V
10
5V
2.5V
1.23V
1
CL=1µF
0
100 1k
XC
10k 100k 1M
FREQUENCY (Hz)
IR
+
CL
120k
FB
* Output Impedance vs. Freq.
Test Circuit
LM4040/4041
 

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