mic4043bm4 Micrel Semiconductor, mic4043bm4 Datasheet - Page 3

• Manufacturer Part Number: mic4043bm4
• Description: Mic4043 Low-voltage Secondary-side Shunt Regulator
• Manufacturer: Micrel Semiconductor

Electrical Characteristics
T
Parameter
Reference Voltage, Note 4
Reference Voltage Tolerance
Supply Current
Transconductance
Output Transistor
Saturation Voltage
Output Leakage
Note 1.
Note 2.
Note 3.
Note 4.
Test Circuits
November 2000
MIC4043
A
I
SINK
= 25 C, bold values indicate –40 C
/ V
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Machine model, 200pF.
Reference voltage is not referenced to ground. The reference is between pins IN and FB.
IN
Do Not Ground!
V
1
2
3
O
8 .
5 .
3 .
U
Condition
I
1mA < I
I
V
V
V
V
SNK
SNK
T
SNK
Floating
RETURN
Supply
Test Circuit 1. Compensation (Bode Plot) Circuit
Bench
= 0mA
= 15mA
T
= 5V, output transistor off
OUT
Test Circuit 2. Transient Response Circuit
A
7
3
2
SNK
R
2
3
0
1
k
k
k
+85 C; unless noted
RETURN
Supply
< 15mA
1k
OUT
3
3
3
R
3
3
3
R
2
k
k
k
1k
R3
A
R3
* Compensation element
15
2
4
R
0
0
0
3
MIC4043
IN
GND FB
k
k
k
MIC4043
IN
GND FB
3
* Compensation components
C1*
SNK
C1
SNK
0.001 F
0.001 F
0.001 F
C
1
50
R2
33k
R2
33k
R1
R1
R
A
Analyzer
R
A
R
A
OUTPUT
Min
3.5
2
1.245
Typ
150
160
35
Max
250
400
0.5
65
70
1
1
2
MIC4043
Micrel
Units
mV
mV
%
%
V
S
S
A
A
A
A