Datasheet

DS3920
Fast Current Mirror
4Maxim Integrated
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
STARTUP DELAY
(V
MIRIN
= 5V, I
MIROUT
= 2.5mA)
DS3920 toc11
200µs/div
CH1
0V
0V
CH1: 2V/div
CH2: 2V/div
CH2
D.U.T
MIRIN
MIRMIROUT
CH2
CH1
5V
R2
5kΩ
R1
1.7kΩ
STARTUP DELAY
(V
MIRIN
= 5V, I
MIROUT
= 1µA)
DS3920 toc10
200µs/div
CH1
0V
0V
CH1: 2V/div
CH2: 2V/div
CH2
D.U.T
MIRIN
MIR MIROUT
CH2
CH1
5V
R2
5kΩ
R1
4.6MΩ
STARTUP DELAY
(V
MIRIN
= 40V, I
MIROUT
= 2.5mA)
DS3920 toc09
200µs/div
CH1
0V
0V
CH1: 20V/div
CH2: 20V/div
CH2
D.U.T
MIRIN
MIR MIROUT
CH2
CH1
40V
R2
5kΩ
R1
15.6kΩ
STARTUP DELAY
(V
BIAS
= 40V, I
MIROUT
= 1µA)
DS3920 toc08
200µs/div
CH1
0V
0V
CH1: 20V/div
CH2: 20V/div
CH2
D.U.T
MIRIN
MIR MIROUT
CH2
CH1
40V
R2
5kΩ
R1
38MΩ
TRANSIENT RESPONSE
(V
MIRIN
= 40V)
DS3920 toc07
500ns/div
A
A: CH1, 1V/div, I
MIROUT
= 375µA TO 7.5mA
A: CH2; 5V/div, I
MIR
= 75µA TO 1.5mA
B
D.U.T
MIRIN
MIR MIROUT
CH2 CH1
40V
5kΩ
100kΩ 5kΩ