
LM4050/LM4051
50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
_______________________________________________________________________________________
9
V
GEN
V
R
AC-COUPLED
+25
A
-25
A
10mV/div
LM4050-5.0V
LOAD-TRANSIENT RESPONSE
LM4050 toc07
40
s/div
ISHUNT = 100
A ± 25A
RL = 100k
, SEE FIGURE 1.
V
GEN
V
R
AC-COUPLED
+250
A
-250
A
10mV/div
LM4050-2.5V
LOAD-TRANSIENT RESPONSE
LM4050 toc08
10
s/div
ISHUNT = 1mA
± 250A
RL = 10k
, SEE FIGURE 1.
Typical Operating Characteristics (continued)
(IR = 100A, SC70-3 package, TA = +25°C, unless otherwise noted.)
V
GEN
V
R
AC-COUPLED
+25
A
-25
A
2mV/div
LM4050-2.5V
LOAD-TRANSIENT RESPONSE
LM4050 toc06
10
s/div
CH1: VGEN 2V/div
CH2: VR AC-COUPLED 2mV/div
ISHUNT = 100
A ± 25A, RL = 100k, SEE FIGURE 1.
V
GEN
V
R
AC-COUPLED
+2.5mA
-2.5mA
20mV/div
LM4050-2.5V
LOAD-TRANSIENT RESPONSE
LM4050 toc10
10
s/div
ISHUNT = 10mA
± 2.5mA
RL = 1k
, SEE FIGURE 1.
V
GEN
V
R
AC-COUPLED
+2.5mA
-2.5mA
20mV/div
LM4050-5.0V
LOAD-TRANSIENT RESPONSE
LM4050 toc11
10
s/div
ISHUNT = 10mA
± 2.5mA
RL = 1k
, SEE FIGURE 1.
V
GEN
V
R
AC-COUPLED
+250
A
-250
A
10mV/div
LM4050-5.0V
LOAD-TRANSIENT RESPONSE
LM4050 toc09
10
s/div
ISHUNT = 1mA
± 250A
RL = 10k
, SEE FIGURE 1.
1k
VB
+
-
ISHUNT
VR
RL
VGEN
Figure 1. Load-Transient Test Circuit