Rainbow Electronics MAX1804 - Manual (Page 4)

ELECTRICAL CHARACTERISTICS (continued)
(T A = -40 °C to +85°C, V
V + = 3.3V, V ADJ = 1.2V, V OUT = 2V, C V + = 0.1µF, C COMP = 470pF.) (Note 1)
MAX1804
External Four-Input Feedback Integrator for
Power Supplies
4 _______________________________________________________________________________________
PARAMETER CONDITIONS MIN TYP MAX U N IT S
SHDN INPUT
Logic Input Voltage High V V+ = 2.7V to 5.5V 2.0 V
Logic Input Voltage Low V V+ = 2.7V to 5.5V 0.6 V
Logic Input Current -1 1 µA
24.0
25.5
25.0
24.5
26.0
26.5
27.0
27.5
28.0
28.5
29.0
-40 0 -20 20 40 60 80
QUIESCENT CURRENT vs.
TEMPERATURE
MAX1804 toc01
TEMPERATURE ( °C)
QUIESCENT CURRENT (
µ
A)
V V+ = 5V
V V+ = 3.3V
0
0.015
0.010
0.005
0.020
0.025
0.030
0.035
0.040
0.045
0.050
-40
NOTE: Circuit of Figure 1.
0 -20 20 40 60 80
IN_REGULATION SET-POINT ERROR
vs. TEMPERATURE
MAX1804 toc02
TEMPERATURE (°C)
IN_REGULATION SET-POINT ERROR (%)
V ADJ = 0.7V
V ADJ = 1.2V
V ADJ = 1.4V
20
24
22
26
30
28
32
34
-40 0 -20 20 40 60 80
IN_ (TO COMP) TRANSCONDUCTANCE
vs. TEMPERATURE
MAX1804 toc03
TEMPERATURE ( °C)
IN_TRANSCONDUCTANCE (
µ
S)
∆V
IN_ = 4.85V TO 4.75V
V COMP = 1.3V
0
10
5
20
15
25
30
0 1.5 2.0 0.5 1.0 2.5 3.0 3.5
OUT CURRENT vs. COMP VOLTAGE
MAX1804toc04
COMP VOLTAGE (V)
OUT CURRENT (
µ
A)
3.75
3.85
3.80
3.95
3.90
4.00
4.05
0.4
NOTE: Circuit of Figure 1.
1.0 1.2 0.6 0.8 1.4
IN_SCALE FACTOR vs. ADJ VOLTAGE
MAX1804toc05
ADJ VOLTAGE (V)
IN_SCALE FACTOR
-300
-200
-250
-100
-150
-50
0
0.001
NOTE: Application Circuit of Figure 2.
1 10 0.01 0.1
CHANGE IN OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX1804toc06
OUTPUT CURRENT (A)
CHANGE IN OUTPUT VOLTAGE (mV)
MAX1804 OFF
MAX1804 ON
V OUT = 5V (NOMINAL)
C COMP = 470pF
Typical Operating Characteristics
(V V + = V SHDN = 3.3V, V ADJ = 1.2V, V OUT = 2V, C COMP = 470pF, T A = +25 °C, unless otherwise noted.)
Note 1: Specifications to -40 °C are guaranteed by design and not production tested.