Jul ?$shortyear>
CONFIDENTIAL
2. TYPICAL ELECTRICAL PERFORMANCE
3.5
3
2.5
C
L
= 1 nF
f
SW(max)
= 70 kHz
T
A
= 25 °C
13
CS1500
12
I
DD
(mA)
11
2
1.5
1
0.5
Falling
0
0
2
4
6
8
10
12
14
16
18
20
Rising
V
DD
(V)
10
9
Startup
8
UVLO
7
-50
0
50
100
150
V
DD
(V)
TEMP (o C)
Figure 1. Supply Current vs. Supply Voltage
Figure 2. Start-up & UVLO vs. Temp
2
19
I
DD
= 20 mA
UVLO Hysteresis (V)
1.5
18.5
V
Z
(V)
-50
0
50
100
150
1
18
0.5
17.5
0
17
TEMP ( o C)
-50
0
50
100
150
TEMP ( oC)
Figure 3. UVLO Hysteresis vs. Temp
Figure 4. VDD Zener Voltage vs. Temp
DS849A7
5