VIPER50/SP STMICROELECTRONICS [STMicroelectronics], VIPER50/SP Datasheet - Page 6

• Manufacturer Part Number: VIPER50/SP
• Description: SMPS PRIMARY I.C.
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 1: V
Figure 5: Breakdown Voltage Vs. Temperature
Figure 3: Transition Time
I
I
I
COMPLO
COMPHI
(Normalized)
V
COMP
DS
BV
I
D
DSS
0
1.15
1.05
0.95
DD
1.1
1
0
Regulation Point
90% V
tf
20
10% V
D
Temperature (°C)
10% Ipeak
40
D
60
V
DDreg
Gm in mA/V
tr
80
Slope =
100 120
FC00160
FC00150
t
t
FC00180
V
DD
Figure 2: Undervoltage Lockout
Figure 4: Shut Down Action
Figure 6: Typical Frequency Variation
I
I
I
DDch
DD0
D D
(%)
VCOMPth
VCOMP
-1
-2
-3
-4
-5
1
0
VOSC
0
ID
20
VIPer50/SP - VIPer50A/ASP
V
V
40
Temperature (°C)
DDhyst
ENABLE
DDoff
60
tDISsu
80
DISABLE
V
V
100 120 140
FC00170
DDon
DS
Fsw = 0
= 35 V
ENABLE
FC00060
FC00190
V
t
t
t
DD
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