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| ALTAIR05T-800 Datasheet, PDF (7/28 Pages) STMicroelectronics – Off-line all-primary-sensing switching regulator | |||
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ALTAIR05T-800
4
Electrical characteristics
Electrical characteristics
(TJ = -25 to 125 °C, Vcc = 14 V; unless otherwise specified)
Table 4.
Symbol
Electrical characteristics
Parameter
Test condition
Min. Typ. Max. Unit
Power section
V(BR)DSS Drain-source breakdown
IDSS Off state drain current
ID< 100 µA; Tj = 25 °C
VDS = 750 V; Tj = 125 °C
(See Figure 4 and note)
RDS(on)
Coss
Drain-source ON-state resistance
Id=100 mA; Tj = 25 °C
Id=100 mA; Tj = 125 °C
Effective (energy-related) output capacitance (See Figure 3)
High-voltage start-up generator
VStart Min. Drain start voltage
Icharge Vcc startup charge current
VCCrestart Vcc restart voltage (Vcc falling)
Icharge < 100 µA
VDRAIN> VStart; VCC<VCCOn
Tj = 25 °C
(1)
After protection tripping
Supply voltage
Vcc Operating range
VccOn
VccOff
VZ
Turn-on threshold
Turn-off threshold
Zener voltage
Supply current
Iccstart-up Start-up current
Iq Quiescent current
Icc Operating supply current @ 50 kHz
Iq(fault) Fault quiescent current
After turn-on
(1)
(1)
Icc = 20 mA
(See Figure 5)
(See Figure 6)
(See Figure 7)
During hiccup and brownout
(See Figure 8)
Start-up timer
TSTART Start timer period
TRESTART Restart timer period during burst mode
Zero current detector
IZCDb Input bias current
VZCDH Upper clamp voltage
VZCD = 0.1 to 3 V
IZCD = 1 mA
800
V
80 µA
11 14
â¦
22 28
40 50 60 V
4 5.5 7 mA
9.5 10.5 11.5
V
5
11.5
23 V
12 13 14 V
9 10 11 V
23 25 27 V
200 300 µA
1 1.4 mA
1.4 1.7 mA
250 350 µA
100 125 175 µs
400 500 700 µs
0.1 1 µA
3.0 3.3 3.6 V
Doc ID 17957 Rev 1
7/28
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