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ACT30AYT Datasheet(PDF) 3 Page - Active-Semi, Inc

Part # ACT30AYT
Description  High Performance Off-Line Controller ActiveSwitcherTM IC Family
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT30AYT Datasheet(HTML) 3 Page - Active-Semi, Inc

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ACT30
Rev 5, 05-Jun-09
Active-Semi
Innovative Power
TM
- 3 -
www.active-semi.com
Copyright © 2009 Active-Semi, Inc.
ActiveSwitcher
TM is a trademark of Active-Semi.
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VVDD = 4V, TJ = 25°C, unless otherwise specified.)
: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods may
affect device reliability.
PARAMETER
VALUE
UNIT
VDD, FREQ to GND
-0.3 to 6
V
VDD Current
20
mA
DRV, DRV1, DRV2 to GND
-0.3 to 18
V
Continuous DRV, DRV1, DRV2 Current
Internally limited
A
Maximum Power Dissipation
TO-92
0.6
W
SOT23-B
0.39
Operating Junction Temperature
-40 to 150
˚C
Storage Temperature
-55 to 150
˚C
300
˚C
Lead Temperature (Soldering, 10 sec)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
VVDD Start Voltage
VSTART
Rising edge
4.75
5
5.25
V
DRV1 Start Voltage
VDRVST
ACT30A
8.6
10.5
V
ACT30B
9.6
11.5
DRV1 Short-Circuit Detect Threshold
VSCDRV
6.35
6.8
7.25
V
VVDD Under-Voltage Threshold
VUV
Falling edge
3.17
3.35
3.63
V
VVDD Clamp Voltage
10mA
5.15
5.45
5.95
V
Startup Supply Current
IDDST
VVDD = 4V before VUV
0.23
0.45
mA
Supply Current
IDD
0.7
1
mA
Switching Frequency
fSW
ACT30A/B or FREQ = 0
50
65
80
kHz
Maximum Duty Cycle
DMAX
ACT30A, VVDD = 4V
67
75
83
%
ACT30B, VVDD = 4V
60
Minimum Duty Cycle
DMIN
VVDD = 4.6V
3.5
%
Effective Current Limit
ILIM
VVDD = VUV + 0.1V
ACT30A
340
400
480
mA
ACT30B with
DRV1 = DRV2
680
800
920
VVDD to DRV1 Current Coefficient
GGAIN
-0.29
A/V
VDD Dynamic Impedance
RVDD
9
kΩ
DRV1 or DRV2 Driver On-
Resistance
RDRV1,
RDRV2
IDRV1 = IDRV2 = 0.05A
3.6
DRV1 Rise Time
1nF load, 15Ω pull-up
30
ns
DRV1 Fall Time
1nF load, 15Ω pull-up
20
ns
DRV1 and DRV2 Switch Off Current
Driver off, VDRV1 = VDRV2 = 10V
12
30
µA
DRV1 must be
higher than this
voltage to start up.


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