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Active-Semi
Active-Semi

ACT30 Datasheet

HIGH PERFORMANCE OFF-LINE CONTROLLER


ACT30 Datasheet Preview


Datasheet
Rev 2, 5/2005
ACT30
ACT30
HIGH PERFORMANCE OFF-LINE CONTROLLER
ActiveSwitcherTM IC Family
FEATURES
Lowest Total Cost Solution
0.15W Standby Power
Emitter Drive Allows Safe NPN Flyback Use
Hiccup Mode Short Circuit
Current Mode Operation
www.DataSheeOtv4Ue.rc-Comurrent Protection
Under-voltage Protection with Auto-restart
Proprietary Scalable Output Driver
Flexible Packaging Options (including TO-92)
65kHz or 100kHz Switching Frequency
Selectable 0.4A to 1.2A Current Limit
APPLICATIONS
Battery Chargers
Power Adaptors
Standby Power Supplies
Appliances
Universal Off-line Power Supplies
GENERAL DESCRIPTION
The ACT30 is a high performance
green-energy offline power supply controller. It
features a scalable driver for driving external
NPN or MOSFET transistors for line voltage
switching. This proprietary architecture enables
many advanced features to be integrated into a
small package (TO-92 or SOT23-5), resulting in
lowest total cost solution.
The ACT30 design has 6 internal terminals
and is a pulse frequency and width modulation IC
with many flexible packaging options. One
combination of internal terminals is packaged in
the space-saving TO-92 package (A/B/C/D
versions) for 65kHz or 100kHz switching
frequency and with 400mA or 800mA current limit.
The E version (SOT23-5) can be configured for
higher current limit.
Consuming only 0.15W in standby, the IC
features over-current, hiccup mode short circuit,
and under-voltage protection mechanisms.
The ACT30 is ideal for use in high
performance universal adaptors and chargers.
For highest performance versus cost and
smallest PCB area, use the ACT30 in
combination with the ACT32 CV/CC Controller.
Figure 1. Simplified Application Circuit
Active-Semi, Inc.
-1-
Confidential to Micro Bridge
Page 1

ACT30
ORDERING INFORMATION
PART NUMBER
ACT30AHT-A
ACT30BHT-A
ACT30CHT-A
ACT30DHT-A
ACT30EUC-T
SWITCHING FREQUENCY
65kHz
65kHz
100kHz
100kHz
SELECTABLE
CURRENT LIMIT
400mA
800mA
400mA
800mA
ADJUSTABLE
TEMPERATURE RANGE
-40°C to 85°C
-40°C to 85°C
-40°C to 85°C
-40°C to 85°C
-40°C to 85°C
PACKAGE
TO-92
TO-92
TO-92
TO-92
SOT23-5
PINS
3
3
3
3
5
PIN CONFIGURATION
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ACT30A
ACT30B
ACT30C
ACT30D
123
TO-92
VDD 1
5 DRV1
GND 2 ACT30E
FREQ 3
4 DRV2
SOT23-5
PIN DESCRIPTION
PIN NUMBER
TO-92 SOT23-5
PIN NAME
11
VDD
22
GND
3 DRV
5 DRV1
4 DRV2
3 FREQ
PIN DESCRIPTION
Power Supply Pin. Connect to optocoupler's emitter. Internally limited to
5.5V max. Bypass to GND with a proper compensation network.
Ground
Driver Output (TO-92 Only). Connect to emitter of the high voltage NPN or
MOSFET. For ACT30A/C, DRV pin is internally connected to DRV1. For
ACT30B/D, DRV pin is internally connected to both DRV1 and DRV2.
Driver Output 1 (SOT23-5 Only). Also used as supply input during startup.
Driver Output 2 (SOT23-5 Only)
Frequency Select (SOT23-5 Only). This terminal has an internal 200kpull
down resistor. Connect to VDD for 100kHz operation. Connect to GND or
leave unconnected for 65khz operation.
Active-Semi, Inc.
- 2 - Confidential to Micro Bridge
Page 2

ACT30
ABSOLUTE MAXIMUM RATINGS
(Note: 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
VDD, FREQ Pin Voltage
VDD Current
DRV, DRV1, DRV2 Voltage
Continuous DRV, DRV1, DRV2 Current
Maximum Power Dissipation
Operating Junction Temperature
www.DataSShteoerat4gUe .Tceommperature
Lead Temperature (Soldering, 10 sec)
TO-92
SOT23-5
VALUE
-0.3 to 6
20
-0.3 to 18
Internally limited
0.6
0.39
-40 to 150
-55 to 150
300
UNIT
V
mA
V
A
W
°C
°C
°C
ELECTRICAL CHARACTERISTICS
(VDD = 4V, TJ = 25°C unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
VDD Start Voltage
DRV1 Start Voltage
VSTART Rising edge
4.75 5 5.25 V
DRV1 must be higher ACT30A/C
VDRVST than this voltage to
start up.
ACT30B/D
8.6 10.5
V
9.6 11.5
DRV1 Short-Circuit Detect Threshold
VDD Under-voltage Threshold
VDD Clamp Voltage
Startup Supply Current
Supply Current
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Effective Current Limit
VSCDRV
VUV
IDDST
IDD
fSW
DMAX
DMIN
ILIM
Falling edge
10mA
VDD = 4V before VUV
ACT30A/B or FREQ = 0
ACT30C/D or FREQ = VDD
ACT30A/C, VDD = 4V
ACT30B/D, VDD = 4V
VDD = 4.6V
VDD = VUV +
0.1V
ACT30A/C
ACT30B/D; ACT30E
with DRV1 = DRV2
6.8 V
3.17 3.35 3.53 V
5.15 5.45 5.75 V
0.23 0.45 mA
0.7 1 mA
55 65 85 kHz
75 100 125
67 75 83 %
60
3.5 %
400
mA
800
VDD to DRV1 Current Coefficient
VDD Dynamic Impedance
DRV1 or DRV2 Driver On-Resistance
DRV1 Rise Time
DRV1 Fall Time
GGAIN
RVDD
RDRV1, 2
IDRV1 = IDRV2 = 0.05A
1nF load, 15pull-up
1nF load, 15pull-up
-0.29 A/V
9 k
3.6
30 ns
20 ns
DRV1 and DRV2 Switch Off Current
Driver off, VDRV1 = VDRV2 = 10V
12 30 µA
Active-Semi, Inc.
- 3 - Confidential to Micro Bridge
Page 3
Part Number ACT30
Manufactur Active-Semi
Description HIGH PERFORMANCE OFF-LINE CONTROLLER
Total Page 9 Pages
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ACT30 datasheet
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ACT30 datasheet
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