ACT361
Rev 8, 14-Nov-12
ABSOLUTE MAXIMUM RATINGSc
PARAMETER
VDD, BD, SW to G
VALUE
-0.3 to +28
100
UNIT
V
Maximum Continuous VDD Current
FB, CS to G
mA
V
-0.3 to +6
Continuous SW Current
Internally limited
0.45
A
W
Maximum Power Dissipation (derate 4.5mW/˚C above TA = 50˚C)
Junction to Ambient Thermal Resistance (θJA)
Operating Junction Temperature
Storage Junction
220
˚C/W
˚C
-40 to 150
-55 to 150
300
˚C
Lead Temperature (Soldering, 10 sec)
˚C
c: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS
(VDD = 14V, VOUT = 5V, LP = 2.3mH, NP = 140, NS = 10, NA = 27, TA = 25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Supply
VDD Turn-On Voltage
VDD Turn-Off Voltage
Supply Current
VDDON
VDDOFF
IDD
VDD Rising from 0V
17.6
5.25
18.6
5.5
1
19.6
5.75
2
V
V
VDD Falling after Turn-on
VDD = 14V, after Turn-on
VDD = 14V, before Turn-on
mA
µA
µA
ms
Start Up Supply Current
BD Current during Startup
Internal Soft Startup Time
Oscillator
IDDST
IBDST
25
45
1
10
100% VOUTCV @ full load
25% VOUTCV @ full load
42
21
Switching Frequency
fSW
kHz
Maximum Switching Frequency
Maximum Duty Cycle
Feedback
FCLAMP
DMAX
45
70
55
80
kHz
%
75
Effective FB Voltage
FB Leakage Current
VFB
2.176 2.200 2.224
V
IFBLK
100
nA
No RCORD between VDD and SW
RCORD = 300k
0
3
Output Cable Resistance
Compensation
DVCOMP
RCORD = 150k
RCORD = 75k
RCORD = 33k
6
%
9
12
Innovative PowerTM
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