®
ACT2113
Rev 3, 23-May-12
ELECTRICAL CHARACTERISTICS
(V
IN
= 12V, T
A
= 25°C, unless otherwise specified.)
PARAMETER
Shutdown Supply Current
Supply Current
Feedback Voltage
Error Amplifier Voltage Gain
Error Amplifier Transconductance
High-Side Switch On Resistance
Low-Side Switch On Resistance
Upper Switch Current Limit
COMP to Current Sense Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
EN Lockout Threshold Voltage
EN Lockout Hysteresis
Input Under Voltage Lockout
Threshold
Internal Soft Startup Time
Hiccup Frequency at short circuit
Under Voltage Threshold
Thermal Shutdown
Thermal Shutdown Hysteresis Window
SYMBOL
CONDITION
V
EN
= 0V
V
EN
= 3V, V
FB
= 1.2V
MIN
TYP
10
0.75
MAX UNIT
20
1.1
0.937
µA
mA
V
V/V
µA/V
mΩ
mΩ
A
A/V
570
kHz
kHz
%
2.8
V
mV
4.4
V
ms
Hz
V
°C
°C
V
FB
A
EA
G
EA
R
DS(ON)1
R
DS(ON)2
4.75V
≤
V
IN
≤
18V
0.909
0.923
400
ΔI
C
=
±10μA
800
85
85
50% Duty Cycle
G
CS
F
sw
460
4.5
4.5
510
160
D
MAX
2.4
88
2.6
75
Input Voltage Rising
4
4.2
2
26
0.74
160
30
Innovative Power
TM
-4-
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ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
