SC2450_07 Datasheet, PDF (3/21 Pages) Semtech Corporation – BI-Phase/Dual Controller

SC2450
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified V_IN = 24V, T_A = 25°C
Parameter
Conditions
External Clock
Detect Time
Rise Time < 50ns
Unlock Time
Frequency Range
High Side Gate Drive
Max Duty Cycle
Peak Source
Peak Sink
Low Side Gate Drive
C_LOAD = 10nF
C_LOAD = 10nF
Peak Source
Peak Sink
Sync Drive Timing
C_LOAD = 10nF
C_LOAD = 10nF
Min Non-overlap
PWM Match
Logic Input Pins
C_LOAD = 1nF Fet Drive < 1V
50% Duty Cycle, F_OSC = 1MHz
Input Bias Current
Logic Threshold
V_IN = 0 - 5V
FB2 Disable Threshold
Over Current Protection
OCP Threshold
OC+ I/P Bias Current
OC- I/P Bias Current
V_IN = 24V
Over Voltage Protection
OVP Threshold
Thermal Shutdown
Min
Typ
Max Units
2
µs
10
50
µs
0.27
1
MHz
45
%
1
A
1
A
2
A
2
A
20
50
-1
ns
1
%
-10
10
µA
0.8
V
V_CC - 0.7V
V
103
115
127
mV
700
µA
50
µA
120
%
150
°C
Note:
(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.
 2007 Semtech Corp.
3
www.semtech.com