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