SC2442/H
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: T =T = -40 to 125°C, VIN = 24V, V = 7V, Fc = 550KHz
A
J
CC
Parameter
Soft Start
Symbol
Test Conditions
Min
Typ
Max
Unit
Charging Current
Discharge Current
Error Amplifier
7
10
-2
13
-4
μA
μA
I
, I
SS1 SS2
-1
I , I
SS1 SS2
Voltage Feedback Reference
Input Bias Current
0.735 0.750 0.765
V
nA
V
, V
FB1
FB2
500
70
3
I
EABIAS
(1)
dB
Open Loop Gain
G
DC
(1)
GBW
MHz
Unity Gain Bandwidth
Output Source/Sink Current
2
1
mA
(1)
V/μS
Output Slew Rate
(1)
80
nS
PWM to Output Delay
Oscillator
Frequency Range
Clock Frequency
Fc
Fc
0.1
1.1
MHz
kHz
V
ROSC = 60K
Internal
490
550
3.0
610
(1)
Oscillator Peak Voltage
(1)
Internal
1.5
V
Oscillator Valley Voltage
Sync/Enable Input
Enable Thresheld Voltage
Disable Thresheld Voltage
SYNC/EN pin Voltage rising
SYNC/EN pin Voltage falling
SYNC/EN pin < 0.8V
1.8
2.0
0.8
50
V
V
V
SYEN
1.0
V
SYEN
(1)
nS
V
Disable Low to Shut Down Delay
Sync Input High Level
TTL
TTL
V
SYEN
Sync Input Low Level
V
V
SYEN
Current Limit
OC1, OC2 Current Limit Sense
-80
-105
-125
mV
V
V
V
V
OC1, OC2
Feedback Threshold for Hiccup
0.450 0.525 0.610
, V
FB1
FB2
(1)
80
nS
OC Sense to Drive Turn Off Delay
T
OCDLY
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3
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