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RC5055
PRODUCT SPECIFICATION
4
Gate Driver
Upper Gate Source Current
Lower Gate Source Current
Protection
Over-Voltage Trip (V
SEN
/DACOUT)
OCSET Current Source
OVP Sourcing Current
Soft Start Current
Power Good
Upper Threshold (V
SEN
/DACOUT)
Lower Threshold (V
SEN
/DACOUT)
Hysteresis (V
SEN
/DACOUT)
PGOOD Voltage Low
Adjustable Linear Regulator
Output Voltage
Output Voltage Precision
I
UGATE
I
LGATE
V
BOOT
- V
PHASE
= 12V
V
CC
= 12V, V
LGATE
= 6V
1
1
–
–
A
A
–
115
200
–
10
120
230
–
–
%
μ
A
mA
μ
A
I
OCSET
I
OVP
I
SS
V
OCSET
= 4.5V
DC
V
SEN
= 5.5V; V
OVP
= 0V
170
60
–
V
SEN
Rising
V
SEN
Falling
Upper and Lower Threshold
I
PGOOD
= -5mA
106
89
–
–
–
–
2
111
94
–
–
%
%
%
V
V
PGOOD
0.5
Set by external resistors
I
LOAD
= 50 mAto 5.4A
V
CC = 12V ± 10%
T
A
= 0 to 70°C
Power good trigger point
1.3
-2
V
%
+2
Under Voltage Level
Controller Output Current
Output Transient Tolerance
60
%
mA
mV
GATE 1
20
-135
50mA to 4.4 Amp
Set by ESR of output caps
135
Bias Current
Feedback Voltage
FB 1
FB 1
1
μ
A
V
1.265
Fixed Linear Regulator
Output Voltage
V
OUT
I
LOAD
≤
100mA
V
CC
= 12V ± 10% V
IN
= 5V
Power good trigger point
V
CC
= 12V ± 10%
V
IN
= 5V
V
CC
= 12V ± 10%
V
IN
= 5V
V
OUT
= 0
V
CC
= 12V ± 10%
2.375
2.5
2.625
V
Under Voltage Level
Output Current
60
%
mA
I
OUT
100
Over Current Trip Point
150
mA
I
SC
Foldback
Input Voltage
25
5
mA
V
V
IN
4.75
5.25
Electrical Specifications
(continued)
(V
CC
=12V, F
OSC
=200KHz and T
A
=25°C using circuit in figure 1, unless otherwise noted)
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Units