LTC3723-2 Linear Technology, LTC3723-2 Datasheet - Page 3

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LTC3723-2

Manufacturer Part Number
LTC3723-2
Description
Synchronous Push-Pull PWM Controllers
Manufacturer
Linear Technology
Datasheet
temperature range, otherwise specifications are at T
SYMBOL
I
DCMAX
DCMIN
DTADJ
Oscillator
OSCI
OSCT
OSCV
Error Amplifier
V
FB
AVOL
I
V
V
I
I
Reference
V
REFLD
REFLN
REFTV
REFSC
Push-Pull Outputs
DRVH(x)
DRVL(x)
RDH(x)
RDL(x)
TDR(x)
TDF(x)
Synchronous Outputs
OUTH(x)
OUTL(x)
RHI(x)
RLO(x)
TR(x)
TF(x)
Current Limit and Shutdown
CLPP
CLSD
CLDEL
ELECTRICAL CHARACTERISTICS
SLP
IB
SOURCE
SINK
FB
OH
OL
REF
I
PARAMETER
Slope Compensation Current
Maximum Duty Cycle
Minimum Duty Cycle
Dead-Time
Initial Accuracy
V
C
FB Input Voltage
FB Input Range
Open-Loop Gain
Input Bias Current
Output High
Output Low
Output Source Current
Output Sink Current
Initial Accuracy
Load Regulation
Line Regulation
Total Variation
Short-Circuit Current
Output High Voltage
Output Low Voltage
Pull-Up Resistance
Pull-Down Resistance
Rise-Time
Fall-Time
Output High Voltage
Output Low Voltage
Pull-Up Resistance
Pull-Down Resistance
Rise-Time
Fall-Time
Pulse by Pulse Current Limit Threshold
Shutdown Current Limit Threshold
Current Limit Delay to Output
CC
T
Ramp Amplitude
Variation
A
CONDITIONS
Measured on CS, C
COMP = 4.5V
COMP = 0V
T
V
Measured on C
COMP = 2.5V, (Note 3)
Measured on FB, (Note 4)
COMP = 1V to 3V, (Note 3)
COMP = 2.5V, (Note 3)
Load on COMP = –100µA
Load on COMP = 100µA
COMP = 2.5V
COMP = 2.5V
T
Load on V
V
Line, Load and Temperature
V
I
I
I
I
C
C
I
I
I
I
C
C
Measured on CS
Measured on CS
100mV Overdrive on CS, (Note 2)
OUT(x)
OUT(x)
OUT(x)
OUT(x)
OUT(x)
OUT(x)
OUT(x)
OUT(x)
A
A
CC
CC
REF
OUT(x)
OUT(x)
OUT(x)
OUT(x)
= 25°C. V
= 25°C, C
= 25°C, Measured on V
= 6.5V to 9.5V, Overtemperature
= 6.5V to 9.5V
Shorted to GND
The
= –100mA
= 100mA
= –10mA to –100mA
= –10mA to –100mA
= –30mA
= 30mA
= –10mA to -30mA
= –10mA to -30mA
= 1nF
= 1nF
= 50pF
= 50pF
REF
CC
T
= 100µA to 5mA
= 270pF
denotes the specifications which apply over the full operating
T
= 9.5V unless otherwise noted.
C
T
T
= 1V, 3723-1 Only
= 2.25V
REF
LTC3723-1/LTC3723-2
1.172
4.925
4.900
– 0.3
MIN
220
400
280
475
4.7
9.0
9.0
47
–3
70
18
2
www.DataSheet4U.com
5.000
48.2
2.35
4.92
0.27
5.00
0.17
0.44
TYP
130
250
700
300
600
1.2
9.2
2.9
1.7
9.2
68
10
10
11
15
10
10
80
30
90
30
0
5
5
2
1
5.075
5.100
MAX
1.22
280
320
725
2.5
0.5
0.6
2.5
0.6
50
50
15
10
45
15
20
3
4
UNITS
372312f
3
kHz
mA
mV
mV
mA
mV
mV
µA
µA
dB
nA
µA
ns
ns
ns
ns
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V

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