參數(shù)資料
型號： LTC1629IG-PG
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 5 A DUAL SWITCHING CONTROLLER, 310 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 0.209 INCH, PLASTIC, SSOP-28
文件頁數(shù)： 3/28頁
文件大?。?/td> 330K
代理商： LTC1629IG-PG
3
LTC1629/LTC1629-PG
SYMBOL
I
SENSE
DF
MAX
PARAMETER
Total Sense Pins Source Current
Maximum Duty Factor
Top Gate Transition Time:
Rise Time
Fall Time
Bottom Gate Transition Time:
Rise Time
Fall Time
Top Gate Off to Bottom Gate On Delay
Synchronous Switch-On Delay Time
Bottom Gate Off to Top Gate On Delay
Top Switch-On Delay Time
Minimum On-Time
Internal V
CC
Regulator
V
INTVCC
Internal V
CC
Voltage
V
LDO
INT
INTV
CC
Load Regulation
V
LDO
EXT
EXTV
CC
Voltage Drop
CONDITIONS
Each Channel; V
SENSE1
–
, 2
– = V
SENSE1
+
, 2
+ = 0V
In Dropout
MIN
–85
98
TYP
–60
99.5
MAX
UNITS
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 15V, V
RUN/SS
= 5V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
μ
A
%
TG1, 2 t
r
TG1, 2 t
f
C
LOAD
= 3300pF
C
LOAD
= 3300pF
30
40
90
90
ns
ns
BG1, 2 t
r
BG1, 2 t
f
TG/BG t
1D
C
LOAD
= 3300pF
C
LOAD
= 3300pF
30
20
90
90
ns
ns
C
LOAD
= 3300pF Each Driver
90
ns
BG/TG t
2D
C
LOAD
= 3300pF Each Driver
Tested with a Square Wave (Note 6)
90
180
ns
ns
t
ON(MIN)
6V < V
IN
< 30V; V
EXTVCC
= 4V
I
CC
= 0 to 20mA; V
EXTVCC
= 4V
I
CC
= 20mA; V
EXTVCC
= 5V; LTC1629
I
CC
= 20mA; V
EXTVCC
= 5V; LTC1629-PG
I
CC
= 20mA, EXTV
CC
Ramping Positive
I
CC
= 20mA, EXTV
CC
Ramping Negative
4.8
5.0
0.2
120
80
4.7
0.2
5.2
1.0
240
160
V
%
mV
mV
V
EXTVCC
V
LDOHYS
Oscillator and Phase-Locked Loop
f
NOM
Nominal Frequency
f
LOW
Lowest Frequency
f
HIGH
Highest Frequency
R
PLLIN
PLLIN
Input Resistance
I
PLLFLTR
Phase Detector Output Current
Sinking Capability
Sourcing Capability
R
RELPHS
Controller 2-Controller 1 Phase
EXTV
CC
Switchover Voltage
EXTV
CC
Switchover Hysteresis
G
4.5
V
V
V
PLLFLTR
= 1.2V
V
PLLFLTR
= 0V
V
PLLFLTR
≥
2.4V
190
120
280
220
140
310
50
250
160
360
kHz
kHz
kHz
k
f
PLLIN
< f
OSC
f
PLLIN
> f
OSC
V
PHASMD
= 0V, Open
V
PHASMD
= 5V
V
PHASMD
= 0V
V
PHASMD
= Open
V
PHASMD
= 5V
–15
15
180
240
60
90
120
μ
A
μ
A
Deg
Deg
Deg
Deg
Deg
CLKOUT
Phase (Relative to Controller 1)
CLK
HIGH
CLK
LOW
PGOOD Output (LTC1629-PG Only)
V
PGL
PGOOD Voltage Low
I
PGOOD
PGOOD Leakage Current
V
PG
PGOOD Trip Level, Either Controller
Clock High Output Voltage
Clock Low Output Voltage
4
V
V
0.2
I
PGOOD
= 2mA
V
PGOOD
= 5V
V
EAIN
with Respect to Set Output Voltage
V
EAIN
Ramping Negative
V
EAIN
Ramping Positive
0.1
0.3
±
1
V
μ
A
–6
6
–7.5
7.5
–9.5
9.5
%
%
Differential Amplifier/Op Amp Gain Block (Note 5)
A
DA
Gain
CMRR
DA
Common Mode Rejection Ratio
R
IN
Input Resistance
Differential Amp Mode
Differential Amp Mode; 0V < V
CM
< 5V
Differential Amp Mode; Measured at V
OS
+ Input
0.995
46
1
1.005
V/V
dB
k
55
80
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