參數(shù)資料
型號: LTC1625CGN
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: 2 A SWITCHING CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO16
封裝: PLASTIC, SSOP-16
文件頁數(shù): 3/24頁
文件大?。?/td> 454K
代理商: LTC1625CGN
3
LTC1625
T
A
= 25
°
C, V
IN
= 15V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
BG Transition Time
Rise Time
Fall Time
CONDITIONS
MIN
TYP
MAX
UNITS
BG t
R
BG t
F
Internal V
CC
Regulator
V
INTVCC
V
LDOINT
V
LDOEXT
V
EXTVCC
Oscillator
f
OSC
f
H
/f
OSC
V
SYNC
R
SYNC
C
LOAD
= 3300pF
C
LOAD
= 3300pF
50
50
150
150
ns
ns
Internal V
CC
Voltage
INTV
CC
Load Regulation
EXTV
CC
Voltage Drop
EXTV
CC
Switchover Voltage
6V < V
IN
< 30V, V
EXTVCC
= 4V
I
CC
= 20mA, V
EXTVCC
= 4V
I
CC
= 20mA, V
EXTVCC
= 5V
I
CC
= 20mA, V
EXTVCC
Ramping Positive
G
5.0
5.2
–1
180
4.7
5.4
–2
300
V
%
mV
G
4.5
V
Oscillator Freqency
Maximum Synchronized Frequency Ratio
SYNC Pin Threshold (Figure 4)
SYNC Pin Input Resistance
135
150
1.5
0.9
50
165
kHz
Ramping Positive
1.2
V
k
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
T
J
is calculated from the ambient temperature T
A
and power
dissipation P
D
according to the following formula:
LTC1625CGN/LTC1625IGN: T
J
= T
A
+ (P
D
130
°
C/W)
LTC1625CS/LTC1625IS: T
J
= T
A
+ (P
D
110
°
C/W)
Note 3:
The LTC1625 is tested in a feedback loop that adjusts V
OSENSE
to
achieve a specified error amplifier output voltage (I
TH
).
Note 4:
Typical in application circuit with EXTV
CC
tied to V
OUT
= 5V,
I
OUT
= 0A and FCB = INTV
CC
. Dynamic supply current is higher due
to the gate charge being delivered at the switching frequency. See
Applications Information.
Note 5:
Minimum input supply voltage is 3.9V at –40
°
C for industrial
grade parts.
相關(guān)PDF資料
PDF描述
LTC1625IGN RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1625CS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
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LTC1625IS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1625 Synchronous Step-Down Switching Regulator(3.3V輸出,同步步降開關(guān)穩(wěn)壓器)
相關(guān)代理商/技術(shù)參數(shù)
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