参数资料
型号: LTC3723EGN-2#PBF
厂商: Linear Technology
文件页数: 4/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO VM 16SSOP
标准包装: 100
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1MHz
占空比: 50%
电源电压: 10V(最小值)
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
LTC3723-1/LTC3723-2
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 9.5V unless otherwise noted.
SYMBOL
SSI
SSR
FLT
PARAMETER
Soft-Start Current
Soft-Start Reset Threshold
Fault Reset Threshold
CONDITIONS
SS = 2.5V
Measured on SS
Measured on SS
MIN
10
0.7
4.5
TYP
13
0.4
4.2
MAX
16
0.1
3.5
UNITS
μ A
V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Includes leading edge blanking delay, R LEB = 20k, not tested in
production.
Note 3: FB is driven by a servo loop amplifier to control V COMP for these
tests.
Note 4: Set FB to –0.3V, 2.5V and insure that COMP does not phase invert.
Note 5: The LTC3723E–1/LTC3723E-2 are guaranteed to meet
performance specifications from 0 ° C to 70 ° C. Specifications over the
–40°C to 85°C operating temperature range are assured by design,
characterization and correlation with statistical process controls.
Note 6: This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125 ° C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
TYPICAL PERFOR A CE CHARACTERISTICS
(T A = 25 ° C unless otherwise noted)
Oscillator Frequency vs
Start-Up I CC vs V CC
V CC vs I SHUNT
Temperature
200
150
100
50
10.50
10.25
10.00
9.75
260
250
240
230
C T = 270pF
0
0
2
4
6
8
10
9.50
0
10
20
30
40
50
220
– 60 – 40 – 20
0
20
40 60
80
100
350
V CC (V)
Leading Edge Blanking Time
vs R LEB
372312 G01
5.05
V REF vs I REF
I SHUNT (mA)
372312 G02
5.01
TEMPERATURE ( ° C)
V REF vs Temperature
372312 G03
300
250
5.00
T J = 25 ° C
T J = 85 ° C
5.00
200
150
4.95
4.90
4.99
100
50
4.85
T J = –40 ° C
4.98
0
0 10 20 30 40 50 60
70 80 90 100
4.80
0
5
10
15
20
25
30
35
40
4.97
– 60 – 40 – 20
0
20
40 60
80
100
R LEB (k ? )
372312 G04
I REF (mA)
372312 G05
TEMPERATURE ( ° C)
372312 G06
372312f
4
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