参数资料
型号: LTC3713EG
厂商: Linear Technology
文件页数: 3/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-SSOP
标准包装: 59
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1.5MHz
占空比: 90%
电源电压: 1.5 V ~ 36 V
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: 24-SSOP(0.209",5.30mm 宽)
包装: 管件
LTC3713
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are T A = 25 ° C. V IN1 = 15V, V IN2 = 1.5V unless otherwise noted.
SYMBOL
I RUN/SS(C)
I RUN/SS(D)
UVLO
UVLOR
TG R UP
TG R DOWN
BG R UP
BG R DOWN
TG t r
TG t f
BG t r
BG t f
PARAMETER
Soft-Start Charge Current
Soft-Start Discharge Current
V IN1 Undervoltage Lockout
V IN1 Undervoltage Lockout Release
TG Driver Pull-Up On Resistance
TG Driver Pull-Down On Resistance
BG Driver Pull-Up On Resistance
BG Driver Pull-Down On Resistance
TG Rise Time
TG Fall Time
BG Rise Time
BG Fall Time
CONDITIONS
V RUN/SS = 0V
V RUN/SS = 4.5V, V FB = 0V
V IN1 Falling
V IN1 Rising
TG High
TG Low
BG High
BG Low
C LOAD = 3300pF
C LOAD = 3300pF
C LOAD = 3300pF
C LOAD = 3300pF
q
q
MIN
– 0.5
0.8
TYP
– 1.2
1.8
3.4
3.5
2
2
3
1
20
20
20
20
MAX
–3
3
3.9
4
3
3
4
2
UNITS
μ A
μ A
V
V
?
?
?
?
ns
ns
ns
ns
Internal V CC Regulator
V INTVCC
? V LDO(LOADREG)
Internal V CC Voltage
Internal V CC Load Regulation
6V < V IN < 30V
I CC = 0mA to 20mA
q
4.7
5
–0.1
5.3
± 2
V
%
PGOOD Output
? V FB1H
? V FB1L
? V FB(HYS)
V PGL
PGOOD Upper Threshold
PGOOD Lower Threshold
PGOOD Hysteresis
PGOOD Low Voltage
V FB1 Rising
V FB1 Falling
V FB1 Returning
I PGOOD = 5mA
5.5
– 5.5
7.5
– 7.5
1
0.15
9.5
– 9.5
2
0.4
%
%
%
V
Boost Regulator
V IN2(MIN)
V IN2(MAX)
Minimum Operating Voltage
Maximum Operating Voltage
0.9
1.5
10
V
V
I Q(VIN2)
Input DC Supply Current (V IN2 )
Normal
Shutdown
3
0.01
4.5
1
mA
μ A
V FB2
V FB2 Feedback Voltage
0 ° C to 70 ° C
–40 ° C to 85 ° C
q
1.205
1.200
1.23
1.255
1.260
V
V
I VFB2
? V FB2(LINEREG)
V FB2 Pin Bias Current
BOOST Reference Line Regulation
1.5V ≤ V IN ≤ 10V
q
27
0.02
80
0.2
nA
%/V
f BOOST
BOOST Switching Frequency
0 ° C to 70 ° C
–40 ° C to 85 ° C
q
1.0
0.9
1.4
1.8
1.9
MHz
MHz
DC BOOST(MAX)
BOOST Maximum Duty Cycle
82
86
%
I LIM(BOOST)
BOOST Switch Current Limit
(Note 5)
500
800
mA
V CESAT(BOOST)
I SWLKG(BOOST)
BOOST Switch V CESAT
BOOST Switch Leakage Current
I SW = 300mA
V SW = 5V
300
0.01
350
1
mV
μ A
V SHDN(HIGH)
V SHDN(LOW)
SHDN Input Voltage High
SHDN Input Voltage Low
1
0.3
V
V
I SHDN
SHDN Pin Bias Current
V SHDN = 3V
V SHDN = 0V
25
0.01
50
0.1
μ A
μ A
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 as follows:
LTC3713EG: T J = T A + (P D ? 130 ° C/W)
Note 3: The LTC3713 is tested in a feedback loop that adjusts V FB to
achieve a specified error amplifier output voltage (I TH ).
Note 4: The LTC3713E is 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 5: Current limit guaranteed by design and/or correlation to static test.
3713fa
3
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