參數(shù)資料
型號： LTC1929CG-PG
英文描述： Analog IC
中文描述： 模擬IC
文件頁數(shù)： 3/28頁
文件大?。?/td> 389K
代理商： LTC1929CG-PG
3
LTC1929/LTC1929-PG
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
SYMBOL
I
SCL
PARAMETER
RUN/SS Discharge Current
CONDITIONS
Soft Short Condition V
EAIN
= 0.5V;
V
RUN/SS
= 4.5V
V
EAIN
= 0.5V
Each Channel: V
SENSE1
–
, 2
– = V
SENSE1
+
, 2
+ = 0V
In Dropout
MIN
0.5
TYP
2.0
MAX
4.0
UNITS
μ
A
I
SDLHO
I
SENSE
DF
MAX
Shutdown Latch Disable Current
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
V
LDO
EXT-PG
EXTV
CC
Voltage Drop
V
EXTVCC
EXTV
CC
Switchover Voltage
V
LDOHYS
EXTV
CC
Switchover Hysteresis
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
PGOOD Output (LTC1929-PG Only)
V
PGL
PGOOD Voltage Low
I
PGOOD
PGOOD Leakage Current
V
PG
PGOOD Trip Level
1.6
–60
99.5
5
μ
A
μ
A
%
–85
98
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
I
CC
= 20mA, V
EXTVCC
= 5V, LTC1929-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
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
–15
15
180
μ
A
μ
A
Deg
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
V
OS
Input Offset Voltage
Differential Amp Mode
Differential Amp Mode; 0V < V
CM
< 5V
Differential Amp Mode; Measured at V
OS
+ Input
Op Amp Mode; V
CM
= 2.5V; V
DIFFOUT
= 5V;
I
DIFFOUT
= 1mA (LTC1929 Only)
0.995
46
1
1.005
V/V
dB
k
mV
55
80
6
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參數(shù)描述
LTC1929CG-PG#25123 制造商:Linear Technology 功能描述:
LTC1929CG-PG#25123#TR 制造商:Linear Technology 功能描述:
LTC1929CG-PG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1929CG-PG#TR 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1929CG-PG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
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