参数资料
型号: LTC4212IMS#TRPBF
厂商: Linear Technology
文件页数: 3/24页
文件大小: 234K
描述: IC CTRLR HOTSWAP TIMEOUT 10MSOP
标准包装: 2,500
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 2.5 V ~ 16.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
3
LTC4212
4212f
V
PGFHI
Power Good Glitch Filter High Threshold
q   1.20
1.236
1.26
V
V
PGFHST
Power Good Glitch Filter Hysterisis
(Note 4)
40
mV
V
PGTHI
Power Good Timer High Threshold
q    0.928
0.952    0.976
V
V
PGTLO
Power Good Timer Low Threshold
q    0.640
0.657    0.680
V
V
PGTV
Power Good Timer Delta Threshold
q    0.283
0.295    0.304
V
I
PGT
Power Good Timer Pin Current
Power Good Timer On, C
PGT
 Charging, PGT = 0.65V
q    5.61
5.1    4.59
Power Good Timer On, C
PGT
 Discharging, PGT = 0.95V    q    4.63
5.2
5.77
Power Good Timer Off, PGT = 1.5V
5
mA
I
PGF
Power Good Glitch Filter Pin Current
Power Good Glitch Filter On, C
PGF
 Charging
q    5.61
-5.1
4.49
Power Good Timer Off, PGF = 1.5V
5
mA
I
TMR
TIMER Current
Timer On, V
TIMER
 = 1V
q    2.5
2
1.5
Timer Off, TIMER = 1.5V
5
mA
V
TMR
TIMER Threshold
TIMER Low to High
q    1.20
1.236
1.26
V
TIMER High to Low
q    0.15
0.200
0.40
V
V
FAULT
FAULT Threshold
Latched Off Threshold, FAULT High to Low
q    1.20
1.236
1.26
V
V
FAULTHST
FAULT Threshold Hysteresis
50
mV
V
OLFAULT
Output Low Voltage
I
FAULT
 = 1.6mA
q
0.14
0.4
V
t
TO
Power Good Time-Out
C
PGT
 =10nF, PGT = 0.1V to FAULT Low
q    16.3
18.16
20
ms
t
FAULTLO
Power Good Input Low at Time-Out to    End of 14th PGT Cycle
1
GATE Discharging
t
FAULTVG
Valid Power Good Glitch to GATE
PGF > 1.26V
1.5
Discharging
t
FAULTFC
FAST COMP Trip to GATE Discharging    V
CB
 = 0mV to 200mV Step
q
500
700
ns
t
FAULTSC
SLOW COMP Trip to GATE Discharging   V
CB
 = 0mV to 100mV Step
q
10
18
30
t
EXTFAULT
FAULT Low to GATE Discharging
V
FAULT
 = 5V to 0V
q
1
3
5
t
RESET
Circuit Breaker Reset Delay Time
ON Low to FAULT High
q
120
250
t
OFF
Turn-Off Time
ON Low to GATE Off
10
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
 = 25?/SPAN>C. V
CC
 = 5V, unless otherwise noted. (Note 2)
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All current into device pins are positive; all current out of device
pins are negative; all voltages are referenced to ground unless otherwise
specified.
Note 3: An internal clamp limits the GATE pin to a minimum of 10V above
V
CC
. Driving this pin to voltages beyond the clamp may damage the part. If
a lower GATE pin voltage is desired, use an external zener diode. The GATE
capacitance must be <0.15礔 at maximum V
CC
.
Note 4: Guaranteed by design and not tested in production.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
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