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LM25066PSQ Folha de dados(PDF) 6 Page - Texas Instruments

Nome de Peças LM25066PSQ
Descrição Electrónicos  System Power Management and Protection IC With PMBus
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LM25066
SNVS654J – FEBRUARY 2010 – REVISED DECEMBER 2015
www.ti.com
7.5 Electrical Characteristics
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of –40°C
to 85°C unless otherwise stated. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation.
Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless
otherwise stated the following conditions apply: VIN = 12 V (see
(1) and (2)).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT (VIN PIN)
IIN-EN
Input current, enabled
UVLO = 2 V and OVLO = 0.7 V
5.8
8
mA
POR
Power on reset threshold at VIN
VIN increasing
2.6
2.8
V
PORHYS
POREN hysteresis
VIN decreasing
150
mV
VDD REGULATOR (VDD PIN)
IVDD = 5 mA, VIN = 12 V
4.3
4.5
4.7
V
VDD
IVDD = 5 mA, VIN = 4.5 V
3.5
3.9
4.3
V
VDDILIM
VDD current limit
25
45
mA
UVLO/EN, OVLO PINS
UVLOTH
UVLO threshold
VUVLO Falling
1.147
1.16
1.173
V
UVLOHYS
UVLO hysteresis current
UVLO = 1 V
18
23
28
µA
Delay to GATE high
8
UVLODEL
UVLO delay
µs
Delay to GATE low
20
UVLOBIAS
UVLO bias current
UVLO = 3 V
1
µA
OVLOTH
OVLO threshold
VOVLO rising
1.141
1.16
1.185
V
OVLOHYS
OVLO hysteresis current
OVLO = 1 V
–28
–23
–18
µA
Delay to GATE high
19
OVLODEL
OVLO delay
µs
Delay to GATE low
9
OVLOBIAS
OVLO bias current
OVLO = 1 V
1
µA
POWER GOOD (PGD PIN)
PGDVOL
Output low voltage
ISINK = 2 mA
25
60
mV
PGDIOH
Off leakage current
VPGD = 17 V
1
µA
PGDDELAY
Power Good delay
VFB to VPG
115
ns
FB PIN
FBTH
FB threshold
VFB rising
1.141
1.167
1.19
V
FBHYS
FB hysteresis current
–31
–24
–18
µA
FBLEAK
Off leakage current
VFB = 1 V
1
µA
POWER LIMIT (PWR PIN)
PWRLIM
Power limit sense voltage (VIN-SENSE)
SENSE-OUT = 12 V, RPWR = 25 kΩ
9
12.5
15
mV
IPWR
PWR pin current
VPWR = 2.5 V
–10
µA
RSAT(PWR)
PWR pin impedance when disabled
UVLO = 0.7 V
180
GATE CONTROL (GATE PIN)
Source current
Normal operation
–28
–22
–16
µA
Fault sink current
UVLO = 1 V
1.5
2
2.5
mA
IGATE
VIN - SENSE = 150 mV or VIN < RPOR,
POR circuit breaker sink current
105
190
275
mA
VGATE = 5 V
VGATE
Gate output voltage in normal operation
GATE voltage with respect to ground
17
18.8
20.3
V
OUT PIN
IOUT-EN
OUT bias current, enabled
OUT = VIN, normal operation
16
µA
IOUT-DIS
OUT bias current, disabled(3)
Disabled, OUT = 0 V, SENSE = VIN
–12
µA
(1)
Current out of a pin is indicated as a negative value.
(2)
All limits are specified. All electrical characteristics having room temperature limits are tested during production at TA = 25°C. All hot and
cold limits are specified by correlating the electrical characteristics to process and temperature variations and applying statistical process
control.
(3)
OUT bias current (disabled) due to leakage current through an internal 0.9 M
Ω resistance from SENSE to VOUT.
6
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