6.5 Electrical Characteristics (continued)
T
J
= –40°C to +125°C; typical values at T
J
= 25°C, V
(ANODE)
= 12 V, C
(VCAP)
= 0.1 µF, V
(EN)
= 3.3 V, over operating free-air
temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
(VCAP)
Charge Pump source current (Charge
pump on)
V
(VCAP)
– V
(ANODE)
= 7 V
162 300 600 µA
Charge Pump sink current (Charge
pump off)
V
(VCAP)
– V
(ANODE)
= 14 V
5 10 µA
V
(VCAP)
–
V
(ANODE)
Charge pump voltage at V
(ANODE)
=
3.2 V
I
(VCAP)
≤ 30 µA
8 V
Charge pump turn on voltage 10.8 12.1 12.9 V
Charge pump turn off voltage 11.6 13 13.9 V
Charge Pump Enable comparator
Hysteresis
0.54 0.9 1.36 V
V
(VCAP UVLO)
V
(VCAP)
– V
(ANODE)
UV release at
rising edge
V
(ANODE)
– V
(CATHODE)
= 100 mV
5.8 6.6 7.7 V
V
(VCAP)
– V
(ANODE)
UV threshold at
falling edge
V
(ANODE)
– V
(CATHODE)
= 100 mV
5.11 5.68 6 V
CATHODE
I
(CATHODE)
CATHODE sink current
V
(ANODE)
= 12 V, V
(ANODE)
–
V
(CATHODE)
= –100 mV
1.7 2 µA
V
(ANODE)
– V
(CATHODE)
= –100 mV
1.2 2.2 µA
V
(ANODE)
= –12 V, V
(CATHODE)
= 12 V
1.25 2.06 µA
(1) Parameter guaranteed by design and characterization
6.6 Switching Characteristics
T
J
= –40°C to +125°C; typical values at T
J
= 25°C, V
(ANODE)
= 12 V, C
(VCAP)
= 0.1 µF, V
(EN)
= 3.3 V, over operating free-air
temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
EN
TDLY
Enable (low to high) to Gate Turn On
delay
V
(VCAP)
> V
(VCAP UVLOR)
75 110 µs
t
Reverse delay
Reverse voltage detection to Gate Turn
Off delay
V
(ANODE)
– V
(CATHODE)
= 100 mV to –
100 mV
0.45 0.75 µs
t
Forward recovery
Forward voltage detection to Gate Turn
On delay
V
(ANODE)
– V
(CATHODE)
= –100 mV to
700 mV
1.4 2.6 µs
www.ti.com.cn
LM74700-Q1
ZHCSHV4G – OCTOBER 2017 – REVISED DECEMBER 2020
Copyright © 2021 Texas Instruments Incorporated
Submit Document Feedback
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Product Folder Links: LM74700-Q1
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