HT6751A 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT6751A Datasheet PDF : 7 Pages
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¨ In normal state and standby mode
- Charge pump circuit is in off state
- Oscillator circuit is in off state
- Standby current is below 2mA
- For HT6751A, the oscillator circuit and charge
pump circuit is on until IN1 or IN2 or IN3 is low input
- For HT6751B, the oscillator circuit and charge
pump circuit is on until IN1 or IN2 or IN3 is high input
Application Circuits
VDD
VM
VDD
VM
IN 1 O U T 1
1 C hannel
fo r
m C /A S IC
M1
IN 2 O U T 2
VDD
IN 3
VSS
H T6751A
1 C hannel
fo r
m C /A S IC
VDD
VM
VDD
VM
IN 1 O U T 1
M1
IN 2 O U T 2
IN 3
VSS
H T6751B
HT6751A/HT6751B
¨ The system enters thermal shutdown mode (current
is limited below 500mA) when the temperature of the
internal sensor is greater than Junction Temperature
and then release this mode until the temperature of
the internal sensor below (Junction Temperatue
>150°C). The system can accept IN1/IN2/IN3 signal
when in thermal shutdown mode.
VDD
VM
B ra k e
F o rw a rd
R e v e rs e
VDD
VM
IN 1 O U T 1
M
IN 2 O U T 2
VDD
IN 3
VSS
H T6751A
VDD
VM
B ra k e
F o rw a rd
R e v e rs e
VDD
VM
IN 1 O U T 1
M
IN 2 O U T 2
IN 3
VSS
H T6751B
1 .5 C h a n n e l
fo r
m C /A S IC
VDD
VM
VDD
VM
IN 1 O U T 1
IN 2 O U T 2
IN 3
VSS
H T 6 7 5 1 A /B
N3
O U T3
M1 M2
P3
E x te rn a l
Rev. 1.10
3
April 11, 2012
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