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What is HT7333?

This electronic component, produced by the manufacturer "Holtek Semiconductor", performs the same function as "Low Power Consumption LDO".


HT7333 Datasheet PDF - Holtek Semiconductor

Part Number HT7333
Description Low Power Consumption LDO
Manufacturers Holtek Semiconductor 
Logo Holtek Semiconductor Logo 


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HT73XX
Low Power Consumption LDO
Features
· Ultra low quiescent current: 3.5mA (typ.)
· High input voltage (up to 12V)
· Output voltage:
1.8V, 2.5V, 2.7V, 3.0V, 3.3V, 3.5V, 5.0V
· Output voltage accuracy: tolerance ±3%
· Maximum output current: 250mA
· Low dropout voltage
· Low temperature coefficient
· TO-92, SOT-89 package
Applications
· Battery-powered equipment
· Voltage regulator for microprocessor
· Voltage regulator for LAN cards
· Wireless Communication equipment
· Audio/Video equipment
General Description
The HT73XX series is a set of three-terminal, low power,
high voltage regulators implemented in CMOS technol-
ogy. The series features extremely low quiescent cur-
rent which is typically 3.5mA . They allow input voltages
as high as 12V. The device provides large current with a
significantly small dropout voltage.
The HT73XX consists of a high-precision voltage refer-
ence, an error correction circuit, and a current limited
output driver. They are available with several fixed out-
put voltages ranging from 1.8V to 5.0V. CMOS technol-
ogy ensures low dropout voltage and low current
consumption. Although designed primarily as fixed volt-
age regulators, these devices can be used with external
components to generate variable voltages and currents.
Selection Table
Part No.
HT7318
HT7325
HT7327
HT7330
HT7333
HT7335
HT7350
Output Voltage
1.8V
2.5V
2.7V
3.0V
3.3V
3.5V
5.0V
Package
TO-92
SOT-89
Marking
73XX-A (for TO-92)
73XX-A (for SOT-89)
Note:
²XX² stands for output voltages.
For lead free devices, TO-92 package will add a ²#² mark at the end of the date code, whereas SOT-89
package will add a ²#² mark at the end of the marking.
Rev. 1.40
1 January 12, 2006

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HT7333 equivalent
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HT73XX
HT7350, +5.0V Output Type
Ta=25°C
Symbol
Parameter
VOUT
IOUT(MAX)
DVOUT*
VDROP**
ISS
D V OUT
D V IN ´ V O U T
VIN
D V OUT
DTa
Output Voltage
Maximum Output Current
Load Regulation
Dropout Voltage
Quiescent Current
Line Regulation
Input Voltage
Temperature Coefficient
Test Conditions
VIN Conditions
6V IOUT=40mA
6V VOUT³4.5V
6V 1mA£IOUT£100mA
¾ IOUT=40mA
6V No load
¾
IOUT=40mA
6V£VIN£12V
¾¾
6V
IOUT=80mA
-40°C<Ta<85°C
Min. Typ. Max. Unit
4.85 5 5.15 V
250 ¾
¾ mA
¾ 45 90 mV
¾ 60 ¾ mV
¾ 3.5 7 mA
¾ 0.2 0.3 %/V
¾ ¾ 12 V
¾ ±0.7 ¾ mV/°C
Note:
²*² Regulation is measured at constant junction temperature, using pulsed ON time.
²**² Dropout is measured at constant junction temperature, using pulsed ON time, and the criterion is VOUT in-
side target value ±2%.
Application Circuits
V IN
V IN H T 7 3 X X V O U T
V OUT
S e r ie s
C1
10mF
GND
C2
10mF
C om m on
S in g le p o in t G N D
C om m on
Rev. 1.40
5 January 12, 2006


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HT7333 electronic component.


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