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Details, datasheet, quote on part number:HT7327
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| Part: | HT7327 |
| Category: | Power Management => Regulators => Linear Regulators => LDO (Low Drop Out) |
| Description: | Low Power Consumption LDO <<<>>>The HT73XX Series is a Set of Three-terminal, Low Power, High Voltage Regulators Implemented in CMOS Technology. The Series Features Extremely Low Quiescent Current Which is Typically 4mA. 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 Reference, an Error Correction Circuit, And a Current Limited Output Driver. They Are Available With Several Fixed Output Voltages Ranging From 1.8V to 5.0V. CMOS Technology Ensures Low Dropout Voltage And Low Current Consumption. Although Designed Primarily as Fixed Voltage Regulators, These Devices CAN be Used With External Components to Generate Variable Voltages And Currents. <<<>>>Features <<<>>>Ultra Low Quiescent Current: 4mA (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 |
| Company: | Holtek Semiconductor Inc. |
| Datasheet: | Download HT7327 datasheet File size : 148 kB |
| Request For quote: | Find where to buy HT7327
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Datasheet text preview:
HT73XX Low Power Consumption LDO
Features
· Ultra low quiescent current: 4mA (typ.) · High input voltage (up to 12V) · Output voltage: · Maximum output current: 250mA · Low dropout voltage · Low temperature coefficient · TO-92, SOT-89 package
1.8V, 2.5V, 2.7V, 3.0V, 3.3V, 3.5V, 5.0V
· Output voltage accuracy: tolerance ±3%
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 technology. The series features extremely low quiescent current which is typically 4mA. 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 reference, an error correction circuit, and a current limited output driver. They are available with several fixed output voltages ranging from 1.8V to 5.0V. CMOS technology ensures low dropout voltage and low current consumption. Although designed primarily as fixed voltage 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 Tolerance ±3% ±3% ±3% ±3% ±3% ±3% ±3% TO-92-A TO-92-B SOT-89-A 73XX-A (for TO-92-A) 73XX-B (for TO-92-B) 73XX-A (for SOT-89) Package Marking
Note: ²XX² stands for output voltages
Rev. 1.00
1
May 21, 2004
HT73XX
Block Diagram
V IN VOUT
V re f
GND
Pin Assignment
T O -9 2 -A T O -9 2 -B S O T -8 9 -A
7 3 X X -A
F r o n t V ie w
7 3 X X -B
F r o n t V ie w 7 3 X X -A
GND
V IN
VOUT
V IN
GND VOUT
GND
V IN
VOUT
B o tto m
V ie w
B o tto m
V ie w GND V IN VOUT
Absolute Maximum Ratings
Supply Voltage ...VSS-0.3V to VSS+14V Power Consumption (*1) .......... 500mW Power Consumption (*2) ..500mW Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. *1: applied to TO-92 *2: applied to SOT-89 Storage Temperature ...-50°C to 125°C Operating Temperature ..-40°C to 85°C
Rev. 1.00
2
May 21, 2004
HT73XX
Electrical Characteristics
HT7318, +1.8V Output Type Symbol VOUT IOUT(MAX) DVOUT* VDROP** ISS
DV DV
IN OUT
Ta=25°C Test Conditions VIN 2.8V 2.8V 2.8V ¾ 2.8V ¾ ¾ 2.8V Conditions IOUT=40mA VOUT³1.62V 1mA£IOUT£80mA IOUT=40mA No load IOUT=40mA 2.8V£VIN£12V ¾ IOUT=40mA -40°CParameter Output Voltage Maximum Output Current Load Regulator Dropout Voltage Quiescent Current
“V
OUT
Line Regulator Input Voltage
VIN
DVO DT
a UT
Temperature Coefficient
HT7325, +2.5V Output Type Symbol VOUT IOUT(MAX) DVOUT* VDROP** ISS
DV DV
IN OUT
Ta=25°C Test Conditions VIN 3.5V 3.5V 3.5V ¾ 3.5V ¾ ¾ 3.5V Conditions IOUT=40mA VOUT³2.25V 1mA£IOUT£80mA IOUT=40mA No load IOUT=40mA 3.5V£VIN£12V ¾ IOUT=40mA -40°CParameter Output Voltage Maximum Output Current Load Regulator Dropout Voltage Quiescent Current
“V
OUT
Line Regulator Input Voltage
VIN
DVO DT
a UT
Temperature Coefficient
HT7327, +2.7V Output Type Symbol VOUT IOUT(MAX) DVOUT* VDROP** ISS
DV DV
IN OUT
Ta=25°C Test Conditions VIN 3.7V 3.7V 3.7V ¾ 3.7V ¾ ¾ 3.7V Conditions IOUT=40mA VOUT³2.43V 1mA£IOUT£100mA IOUT=40mA No load IOUT=40mA 3.7V£VIN£12V ¾ IOUT=40mA -40°CParameter Output Voltage Maximum Output Current Load Regulator Dropout Voltage Quiescent Current
“V
OUT
Line Regulator Input Voltage
VIN
DVO DT
a UT
Temperature Coefficient
Rev. 1.00
3
May 21, 2004
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