HT7350-A

UMW HT73xx-A

Low Dropout (LDO) Regulator

The HT7350-A is a low dropout (ldo) regulator from UMW. UMW HT73xx-A. View the full HT7350-A datasheet below including electrical characteristics, absolute maximum ratings.

Manufacturer

UMW

Overview

Part: UMW HT73xx-A

Type: Low Dropout (LDO) Regulator

Description: The UMW HT73xx-A series are three-terminal, low power, high voltage LDO regulators with an ultra-low 2 μA quiescent current, supporting input voltages up to 12V and fixed output voltages from 2.5V to 5.0V with up to 250mA output current.

Operating Conditions:

Supply voltage: 3.5–12 V
Operating temperature: -40 to +85 °C
Output voltage range: 2.5–5.0 V

Absolute Maximum Ratings:

Max supply voltage: 12 V
Max continuous current: null
Max junction/storage temperature: null

Key Specs:

Output Voltage Accuracy: ±3%
Quiescent Current: 2 μA (typ), 3 μA (max) @ No Load
Dropout Voltage: 60 mV (typ, for 7350-A) to 110 mV (typ, for 7325-A) @ 40mA
Output Current: Up to 250 mA (min, for 7330-A, 7333-A, 7336-A, 7340-A, 7344-A, 7350-A)
Load Regulation: 10 mV (typ, for 7340-A) to 45 mV (typ, for most others) for 1mA to 60mA/80mA/100mA
Line Regulation: 0.2 %/V (typ) for most parts
Temperature Coefficient: ±0.7 mV/°C (typ)

Features:

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form: SOT-23, SOT-89, TO-92

Applications:

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Package:

SOT-23
SOT-89
TO-92

Features

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form:SOT-23,SOT-89,TO-92

Applications

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Electrical Characteristics

(T_A=25°C, voltages are referenced to GND, unless otherwise specified)

Parameter	Symbol	Conditions	Min	Typ	Max	Units
Output Voltage	V _OUT	V _IN =3.5V, I _OUT =40mA	2.425	2.5	2.575	V
Output Current	I _OUT	V _IN =3.5V, I _OUT ≥2.25V	180			mA
Load Regulation	Δ V_OUT	V _IN =3.5V, 1mA≤I _OUT ≤60mA		45	90	mV
Drop Voltage	V_DIF	I _OUT =40mA		110		mV
Quiescent Current	I _SS	V _IN =3.5V, No Load		2	3	μΑ
Line Regulation	Δ V_OUT/(Δ V_IN^*V_OUT)	3.5V≤V _IN ≤12V, I _OUT =40mA		0.2	0.3	%/V
Input Voltage	V _IN				12	V
Temperature Coefficient	Δ V_OUT/Δ T_A	V _IN =3.5V,I _OUT =40mA,0°C≤T _A ≤85°C		±0.7		mV/°C

Absolute Maximum Ratings

Part Number	Input Voltage (MAX) (V)	OUTPUT (V)	Package
7325	12	2.5	SOT-23, SOT-89, TO-92
7327	12	2.7	SOT-23, SOT-89, TO-92
7330	12	3	SOT-23, SOT-89, TO-92
7333	12	3.3	SOT-23, SOT-89, TO-92
7336	12	3.6	SOT-23, SOT-89, TO-92
7340	12	4	SOT-23, SOT-89, TO-92
7344	12	4.4	SOT-23, SOT-89, TO-92
7350	12	5	SOT-23, SOT-89, TO-92

Absolute maximum ratings are those values beyond which the device could be permanently damaged, These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions.

8.1 Electrical Characteristics (7325-A)

(T_A=25°C, voltages are referenced to GND, unless otherwise specified)

Parameter	Symbol	Conditions	Min	Typ	Max	Units
Output Voltage	V _OUT	V _IN =3.5V, I _OUT =40mA	2.425	2.5	2.575	V
Output Current	I _OUT	V _IN =3.5V, I _OUT ≥2.25V	180			mA
Load Regulation	Δ V_OUT	V _IN =3.5V, 1mA≤I _OUT ≤60mA		45	90	mV
Drop Voltage	V_DIF	I _OUT =40mA		110		mV
Quiescent Current	I _SS	V _IN =3.5V, No Load		2	3	μΑ
Line Regulation	Δ V_OUT/(Δ V_IN^*V_OUT)	3.5V≤V _IN ≤12V, I _OUT =40mA		0.2	0.3	%/V
Input Voltage	V _IN				12	V
Temperature Coefficient	Δ V_OUT/Δ T_A	V _IN =3.5V,I _OUT =40mA,0°C≤T _A ≤85°C		±0.7		mV/°C

8.2 Electrical Characteristics (7327-A)

(TA=25°C, voltages are referenced to GND, unless otherwise specified)

Parameter	Symbol	Conditions	Min	Typ		Max Units
Output Voltage	VOUT	VIN=3.7V, IOUT=40mA	2.619	2.7	2.781	V
Output Current	IOUT	VIN=3.7V, IOUT≥2.43V	200			mA
Load Regulation	ΔVOUT	VIN=3.7V, 1mA≤IOUT≤60mA		45	90	mV
Drop Voltage	VDIF	IOUT=40mA		100		mV
Quiescent Current	ISS	VIN=3.7V, No Load		2	3	μA
Line Regulation	ΔVOUT/(ΔVIN*VOUT)	3.7V≤VIN≤12V, IOUT=40mA		0.2	0.3	%/V
Input Voltage	VIN				12	V
Temperature Coefficient	ΔVOUT/ΔTA	VIN=3.7V,IOUT=40mA,0°C≤TA≤85°C		±0.7		mV/°C

Typical Application

Package Information

DIMENSIONS (mm are the original dimensions)

Symbol	A	A1	A2	b	c	D	E1	E	e	e1	L	K
Min	1.050	0.000	1.050	0.300	0.100	2.820	1.500	2.650	0.950	1.800	0.300	0°
Max	1.250	0.100	1.150	0.500	0.200	3.020	1.700	2.950	BSC	2.000	0.600	8°

10.2 SOT-89 Package Outline Dimensions

DIMENSIONS (mm are the original dimensions)

Symbol	A	B	C	D	E	F	H	H1	L	L1	L2
Min	1.450	2.950	0.330	4.450	2.450	1.650	0.450	0.370	0.900	4.100	4.100
Max	1.550	3.050	0.430	4.550	2.550	1.750	0.580	0.480	1.000	4.300	4.350

10.3 TO-92 Package Outline Dimensions

DIMENSIONS (mm are the original dimensions)

Symbol	A	B	C	D	E	E1	F	L
Min	1.10	3.50	4.50	4.40	0.35	1.27	13.50	0.35
Max	1.30	3.90	4.90	4.90	0.45	TYP	14.50	0.40

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
HT7325-A	UMW	—
HT7327-A	UMW	—
HT7330-A	UMW	—
HT7333	UMW	SOT-23
HT7333-A	UMW	—
HT7336-A	UMW	—
HT7340-A	UMW	—
HT7344-A	UMW	—
HT73XX-A	UMW	—

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