Cyp7903 Sot89-3L Current 1A High Voltage 40V Low Power Ldo Regulator IC

• shape: Flat
• Conductive Type: Unipolar Integrated Circuit
• Integration: GSI
• Application: Specific Integrated Circuits
• Type: Digital IC
• Package: Sot89-3L
• Model NO.: CYP7903
• Manner of Packing: Reel
• Devices Per Bag/Reel: 1000PCS
• Ship by: DHL/FedEx/ UPS
• Lead Time: 7 Working Days After Receiving Payment
• Trademark: CY
• Origin: China
• HS Code: 8542399000
• Production Capacity: 200000PCS/Year

Product Description

General Description

The CYP7903 series is a group of positive voltage output, three-pin regulators, that provide a high current even when the input/output voltage differential is small. Low power consumption and high accuracy is achieved through CMOS and laser trimming technologies.

The CYP7903 consists of a high-precision voltage reference, an error amplification circuit, and a current limited output driver. Transient response to load variations have proved in comparison to the existing series.



Features

• Low Quiescent Current: typical 1.6μA
• Temperature Stability: ±50ppm/ºC
• High input voltage: 40V
• Output voltage accuracy: tolerance ±2%
• Low temperature coefficient
• Dropout Voltage: 20mV@IOUT=10mA
• Maximum Output Current: 1A
• The chip has the functions of overheat protection, over current protection and output short circuit protection
• Packages:SOT89-3L,SOT223 and TO252

 
Applications    

• Industrial control
• Smart meters, instruments and meters
• Battery supply set
• Wireless communication equipment
• Automotive electronics

Pin Assignment

 

 

Electrical Characteristics
CYP7903 Series (Unless otherwise indicated: Ta=25ºC)

PARAMETER	CONDITIONS			MIN	TYP	MAX	UNIT
Output Voltage1	VIN= VOUT(S)+2V,IOUT=10mA			VOUT(S) x0.98	VOUT(S)	VOUT(S) x1.02	V
Dropout Voltage2	IOUT=1mA				4	8	mV
	IOUT=1A				1000	1500
Line Regulation	VOUT(S)+2V≤VIN≤40V IOUT =1mA				0.01	0.02	%/V
Load Regulation	VIN=VOUT(S)+2V 1mA≤IOUT≤300mA		VOUT(S)≤10V		20	80	mV
			VOUT(S)>10V		85	150
Temperature Stability	VIN = VOUT(S)+2V,IOUT=10mA -40ºC≤Ta≤85ºC				±50		ppm/ºC
Quiescent Current	no load	VOUT(S)<5.0V		0.8	1.6	2	μA
		VOUT(S)≥5.0V		1.5	3	3.6
Input Voltage	---			2.2		40	V
Maximum Output Current						1	A
Current Limit3	VIN= VOUT(S)+2V,VOUT = 0.9 ×VOUT(S)				1.8		A
Short Circuit Current	VIN=VOUT(S)+2V, VOUT and GND is 0Ω				120		mA
Power Supply Rejection Ratio	f=10Hz, VOUT(S)=3.6V				73.2		dB
	f=100Hz,VOUT(S)=3.6V				72.2
	f=1kHz, VOUT(S)=3.6V				54.5
Over Temperature Protection	IOUT=10mA				145		ºC

Notes:

1. VOUT(S): Output voltage when VIN= Vout +2V, Iout=1 mA.
2. VDROP=Vin1 -(Vout(S)× 0.98)where Vin 1 is the input voltage when Vout = Vout (S)× 0.98. 3.ILIM : Output current when Vin=Vout (S)+2V and Vout = 0.95*Vout (S).