STP4CMPQTR datasheet(8/22 Pages) STMICROELECTRONICS

부품명	STP4CMPQTR

상세설명	Low voltage 4-channel constant current LED driver with charge pump

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Electrical characteristics

STP4CMP

8/22

Doc ID 15770 Rev 2

4

Electrical characteristics

VCC=3.3V, VEN=VON1=VON2=VON3=VON4=VCC, VCP_SEL= VCC, RSET1= RSET2= RSET3=

RSET4= 649 Ω, C1 =1 µF, typical values are at TA=25°C, unless otherwise specified.

Table 7.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VCC

Supply voltage

2.7

5.5

V

Vcp_clamp

Charge pump clamp voltage

2.7 V

≤ VCC < 3.1 V;

VCP_sel = VCC; IOUT ≤ 40 mA

5

V

VCC > 3.1 V; VCP_sel = VCC;

IOUT ≤ 120 mA

5

Tcp_start

Charge pump startup time

From CP_sel low to high

transition to CP reaches

steady-state at 5 V

10

ms

ILED1,2,3,4

LED sink current for each

channel

Rsetx= 649 Ω at VLEDx=0.9 V;

VCC > 3.1 V

27.9

30

32.1

mA

Rsetx = 7.87 kΩ at

VLEDx = 0.9 V; VCC ≥ 3.1 V

2.33

2.5

2.68

mA

Δ ILED

Output current error

between each channel

Rset1=Rset2=Rset3=Rset

TA = 25 °C

±1

±4

%

VIH

High level input voltage

2.0

V

VIL

Low level input voltage

0.8

V

ICC

Supply operating current

VON1=VON2=VON3=VON4=G

ND; no load; VCC=5.5 V

(charge pump disabled);

VCP_SEL=GND,

Rset1=Rset2=Rset3=Rset4=

7.87 k

Ω

3.6

mA

VON1=VON2=VON3=VON4=G

ND; no load; VCC=5.5 V

(charge pump disabled);

VCP_SEL=GND,

Rset1=Rset2=Rset3=Rset4=

649

Ω

1.7

VON1=VON2=VON3=VON4=G

ND; no load; VCC=3.3 V

(charge pump disabled);

VCP_SEL=VCC, Rset1=Rset2=

7.87 k

Ω

4.5

VON1=VON2=VON3=VON4=G

ND; no load; VCC=3.3 V

(charge pump disabled);

VCP_SEL=VCC,

Rset1=Rset2=Rset3=Rset4=

649

Ω

17.2

유사한 부품 번호 - STP4CMPQTR

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STMicroelectronics	STP4CMPQTR	1Mb / 24P	Low voltage 4-channel constant current LED driver with charge pump April 2015 Rev 3

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STP4CMPQTR 데이터시트(PDF) 8 Page - STMicroelectronics

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유사한 부품 번호 - STP4CMPQTR

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