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STP4CMPQTR 数据表(PDF) 9 Page - STMicroelectronics

部件名 STP4CMPQTR
功能描述  Low voltage 4-channel constant current LED driver with charge pump
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STP4CMPQTR 数据表(HTML) 9 Page - STMicroelectronics

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STP4CMP
Electrical characteristics
DocID15770 Rev 3
9/24
4
Electrical characteristics
VCC = 3.3 V, 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 conditions
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 start-
up time
From CP_SEL low to high transition to
CP reaches steady-state 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
∆ILED
Output current error
between each
channel
RSET1 = RSET2, RSET3 = RSET4,
TA = 25 °C
±1
±4
%
VIH
High level input
voltage
2.0
V
VIL
Low level input
voltage
0.8
ICC
Supply operating
current
VON1 = VON2 = VON3 = VON4 = GND;
no-load;
VCC = 5.5 V (charge pump
disabled); VCP_SEL = GND,
RSET1 = RSET2 = RSET3 = RSET4 = 7.87 kΩ
3.6
mA
VON1 = VON2 = VON3 = VON4 = GND;
no-load;
VCC = 5.5 V (charge pump
disabled); VCP_SEL = GND,
RSET1 = RSET2 = RSET3 = RSET4= 649 Ω
1.7
VON1 = VON2 = VON3 = VON4 = GND;
no-load;
VCC = 3.3 V (charge pump enabled);
VCP_SEL = VCC,
RSET1 = RSET2 = RSET3 = RSET4= 7.87 kΩ
4.5
VON1 = VON2 = VON3 = VON4 = GND;
no-load;
VCC = 3.3 V (charge pump enabled);
VCP_SEL = VCC,
RSET1 = RSET2 = RSET3 = RSET4 = 649 Ω
17.2
ISHUTDOWN
Supply current
during power-down
VEN = VON1 = VON2 = VEN = VON3 = VON4
=VCP_SEL = 0 V
5
µA



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