STLD20CP1PQR STMicroelectronics, STLD20CP1PQR Datasheet - Page 7

• Manufacturer Part Number: STLD20CP1PQR
• Description: IC LED DRIVR BCKLGT FLASH 16-QFN
• Manufacturer: STMicroelectronics
• Type: Backlight, Flash, Movier

Specifications of STLD20CP1PQR

• Topology: PWM, Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.3MHz
• Voltage - Supply: 2.8 V ~ 6 V
• Voltage - Output: 17V
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Operating Temperature: -40°C ~ 85°C
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Efficiency: -
• Other names: 497-6924-2; STLD20CP1PQR

5
Table 7.
Supply section
Dynamic performance
Backlight section, step-up
Backlight section, step-up
Digital control section
I
V
V
I
LED (LINE)
Symbol
V-DM1
V-DM2
ΔV
V-SEL
V_OVP
V
LED MAX
F
I-DM1
I-DM2
I-SEL
R
I
I
P_SW
V-TF
UVLO_H
UVLO_L
LK_SW
I-TF
FB_SU
B
FB_SU
f
DSON
I
SW
Ripple
V
PK
I
ν
step
I
I
H
H
H
H
H
H
H
H
Operating input voltage
Under-voltage lockout
HIGH
Under-voltage lockout
LOW
Supply current
Standby current
Efficiency step-up
Over-voltage protection
Feedback voltage
Feedback leakage current V
Frequency switching
Step-up switch resistance
P_SW leakage current
Peak inductor current
Output ripple step-up
Max LED current
Static line regulation
STEP feedback voltage
High voltage threshold
I-DM1
I-DM2
I-TF
I-SEL
Electrical characteristics
Electrical characteristics for STLD20CP1 (T
C
DM2 = 1.6 V, typ. values @ 25 °C, unless otherwise specified)
O1,2
H
H
leakage current
H
H
leakage current
Parameter
= 2.2 µF, V
leakage current
leakage current
O_SU
= 15 V, V
I
DM1= DM2 = TF = SEL = 0
I
T
V
I
V
V
R_LED = 10Ω
V
V-DM1
V-DM2
V-TF
V-SEL
LED
LED
LED
J
FB_SU
SW
FB_SU
I
I
= 3.0V to 4.2V @ T
= 2.8V to 6V
= 25°C, I
= 50mA, TF = 0
= 20mA, V
= 50mA
= 17V, DM1= DM2 = 0V
H
H
= 6V
H
H
/R_LED, R_LED = 10Ω
O_CP
= 1V
= 6V
= 6V
= 6V
Test conditions
SW
= 4 V, C
= 100mA
I
= 2.8V to 6.0V
J
CP
= 25°C
J
= 1 µF, C
= -40 °C to 85 °C, V
(1)
(1)
FB_SU
Min.
16.5
465
2.8
2.2
1.4
80
50
-5
= 100 pF, L = 3.3 µH, DM1 =
Typ.
700
490
0.1
1.3
0.8
0.1
1,2
0.1
0.1
0.1
0.1
30
10
I
1
= 3.4 V, C
Max.
515
2.7
0.5
0.5
0.5
0.5
0.5
0.5
6
5
I
= 2.2 µF,
mV
MHz
Unit
mV
mA
mV
µA
µA
µA
µA
µA
µA
µA
µA
%
%
V
V
V
V
Ω
A
V
pp
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