LED7707TR STMicroelectronics, LED7707TR Datasheet - Page 9

• Manufacturer Part Number: LED7707TR
• Description: IC LED DRIVR WHT BCKLT 24-VFQFPN
• Manufacturer: STMicroelectronics
• Type: Backlight, White LEDr

Specifications of LED7707TR

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 250kHz ~ 1MHz
• Voltage - Supply: 4.5 V ~ 36 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: 24-VFQFN, 24-VFQFPN
• Operating Temperature: 0°C ~ 85°C
• Current - Output / Channel: 85mA
• Internal Switch(s): Yes
• High Level Output Current: 85 mA
• Operating Supply Voltage: 4.5 V to 36 V
• Maximum Supply Current: 1 mA
• Maximum Power Dissipation: 2.3 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: 497-10044 - BOARD EVAL LCD BACKLIGHT LED7707
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8492-2

LED7707
Table 5.
1. I
Power switch
OC and OV protections
Soft-start and power management
Current generators section
Thermal shutdown
Symbol
V
R
V
ΔK
T
V
FAULT
TH,OVP
DS(on)
V
FAULT,
LOW
ROW
SHDN
K
rowx,
K
IFB
R
B
R
(1)
= K
R
LX current coefficient
Internal MOSFET on-resistance
Over-voltage protection
reference threshold
EN, Turn-on threshold
EN, Turn-off threshold
DIM, high level threshold
DIM, low level threshold
EN, pull-up current
SS, charge current
SS, end-of-startup threshold
SS, reduced switching
frequency release threshold
Current generators gain
Current generators gain
accuracy
Feedback regulation voltage
LED short circuit detection
threshold
FAULT pin low-level voltage
Thermal shutdown
turn-off temperature
Thermal shutdown hysteresis
/ R
Electrical characteristics (continued)
RILIM
, ΔI
Parameter
ROW
/I
ROW
≈
ΔK
R
/K
R
+ ΔR
R
MODE tied to SGND
I
RILIM
FAULT,SINK
BILIM
/R
RILIM
= 600 kΩ
Test condition
= 4 mA
1
Min.
0.8
1.3
1.8
⋅
Electrical characteristics
10
4
6
1.2
1.145
1850
Typ.
280
700
250
150
2.4
2.5
0.8
4.0
30
⋅
5
10
6
1.4
Max.
±2.0
500
750
380
1.6
0.8
2.6
⋅
6
10
6
Unit
mΩ
mV
mV
9/47
μA
°C
%
V
V
V
V
V
V