PM6600 STMicroelectronics, PM6600 Datasheet - Page 55
PM6600
Manufacturer Part Number
PM6600
Description
IC LED DRIVR WHT BCKLT 24-VFQFPN
Manufacturer
STMicroelectronics
Type
Backlight, White LEDr
Datasheet
1.PM6600TR.pdf
(60 pages)
Specifications of PM6600
Topology
PWM, Step-Up (Boost)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
200kHz ~ 1MHz
Voltage - Supply
4.7 V ~ 28 V
Voltage - Output
36V
Mounting Type
Surface Mount
Package / Case
24-VFQFN, 24-VFQFPN
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
32mA
Internal Switch(s)
Yes
Number Of Segments
60
Operating Supply Voltage
4.7 V to 28 V
Maximum Power Dissipation
2.3 W
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
497-8414 - BOARD EVAL BASED ON PM6600
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Efficiency
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PM6600
Manufacturer:
FUJITSU
Quantity:
2 402
Company:
Part Number:
PM6600TR
Manufacturer:
ST
Quantity:
11 965
Company:
Part Number:
PM6600TR
Manufacturer:
st
Quantity:
5 145
PM6600
Appendix C
C.1
Full application schematic
Figure 58. Full application schematic
With respect to the Basic application circuit (see chapter1), some optional components are
added. Below the suggestions, section by section, on why and in which cases to add these
components.
FAU LT
V IN +
EN
VI N -
D I M
10 0kR
1
Ren 2
2
1k R t o 3. 3k R
A VC C
R di m1
Application suggestions
3 .3 k R
R en 1
MOD E
4 70 nF
Ce n
Rd im 2
10 0k R
SW 3
C c o mp
3 . 3 nF
Rc o mp
2. 4k R
C s s
C in
3. 3nF t o 10 nF
C a v c c
C ldo 5
3 30 k
R f s w
1 00 nF
1uF
>4 . 7 uF
AV CC
Doc ID 14248 Rev 7
A VC C
R f ilt
4 .7 R
FS W
22
21
20
24
6
7
5
1
SW 2
AVC C
LD O 5
FAU LT
EN
DI M
MOD E
COMP
SS
R r ilim
50 k R
PM6600
R bilim
180 kR
6 . 8 uH to 15u H
L
O VSEL
SLO PE
P G ND
R O W6
R O W5
R O W4
R O W3
R O W2
R O W1
TH PD
1 8
9
1 7
1 6
1 5
1 4
1 3
1 2
1 1
2 5
S TP S1L40 M
R OW 6
R OW 5
R OW 4
R OW 3
R OW 2
R OW 1
D
C ro w1
Crowx = 100pF to 470pF
R 1
*
R 2
*
C row2
C 1 3
22 pF t o 1 00pF
C 1 0
22 0p F t o 1nF
C r ow 3
C r ow4
Application suggestions
C ro w5
Rs lop e
680 k R
C ro w6
3
C ou t
>4. 7 uF
VBOOST
55/60