PAM2842 Datasheet, PDF (4/17 Pages) Power Analog Micoelectronics – High Power LED Driver

Pin Configuration & Marking Information
Top View
6mm*6mm QFN
PAM2842
High Power LED Driver
TOP View
TSSOP-20
PGND
40 39 38 37 _{36 35 34 33 32 31}
1
30
PGND 2
29
PGND 3
28
PGND ⁴
PGND 5
PAM2842
27
26
PGND 6
XXXYWWLL
25
NC 7
24
HVIN 8
23
EN ₉
22
VDD-DR 10
21
13 14 15 16 17 18 19 20
SW
SW
SW
SW
SW
SW
NC
OV
NC
VDD_5V
PGND 1
PGND ₂
PGND ₃
PGND 4
HVIN ₅
EN ₆
VDD-DR 7
RT ₈
AGND ₉
PGND ₁₀
20 NC
19 SW
18 SW
17 SW
16 OV
15 ^VDD_5V
14 COMP
13 Sense+
12 Sense-
11 PGND
X: Internal Code
Y: Year
WW: Week
LL: Internal Code
Pin Number
QFN 6x6-40
TSSOP-20
1-6
1,2,3,4,10,11
8
5
9
6
10
7
12
8
13
9
14
12
15
13
17
14
21
15
23
16
25-30
17,18,19
7,11,16,18-20,22,24,31-40
20
Name
PGND
HVIN
EN
VDD-DR
RT
AGND
Sense-
Sense+
COMP
VDD_5V
OV
SW
NC
Description
Power Ground
Input
Chip Enable, Active High
Internal LDO Output
Frequency Adjustment Pin
Analog Ground
Sense resistor -
Sense resistor +
Compensation Node
Internal LDO Output
Over Voltage
Drain of Main Switch.
No Connect
Power Analog Microelectronics,Inc
www.poweranalog.com
4
09/2008 Rev 1.1