zl2103 Intersil Corporation, zl2103 Datasheet - Page 4

• Manufacturer Part Number: zl2103
• Description: 3a Digital-dc Synchronous Step-down Dc/dc Converter
• Manufacturer: Intersil Corporation

Pin Descriptions
NOTES:
Ordering Information
NOTES:
ZL2103ALAF
ZL2103ALAFT (Note 3)
ZL2103ALAFTK (Note 3)
ZL2103EVAL1Z
1. I = Input, O = Output, PWR = Power or Ground, M = Multi-mode pins. Please refer to Section “Multi-mode Pins” on page 12.
2. The SYNC pin can be used as a logic pin, a clock input or a clock output.
3. Please refer to
4. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
5. For Moisture Sensitivity Level (MSL), please see device information page for ZL2103. For more information on MSL please see techbrief TB363.
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
ePad
PIN
32
33
34
35
36
31
PART NUMBER
(Notes 4, 5)
LABEL
SGND
V2P5
MGN
TB347
DDC
VRA
VR
EN
for details on reel specifications.
(Note 1)
TYPE
PWR
PWR
PWR
PWR
I/O
4
I
I
(Continued)
Regulated bias from internal 5V low-dropout regulator for internal analog circuitry (return is SGND).
Exposed thermal pad. Common return for analog signals. Connect to low impedance ground plane.
Regulated bias from internal 7V low-dropout regulator (return is PGND). Decouple with a 4.7µF capacitor to
PGND.
Decouple with a 4.7µF capacitor to SGND.
Regulated bias from internal 2.5V low-dropout regulator for internal digital circuitry (return is DGND).
Decouple with a 10µF capacitor.
Digital-DC Bus (open drain). Interoperability between Zilker Labs devices.
Margin pin. Used to enable margining of the output voltage.
Enable pin. Used to enable the device (active high).
2103
2103
2103
Evaluation Board
MARKING
PART
ZL2103
TEMP RANGE
-40 to +85
-40 to +85
-40 to +85
(°C)
DESCRIPTION
36 Ld 6mmx6mm QFN
36 Ld 6mmx6mm QFN
36 Ld 6mmx6mm QFN
PACKAGE
(Pb-free)
L36.6x6C
L36.6x6C
L36.6x6C
DWG. #
PKG.
May 3, 2011
FN6966.5