zl2005 Intersil Corporation, zl2005 Datasheet - Page 8

• Manufacturer Part Number: zl2005
• Description: Digital-dc? Integrated Power Management And Conversion Ic
• Manufacturer: Intersil Corporation

2
Table 4. Pin Descriptions
NOTES:
1. I = Input, O = Output, PWR = Power or Ground, M = Multi-mode pin (refer to Section 4.4, “Multi-mode Pins,” )
2. The SYNC pin can be used as a logic pin, a clock input or a clock output.
3. V
Pin
10
11
12
13
14
1
2
3
4
5
6
7
8
9
DD
Pin Descriptions
is measured internally and the value is used to modify the PWM loop gain.
SALRT
DGND
UVLO
SYNC
ILIM0
ILIM1
Label
SDA
SCL
SA0
SA1
FC0
FC1
V0
V1
I/O, M
Type
PWR
I, M
I, M
I, M
I, M
8
I/O
I/O
O
I
I
SALRT
DGND
1
SYNC
ILIM1
ILIM0
2
SDA
SCL
SA0
SA1
Digital ground. Connect to low impedance ground plane.
Clock synchronization input. Used to set the frequency of the internal switch
clock, to sync to an external clock or to output internal clock.
Serial address select pins. Used to assign unique address for each individual
device or to enable certain management features.
Current limit select. Sets the overcurrent threshold voltage for ISENA, ISENB.
Serial clock. Connect to external host and/or to other ZL2005s.
Serial data. Connect to external host and/or to other ZL2005s.
Serial alert. Connect to external host if desired.
Loop compensation selection pins.
Output voltage selection pins. Used to set V
Undervoltage lockout selection. Sets the minimum value for V
enable V
Figure 3. Pin Assignments (top view)
1
2
3
4
5
6
7
8
9
OUT
Exposed Paddle
Connect to SGND
.
36-Pin MLF
6 x 6 mm
ZL2005
Description
19
27
26
25
24
23
22
21
20
VDD
BST
GH
SW
PGND
GL
VR
ISENA
ISENB
OUT
setpoint and V
DD
OUT
voltage to
max.
February 18, 2009
FN6848.0