zl2103 Intersil Corporation, zl2103 Datasheet - Page 6

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

Absolute Maximum Ratings
DC Supply Voltage for VDDP, VDDS Pins . . . . . . . . . . . . . . . . . . -0.3V to 17V
High-Side Supply Voltage for BST Pin. . . . . . . . . . . . . . . . . . . . . -0.3V to 25V
High-Side Boost Voltage for BST - SW Pins . . . . . . . . . . . . . . . . . -0.3V to 8V
Internal MOSFET Reference for VR Pin . . . . . . . . . . . . . . . . . . -0.3V to 8.5V
Internal Analog Reference for VRA Pin . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
Internal 2.5 V Reference for V2P5 Pin. . . . . . . . . . . . . . . . . . . . . -0.3V to 3V
Logic I/O Voltage for EN, CFG, DDC, FC, MGN, PG, SDA, SCL,
Ground Differential for DGND - SGND,
MOSFET Drive Reference Current for for VR Pin
Switch Node Current for SW Pin
ESD Rating
Latch-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tested to JESD78
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
Electrical Specifications
Boldface limits apply over the operating temperature range, -40°C to +85°C.
Input and Supply Characteristics
I
I
VR Reference Output Voltage
VRA Reference Output Voltage
V2P5 Reference Output Voltage
Output Characteristics
Output Current
Output Voltage Adjustment Range (Note 11)
Output Voltage Setpoint Resolution
Vsen Output Voltage Accuracy
Vsen Input Bias Current
Soft-start Delay Duration Range (Note 13)
6. θ
7. For θ
8. Thermal impedance depends on layout.
9. Includes margin limits.
DD
DDS
SA, SALRT, SS, SYNC, VTRK, VSET, VSEN Pins . . . . . . . . . . . . . . . . -0.3V to 6.5V
PGND - SGND Pins
Internal Bias Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Peak (Sink Or Source) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V
Supply Current
Brief TB379.
Shutdown Current
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V
6
V
DDP
= V
DDS
= 12V, T
f
f
EN = 0V, No I
V
V
I
I
V
Set using resistors
Set using I
Includes line, load, temp
VSEN = 5.5V
Set using SS pin or resistor
Set using I
SW
SW
V2P5
RMS
DD
DD
IN
> V
= 200kHz, no load
= 1MHz, no load
> 8V, I
> 5.5V, I
, Continuous
< 20mA
A
OUT
= -40°C to +85°C unless otherwise noted. (Note 10) Typical values are at T
VR
2
2
C/SMBus
C/SMBus
ZL2103
VRA
CONDITIONS
2
< 10mA
C/SMBus activity
< 20mA
Thermal Information
Thermal Resistance (Typical)
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Dissipation Limits (Note 8)
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
Recommended Operating Conditions
Input Supply Voltage Range, VDDP, VDDS (See Figure 13)
Output Voltage Range, V
Operating Junction Temperature Range, T
36 Ld QFN (Notes 6, 7) . . . . . . . . . . . . . . . .
T
T
T
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
VDDS tied to VR, VRA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 5.5V
VDDS tied to VR, VRA Floating . . . . . . . . . . . . . . . . . . . . . . . . 5.5V to 7.5V
VR, VRA Floating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.5V to 14V
A
A
A
= +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5W
= +55°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5W
= +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4W
(Note 20)
0.002
2.25
MIN
6.5
4.5
0.6
-1
2
-
-
-
-
-
-
-
OUT
(Note 9) . . . . . . . . . . . . . . . . . . . . 0.54V to 5.5V
±0.025
110
TYP
0.6
7.0
5.1
2.5
11
15
10
-
-
-
-
-
J
. . . . . . . . . . . . .-40°C to +125°C
θ
JA
(Note 20)
(°C/W)
MAX
2.75
200
500
28
5.5
5.0
7.5
20
30
20
1
3
1
-
-
θ
A
JC
(Note 12)
= +25°C.
May 3, 2011
(°C/W)
% FS
FN6966.5
UNIT
mA
mA
mA
mV
ms
µA
1
%
V
V
V
A
V
s