ZL2004-01
4
FN6847.2
May 23, 2011
Absolute Maximum Ratings (Note 8) Thermal Information
DC Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 17V
Logic I/O Voltage
CFG, DDC, EN, FC, FLEX, ILIM, MGN, PG, SA (0,1)
SALRT, SCL, SDA, SS, SYNC, VMON, V (0,1) . . . . . . . . . . . . -0.3V to 6.5V
Analog Input Voltages
VSEN+, VSEN-, VTRK, XTEMP . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
ISENA, ISENB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
MOSFET Drive Reference (VR). . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
Logic reference (V25). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 3V
Ground Voltage Differential (V
DGND
- V
SGND
)
DGND, SGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Thermal Resistance (Typical)
JA
(°C/W)
JC
(°C/W)
32 Ld QFN Package (Notes 9, 10) . . . . . . . 35 5
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Input Supply Voltage Range, (V
DD
). . . . . . . . . . . . . . . . . . . . . . . . . 8V to 10V
Output Voltage Range (V
OUT
) . . . . . . . . . . . . . . . . . 0.9V to 1.1V, 1.0V (Typ)
Operating Frequency (F
SW
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400kHz Typ
Operating Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . 0°C to +65°C
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:
8. All voltages are measured with respect to SGND.
9.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379
.
10. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications V
DD
= 8.6 V, V
OUT
= 1.0 V, T
A
= 0°C to +65°C unless otherwise noted. Typical values are at T
A
= +25°C. The
following specifications describe the ZL2004-01 electrical specifications that differ from the ZL2004. Please refer to the ZL2004 data sheet for the full
operating specification limits for the remaining functions not described herein. Boldface limits apply over the operating temperature range, 0°C to
+65°C.
PARAMETER CONDITIONS
MIN
(Note 11) TYP
MAX
(Note 11) UNIT
INPUT AND SUPPLY CHARACTERISTICS
I
DD
Supply Current at F
SW
= 400kHz GH no load, GL no load,
MISC_CONFIG[7] = 1
–1630 mA
I
DDS
Shutdown Current EN = 0V No I
2
C/SMBus activity – 2 5 mA
VR Reference Output Voltage V
DD
> 6V, I
VR
< 50mA 4.5 5.2 5.7 V
V25 Reference Output Voltage V
R
> 3V, I
V25
< 50mA 2.25 2.5 2.75 V
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range V
IN
> V
OUT
0.9 – 1.1 V
Output Voltage Setpoint Accuracy (Note 12) V
IN
= 8.6V, V
OUT
= 1V
T
A
= 0°C to + 65°C,
I
LOAD
= 0A to 40A
-0.2 – 0.2 %
PMBus READ_VOUT Accuracy -1.0 - 1.0 %
OSCILLATOR AND SWITCHING CHARACTERISTICS
Switching Frequency (Note 13) SYNC pin floating or NVM configured for
400kHz
– 400 – kHz
Switching Frequency Set-point Accuracy - 5 – 5 %
FAULT PROTECTION CHARACTERISTICS
UVLO Threshold Range Configurable via I
2
C/SMBus 2.85 – 16 V
NOTES:
11. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
12. V
OUT
set-point measured at the termination of the VSEN+ and VSEN- sense points.
13. The ZL2004-01 has been optimized for operation at 400kHz only. Please consult the factory for requirements at other operating frequencies.
