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ZL2102_14 Datasheet, PDF (6/58 Pages) Intersil Corporation – 6A Digital Integrated Synchronous Step-Down DC/DC Regulator with Auto Compensation
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ZL2102
Electrical Specifications VDDP = VDDS = 12V, TA = -40°C to +85°C unless otherwise noted (Note 9). Typical values are at
TA = +25°C. Boldface limits apply across the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 8)
TYP
(Note 8)
UNIT
LOGIC INPUT/OUTPUT CHARACTERISTICS
Logic Input Leakage Current
Logic I/O - multimode pins
-250
–
250
nA
Logic Input Low, VIL
Logic input Open (N/C)
Multimode logic pins
–
–
0.8
V
–
1.4
–
V
Logic Input High, VIH
Logic Output Low, VOL
IOL ≤ 4mA
Logic Output High, VOH
IOH ≥ -2mA
OSCILLATOR AND SWITCHING CHARACTERISTICS
2.0
–
–
V
–
–
0.4
V
2.25
–
–
V
Switching Frequency Range
200
-
1000
kHz
Switching Frequency Set-Point Accuracy
-5
-
5
%
PWM Duty Cycle
0
-
95
%
Minimum SYNC Pulse Width
150
-
-
ns
Input Clock Frequency Drift Tolerance
External clock source
-13
-
13
%
rDS(ON) of High-Side N-channel FETs
rDS(ON) of Low-Side N-channel FETs
SMBUS CHARACTERISTICS
ISW = 6A, VGS = 6.5V
ISW = 6A, VGS = 12V
-
60
85
mΩ
-
43
65
mΩ
SMBus Clock Rate
-
100
-
kHz
Wait Time Between Consecutive Commands
2
-
-
ms
SOFT-START RAMP CHARACTERISTICS
Soft-Start Ramp Delay Range
Soft-Start Ramp Delay Accuracy
Soft-Start Ramp Duration Range
Soft-Start Ramp Duration Accuracy
POWER-GOOD
Power-Good VOUT Threshold
Power-Good VOUT Hysteresis
Power-Good Delay
Applies to Turn-On Only (Low-to-High transition)
POWER MANAGEMENT
Set using PMBus command
Turn-on, turn off delay
Set using PMBus command
Turn-on, turn off delay
Factory default
Factory default
Factory default
Set using PMBus command
5
-
30000
ms
-1
±1
+5
ms
5
-
200
ms
-
±1
-
ms
-
90
-
% VOUT
-
5
-
%
-
1
-
ms
1
30000
ms
MONITORING AND FAULT MANAGEMENT
INPUT VOLTAGE MONITOR AND FAULT DETECTION
VIN Monitor Accuracy
VIN UVLO Threshold Range
UVLO Hysteresis
Set using PMBus command
Factory default
-150
-
150
mV
4.5
-
16
V
-
3
-
%
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6
FN8440.2
November 20, 2014
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