ISL8225M
Electrical Specifications
T
= +25°C, V = 12V, unless otherwise noted. Boldface limits apply over the internal junction temperature
IN
A
range, -40°C to +125°C (Note 4). (Continued)
MIN
TYP
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
= 5V; -40°C < T < +85°C
(Note 7) (Note 8) (Note 7) UNITS
Total Variation (Note 9)
V
-9
+9
1500
90
%
CC
A
FREQUENCY SYNCHRONIZATION AND PHASE LOCK LOOP (Note 9)
Synchronization Frequency
PLL Locking Time
V
= 5V
150
10
kHz
µs
%
CC
CC
V
= 5.4V, f
= 500kHz
130
SW
Input Signal Duty Cycle Range
PWM (Note 9)
Minimum PWM OFF Time
Current Sampling Blanking Time
OUTPUT CHARACTERISTICS
Output Continuous Current Range
t
310
345
175
410
ns
ns
MIN_OFF
t
BLANKING
I
V
V
V
= 12V, V
= 12V, V
= 12V, V
= 1.5V
= 1.5V
0
0
0
15
15
30
A
A
A
OUT(DC)
IN
IN
IN
OUT1
OUT2
= 1.5V, in Parallel mode
OUT
Line Regulation Accuracy
ΔV
/ΔV
V
= 4.5V to 20V
OUT
IN IN
V
= 1.5V, I
= 1.5V, I
= 0A
= 0A
0.0065
0.0065
%
%
OUT1
OUT2
OUT1
OUT2
V
V
= 4.5V to 20V
IN
V
= 1.5V, I
= 1.5V, I
= 15A
= 15A
0.01
0.01
%
%
OUT1
OUT2
OUT1
OUT2
V
Load Regulation Accuracy
Output Ripple Voltage
ΔV
/V
V
= 12V, 5x22µF, 2x4.7µF ceramic capacitor and
OUT OUT IN
1x330µF POSCAP
I
I
= 0A to 15A, V
= 0A to 15A, V
= 1.5V
= 1.5V
1
1
%
%
OUT1
OUT2
OUT1
OUT2
ΔV
OUT
V
= 12V, 3x100µF ceramic capacitor and
IN
1x330µF POSCAP
I
I
I
I
= 0A, V
= 0A, V
= 1.5V
= 1.5V
11
11
14
14
mV
OUT1
OUT2
OUT1
OUT2
OUT1
P-P
P-P
P-P
P-P
mV
mV
mV
OUT2
= 15A, V
= 1.5V
= 1.5V
OUT1
OUT2
= 15A, V
DYNAMIC CHARACTERISTICS
Voltage Change for Positive Load Step
ΔV
Current slew rate = 2.5A/µs
= 12V, V = 1.5V, 2x47µF ceramic capacitor
OUT-DP
V
IN
OUT
and 1x330µF POSCAP
I
I
= 0A to 7.5A
= 0A to 7.5A
75
75
mV
mV
OUT1
OUT2
P-P
P-P
Voltage Change for Negative Load Step
ΔV
Current slew rate = 2.5A/µs
= 12V, V = 1.5V, 2x47µF ceramic capacitor
OUT-DN
V
IN
OUT
and 1x330µF POSCAP
I
I
= 7.5A to 0A
= 7.5A to 0A
70
70
mV
mV
OUT1
OUT2
P-P
P-P
REFERENCE (Note 9)
Reference Voltage (Include Error and
Differential Amplifier Offsets)
V
T
= -40°C to +85°C
0.6
V
REF1
A
-0.7
0.7
%
FN7822.1
January 31, 2013
7
INTERSIL [ Intersil ]
