ISL8033A INTERSIL [Intersil Corporation], ISL8033A Datasheet - Page 7

• Manufacturer Part Number: ISL8033A
• Description: Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
T
values are at T
NOTES:
Negative Peak Overcurrent Limit
LX1, LX2
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
LX_ Maximum Duty Cycle
PWM Switching Frequency
Synchronization Range
Channel 1 to Channel 2 Phase Shift
LX Minimum On-Time
Soft Discharge Resistance
LX Leakage Current
PG1, PG2
Output Low Voltage
PG_ Pin Leakage Current
Internal PGOOD Low Rising Threshold
Internal PGOOD Low Falling Threshold
Delay Time (Rising Edge)
Internal PGOOD Delay Time (Falling
Edge)
EN1, EN2, SYNC
Logic Input Low
Logic Input High
SYNC Logic Input Leakage Current
Enable Logic Input Leakage Current
Thermal Shutdown
Thermal Shutdown Hysteresis
7. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established
A
6. The operational frequency per switching channel will be half of the SYNC frequency.
= -40°C to +85°C, V
by characterization and are not production tested.
PARAMETER
A
= +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
IN
= 3.6V, EN1 = EN2 = VDD, L = 1.5µH, C1 = C2 = C4 = 2x22µF, I
7
Unless otherwise noted, the typical specifications are measured at the following conditions:
SYMBOL
F
I
I
I
R
SYNC
SYNC
noc1
noc2
I
F
DIS
EN
S
ISL8033, ISL8033A
VIN = 6V, I
VIN = 2.85V, I
VIN = 6V, I
VIN = 2.85V, I
ISL8033
ISL8033A
ISL8033 (Note 6)
Rising edge to rising edge timing
SYNC = High (forced PWM mode)
EN = LOW
Pulled up to 6V
Sinking 1mA, VFB = 0.7V
PG = VIN = 6V
Percentage of nominal regulation voltage
Percentage of nominal regulation voltage
Pulled up to 6V
Pulled up to 6V
TEST CONDITIONS
O
O
= 200mA
= 200mA
O
O
= 200mA
= 200mA
(Note 7) TYP
OUT1
0.88
2.15
2.64
89.5
MIN
-3.5
-3.5
1.5
80
85
= I
0.01
-2.5
-2.5
100
180
100
150
1.1
2.5
0.1
0.1
0.1
OUT2
50
70
50
70
92
88
25
1
7
(Note 7)
= 0A to 3A. Typical
MAX
1.32
2.85
94.5
-1.5
-1.5
100
100
140
120
0.3
0.1
0.4
75
75
91
10
6
1
1
1
October 21, 2010
UNITS
MHz
MHz
MHz
mΩ
mΩ
mΩ
mΩ
ms
µA
µA
µA
µA
µs
°C
°C
FN6854.1
%
ns
%
%
Ω
A
A
°
V
V
V