ISL8033AIRZ Intersil, ISL8033AIRZ Datasheet - Page 7

• Manufacturer Part Number: ISL8033AIRZ
• Description: IC REG SYNC BUCK DUAL 3A 24QFN
• Manufacturer: Intersil
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of ISL8033AIRZ

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 V ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 2.5MHz
• Voltage - Input: 2.85 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
T
Boldface limits apply over the operating temperature range, -40°C to +85°C.
NOTES:
Positive Peak Overcurrent Limit
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
A
6. The operational frequency per switching channel will be half of the SYNC frequency.
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
= -40°C to +85°C, V
PARAMETER
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
I
I
I
I
I
I
R
SYNC
poc1
poc2
poc1
poc2
poc1
poc2
noc1
noc2
SYNC
I
F
EN
DIS
S
ISL8033, ISL8033A
ISET = VDD
ISET = Float
ISET = GND
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
O
O
= 200mA
= 200mA
O
O
TEST CONDITIONS
= 200mA
= 200mA
(Continued)
OUT1
= I
OUT2
= 0A to 3A. Typical values are at T
(Note 7)
0.88
2.15
2.64
89.5
MIN
-3.5
-3.5
4.1
4.1
4.1
2.7
2.7
2.7
1.5
80
85
0.01
100
180
100
150
TYP
-2.5
-2.5
4.8
4.8
4.8
3.3
3.3
3.3
1.1
2.5
0.1
0.1
0.1
50
70
50
70
92
88
25
1
7
(Note 7)
MAX
1.32
2.85
94.5
-1.5
-1.5
100
100
140
120
5.5
5.5
5.5
3.9
3.9
3.9
0.3
0.1
0.4
75
75
91
10
6
1
1
1
A
March 24, 2011
= +25°C.
UNITS
MHz
MHz
MHz
mΩ
mΩ
mΩ
mΩ
ms
µA
µA
µA
µA
°C
°C
FN6854.2
µs
ns
%
Ω
%
%
A
A
A
A
A
A
A
A
°
V
V
V