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ISL9307IRTAANWEV1Z Datasheet(PDF) 6 Page - Intersil Corporation

Part # ISL9307IRTAANWEV1Z
Description  3MHz Dual 1500mA Step-Down Converters and Dual Low-Input LDOs
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL9307IRTAANWEV1Z Datasheet(HTML) 6 Page - Intersil Corporation

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ISL9307
6
FN7931.3
September 20, 2012
P-Channel MOSFET ON-resistance
VIN = 3.6V, IO = 200mA
-
0.14
0.20
VIN = 2.3V, IO = 200mA
-
0.24
0.40
N-Channel MOSFET ON-resistance
VIN = 3.6V, IO = 200mA
-
0.11
0.20
VIN = 2.3V, IO = 200mA
0.18
0.34
P-Channel MOSFET Peak Current Limit
IPK
2.1
2.5
2.75
A
SW Maximum Duty Cycle
-100
-
%
SW Leakage Current
VIN = 5.5V
-
0.005
1
µA
PWM Switching Frequency
fS
2.6
3.0
3.4
MHz
SW Minimum ON-time
VFB = 0.75V
-
70
-
ns
Bleeding Resistor
-
115
-
LDO1 AND LDO2
VINLDO Supply Voltage
No higher than VINDCD1
1.5
-
5.5
V
VINLDO Undervoltage Lock-out
Threshold
VUVLO
VINDCD1 = 2.3V, Rising
-
1.41
1.46
V
VINDCD1 = 2.3V, Falling
1.33
1.37
-
V
Internal Peak Current Limit
350
425
540
mA
Dropout Voltage
IO = 300mA, VO ≤ 2.1V
-
125
250
mV
IO = 300mA, 2.1V < VO ≤ 2.8V
-
100
200
mV
IO = 300mA, VO > 2.8V
-
80
170
mV
Power Supply Rejection Ratio
IO= 300mA @ 1kHz, VIN = 3.6V, VO = 2.6V,
TA = +25°C
-55
-
dB
Output Voltage Noise
VIN = 4.2V, IO = 10mA, TA = +25°C, BW = 10Hz
to 100kHz
-45
-
µVRMS
ENABLE PIN LOGIC
ENDCD1, ENDCD2, ENLDO1, ENLDO2
Pin Logic High
1.4
V
ENDCD1, ENDCD2, ENLDO1, ENLDO2
Pin Logic Low
0.4
V
Enable Pin Leakage Current
0.05
1
µA
NOTE:
5. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Electrical Specifications Unless otherwise noted, typical specifications are measured at the following conditions: TA = +25°C,
VINDCD1 = 3.6V, VINDCD2 = 3.3V. For LDO1 and LDO2, VINLDO = VOLDO + 0.5V to 5.5V with VINLDO always no higher than VINDCD1.
L1 = L2 = 1.5µH, C1 = C4 = C5 = 10µF, C2 = C6 = C7 = 1µF, IOUT = 0A for DCD1, DCD2, LDO1 and LDO2 (see Figure 1 on page 1 for more details).
Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 5)
TYP
MAX
(Note 5)
UNIT


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