參數(shù)資料
型號(hào)： ISL97536IUZ
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Monolithic 1A Step-Down Regulator with Low Quiescent Current
中文描述： 1.5 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO10
封裝： ROHS COMPLIANT, MSOP-10
文件頁(yè)數(shù)： 2/9頁(yè)
文件大?。?/td> 265K
代理商： ISL97536IUZ
2
FN6279.0
October 5, 2006
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are
at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
Absolute Maximum Ratings
(T
A
= +25°C)
V
IN
, V
DD
, PG to SGND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
LX to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (V
IN
+ +0.3V)
SYNC, EN, V
O
, FB to SGND. . . . . . . . . . . . . -0.3V to (V
IN
+ +0.3V)
PGND to SGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Continuous Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A
Thermal Information
Thermal Resistance (Typical, Note 1)
MSOP10 Package . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+125°C
θ
JA
(°C/W)
130
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
V
DD
= V
IN
= V
EN
= 3.3V, C1 = C2 = 10μF, L = 1.8μH, V
O
= 1.8V (as shown in Typical Application Diagram),
T
A
= -40°C to +85°C unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
DC CHARACTERISTICS
V
FB
Feedback Input Voltage
790
800
810
mV
I
FB
Feedback Input Current
250
nA
V
IN
, V
DD
Input Voltage
2.5
6
V
V
IN,OFF
Minimum Voltage for Shutdown
V
IN
falling, T
A
= +25°C only
2
2.2
V
V
IN,ON
Maximum Voltage for Start-up
V
IN
rising, T
A
= +25°C only
2.2
2.4
V
I
DD
Supply Current
V
IN
= V
DD
= 5V
400
500
μA
EN = 0, V
IN
= V
DD
= 5V
0.1
3
μA
R
DS(ON)-PMOS
PMOS FET Resistance
V
DD
= 5V, T
A
= +25°C
70
m
R
DS(ON)-NMOS
NMOS FET Resistance
V
DD
= 5V, T
A
= +25°C
45
m
I
LMAX
Current Limit
1.5
A
T
OT,OFF
Over-temperature Threshold
T rising
145
°C
T
OT,ON
Over-temperature Hysteresis
T falling
130
°C
I
EN
, I
RSI
EN, RSI Current
V
EN
, V
RSI
= 0V and 3.3V
-1
1
μA
V
EN1
, V
RSI1
EN, RSI Rising Threshold
V
DD
= 3.3V
2.4
V
V
EN2
, V
RSI2
EN, RSI Falling Threshold
V
DD
= 3.3V
0.8
V
V
POR
Minimum V
FB
for POR, WRT Targeted
V
FB
Value
V
FB
rising
95
%
V
FB
falling
86
%
V
OLPOR
POR Voltage Drop
I
SINK
= 3.3mA
35
70
mV
AC CHARACTERISTICS
F
PWM
PWM Switching Frequency
1.25
1.4
1.6
MHz
t
RSI
Minimum RSI Pulse Width
Guaranteed by design
25
50
ns
t
SS
Soft-Start Time
650
μs
t
POR
Power On Reset Delay Time
80
100
120
ms
ISL97536
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