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參數(shù)資料
| 型號(hào)： | ISL8010IUZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Monolithic 600mA Step-Down Regulator with Low Quiescent Current |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | ROHS COMPLIANT, MSOP-10 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 543K |
| 代理商： | ISL8010IUZ |
2
FN6191.0
September 27, 2005
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
NOTE:
1.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
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.
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
Peak Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mA
Thermal Information
Thermal Resistance (Typical)
MSOP10 Package (Note 1) . . . . . . . . . . . . . . . . . . .
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.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
DC CHARACTERISTICS
V
FB
Feedback Input Voltage
PWM Mode
790
800
810
mV
I
FB
Feedback Input Current
100
nA
V
IN
, V
DD
Input Voltage
T
A
= 25°C only
2.5
5.5
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
2.2
2.4
V
I
S
Input Supply Quiescent Current
Active - PFM Mode
V
SYNC
= 0V
120
145
μA
Active - PWM Mode
V
SYNC
= 3.3V
6.5
7.5
mA
I
DD
Supply Current
PWM, 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
100
m
R
DS(ON)-NMOS
NMOS FET Resistance
V
DD
= 5V, T
A
= 25°C
45
75
m
I
LMAX
Current Limit
1.2
A
T
OT,OFF
Over-temperature Threshold
T rising
145
°C
T
OT,ON
Over-temperature Hysteresis
T falling
130
°C
I
EN
, I
SYNC
EN, SYNC Current
V
EN
, V
RSI
= 0V and 3.3V
-1
1
μA
V
EN1
, V
SYNC1
EN, SYNC Rising Threshold
V
DD
= 3.3V
2.4
V
V
EN2
, V
SYNC2
EN, SYNC Falling Threshold
V
DD
= 3.3V
0.8
V
V
PG
Minimum V
FB
for PG, WRT Targeted V
FB
Value
V
FB
rising
95
%
V
FB
falling
86
%
V
OLPG
PG Voltage Drop
I
SINK
= 3.3mA
35
70
mV
AC CHARACTERISTICS
F
PWM
PWM Switching Frequency
1.25
1.4
1.6
MHz
t
SS
Soft-start Time
650
μs
ISL8010
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