參數(shù)資料
型號(hào): ISL97702IRZ-T13
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Boost with Dual Reference Outputs
中文描述: 1.2 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, DSO10
封裝: 3 X 3 MM, ROHS COMPLIANT, MO-229, DFN-10
文件頁(yè)數(shù): 4/13頁(yè)
文件大?。?/td> 489K
代理商: ISL97702IRZ-T13
4
FN7462.0
October 13, 2005
R
FB0
FB0 Pull-Down Switch Resistance
SEL = VDD, I
FB0
= 10mA
15
25
R
FB1
FB1 Pull-Down Switch Resistance
SEL = GND, I
FB1
= 10mA
15
25
SYNCHRONIZATION INPUT – NSYNC
f
NSYNC
External Sync. Frequency Range
600
1400
kHz
td
NSYNC
NSYNC Falling Edge to LX Falling Edge
Delay
f
NSYNC
= 600kHz
80
100
ns
OVERVOLTAGE DETECTOR - V
OUT
V
OUT
Overvoltage Threshold
FB1 = GND
31
35
V
OVERCURRENT DETECTOR
I
OCTVDDOUT
Overcurrent Threshold
t > 2.048ms, DC current
800
mA
OVER-TEMPERATURE DETECTOR
t
off
Shut-Down Temperature Threshold
T rising
135
°C
t
on
Turn-On Temperature Threshold
T falling
100
°C
FAULT SWITCH – VDD, VDDOUT
Ron
FS
On-Resistance from VDD to VDDOUT
IOUT = 50mA, t > 2.048ms
0.2
Ileak
VDDOUT
Leakage Current
VDDOUT = 0V
0.01
3
μA
I
SS_VDDOUT
Soft Inrush Current Source at VDDOUT
VDD-VDDOUT = 0.5V, ton < 2.048ms
50
mA
REGULATION
ACC
Output Voltage Accuracy, Assuming
Resistor Divider Tolerances of 0.1% or
Better
IOUT = 10mA, T
A
= +25°C
-1.5
1.5
%
IOUT = 10mA, T
A
= -40°C to +85°C
-2.5
2.5
%
V
OUT
/
IOUT
Load Regulation
IOUT = 0mA to 50mA
0.05
%
V
OUT
/
VDD
Line Regulation
VDD = 3.6V to 2.6V, IOUT = 30mA
0.1
%/V
Electrical Specifications
VDD = 3.6V, GND = NEN = 0V, SEL = NSYNC = VDD, R1 = 390K, R2 = 39K, R3 = 26.1K,
L = 10μH, T
A
= -40°C to +85°C unless otherwise stated
(Continued)
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
ISL97702
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ISL97702IRZ-T7 Boost with Dual Reference Outputs
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