参数资料
型号: ISL97702IRZ-T7
厂商: Intersil
文件页数: 3/13页
文件大小: 0K
描述: IC REG BOOST ADJ 0.13A DL 10DFN
标准包装: 1,000
类型: 升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 可调至 28V
输入电压: 2.3 V ~ 5.5 V
频率 - 开关: 1MHz
电流 - 输出: 130mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
ISL97702
Absolute Maximum Ratings (T A = 25°C)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6V
V OUT to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 31V
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V OUT +1V
VDDOUT, NSYNC, FB0, FB1, SEL, NEN
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD+0.3V
Continuous Current in VDD, GND, VDDOUT, LX . . . . . . . . . 650mA
Continuos Current in NSYNC, FB0, FB1, SEL, NEN. . . . . . . . 10mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
T A Ambient Operating Temperature. . . . . . . . . . . . .-40°C to +85°C
T J Operating Junction Temperature. . . . . . . . . . . . . . . . . . . +125°C
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.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed.
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
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
SUPPLY
VDD
Supply Operating Voltage Range
2.3
5.5
V
I DIS
Supply Current when Disabled
NEN = VDD
0.1
3
μA
LOGIC INPUTS – NEN, NSYNC, SEL
Rup
I IL
Pull-up Resistor
Leakage Current when Disabled
Enabled, Input at GND
Disabled, Input at GND
150
-1
250
350
1
k ?
μA
VHI
VLO
Logic High Threshold
Logic Low Threshold
1.8
0.7
V
V
POWER-ON RESET – VDD
V RES_ON
Power On Reset Threshold
VDD rising
2.2
2.3
V
V RES_OFF
Power Off Threshold
VDD falling
1.9
2
V
LX OUTPUT DRIVER
fosc
LX Switching Frequency with Internal
0.9
1
1.1
MHz
Oscillator
fsync
LX Switching Frequency when
Externally Synchronized at NSYNC
f
(NSYNC)
-
ton-min
toff-min
Minimum On-Time
Minimum Off-time
FB1 = 0V, I(LX) > Ilim(LX)
FB1 = 0V, I(LX) < Ilim(LX)
60
60
ns
ns
( ≥ Maximum Duty Cycle)
Ron
LX On-Resistance
I(LX) = 100mA
0.4
?
Ileak
Ipeak
LX Leakage Current
LX Peak Current Limit
NEN = VDD, V(LX) = 30V
t > 8.32ms (end of soft-start)
1
1200
5
μA
mA
SCHOTTKY DIODE – LX, V OUT
Vdiode
Forward Voltage from LX to V OUT
I = 10mA, T A = +25°C
I = 10mA, T A = -40°C to +85°C
0.4
0.3
0.5
0.5
0.6
0.7
V
V
FEEDBACK INPUTS AND SELECTION – FB0, FB1, SEL
Vref FB0
Vref FB1
I FB0
I FB1
Input Reference Voltage on FB0
Input Reference Voltage on FB1
Input Current in FB0
Input Current in FB1
SEL = GND, T A = +25°C
SEL = GND, T A = -40°C to +85°C
SEL = VDD, T A = +25°C
SEL = GND, T A = -40°C to +85°C
SEL = GND, FB0 = 1.3V
SEL = VDD, FB1 = 1.3V
1.13
1.12
1.135
1.125
-0.2
-0.2
1.15
1.15
1.15
1.15
1.17
1.18
1.165
1.175
0.2
0.2
V
V
V
V
μA
μA
3
FN7462.0
October 13, 2005
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