参数资料
型号: ISL97686IBZ-T
厂商: Intersil
文件页数: 6/23页
文件大小: 0K
描述: IC LED DRVR BACKLIGHT 28SOIC
标准包装: 1,000
拓扑: 线性(LDO),PWM,升压(升压)
输出数: 4
内部驱动器:
类型 - 主要: 汽车,背光,通用型
频率: 200kHz ~ 1.2MHz
电源电压: 9 V ~ 32 V
输出电压: 75V
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC
包装: 带卷 (TR)
工作温度: -40°C ~ 105°C
ISL97686
Absolute Maximum Ratings
(T A = +25°C)
Thermal Information
VIN, EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 45V
VDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 5.75V
VLOGIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.75V
COMP, ISET1, ISET2, PWM_SET,
OSC, CS, OVP. . . . . . . . . . . . . . . . . . . . . . .-0.3V to min (VDC+0.3V, 5.75V)
EN_VSYNC, CSEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 5.75V
CLK, SDI, SDO, CS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 5.75V
CH1 - CH4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 75V
GD, SLEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 18V
PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Above voltage ratings are all with respect to AGND pin
ESD Rating
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . . . 2kV
Machine Model (Tested per JESD22-A115C) . . . . . . . . . . . . . . . . . . 200V
Charged Device Model (JESD22-C101E) . . . . . . . . . . . . . . . . . . . . . . . 1kV
Latch Up (Tested per JESD-78B; Class 2, Level A) . . . . . . . . . . . . . . 100mA
Thermal Resistance θ JA (°C/W) θ JC (°C/W)
28 Ld TQFN (4 layer + vias, Notes 4, 6) . . . 32 4
28 Ld SOIC (4 layer, Notes 5, 7) . . . . . . . . . 54 25
Thermal Characterization (Typical, Note 8) PSI JT (°C/W)
28 Ld TQFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
28 Ld SOIC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum Continuous Junction Temperature . . . . . . . . . . . . . . . . .+125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Power Dissipation TQFN (W) SOIC (W)
T A < +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . 3.13 1.85
T A < +70°C . . . . . . . . . . . . . . . . . . . . . . . . . . 1.72 1.02
T A < +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 0.74
T A < +105°C . . . . . . . . . . . . . . . . . . . . . . . . 0.63 0.37
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. 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 .
5. 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.
6. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
7. For θ JC , the “case temp” location is taken at the package top center.
8. PSI JT is the PSI junction-to-top thermal characterization parameter. If the package top temperature can be measured with this rating then the die
junction temperature can be estimated more accurately than the θ JC and θ JC thermal resistance ratings.
Electrical Specifications All specifications below are characterized at T A = -40°C to +105°C; V IN = 12V, EN = 5V. Boldface limits apply
over the operating temperature range, -40°C to +105°C.
MIN
MAX
PARAMETER
DESCRIPTION
CONDITION
(Note 9)
TYP
(Note 9)
UNIT
GENERAL
V IN
I VIN_STBY
I VIN_ACTIVE
V UVLO
V UVLO_HYS
Backlight Supply Voltage
VIN Shutdown Current
Switching
Non-switching
Undervoltage Lock-out Threshold
Undervoltage Lock-out Hysteresis
(Note 10)
EN = 0
R FPWM = 3.3k ? ,
I LED = 100mA,
f SW = 600kHz,
C OUT_SW = 1nF
9
2.9
10
4
300
32
5
13
5.5
3.3
V
μA
mA
mA
V
mV
LINEAR REGULATOR
V DC
V DC_DROP
V LOGIC
V LOGIC_DROP
5V Analog Bias Regulator
V DC LDO Load Regulation Tolerance
2.5V Logic Bias Regulator
V LOGIC LDO Load Regulation Tolerance
V IN > 6V
I VDC = 30mA
V IN > 6V
I VLOGIC = 30mA
4.8
2.3
5
71
2.4
31
5.1
100
2.5
100
V
mV
V
mV
BOOST SWITCH CONTROLLER
t SS
Soft-Start
16
ms
I SW_LIMIT
t R
t F
Boost FET Current Limit
Gate Rise Time
Gate Falling Time
R SENSE = 50m ?
C OUT_SW = 1000pF
C OUT_SW = 1000pF
3.1
3.4
20
17.6
3.8
A
ns
ns
6
FN7953.0
April 23, 2012
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