参数资料
型号: ISL97651ARTZ-T
厂商: Intersil
文件页数: 8/19页
文件大小: 0K
描述: IC LCD SUPPLY HP 4CHN 36-TQFN
标准包装: 4,000
应用: LCD 电视机/监控器
电流 - 电源: 400µA
电源电压: 4 V ~ 5.5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 带卷 (TR)
ISL97651
Pin Descriptions
PIN NUMBER
1
2
3
4
5
6
7
8
9
10, 18, 28, 36
11
12
13
14
15
16
17
19
20
21
22
23
24
25, 26
27
29
30
31
32
33
34
35
(Exposed Die Plate)
PIN NAME
VIN1
LX1
LX2
CB
LXL
VSUP
FBL
CM2
CTL
NC
DRN
COM
POUT
C1-
C1+
C2-
C2+
FBP
VREF
FBN
PGND3
NOUT
VINL
PGND2, 1
AGND
CDEL
ENL
DELB
CM1
VIN2
FBB
EN
N/A
8
DESCRIPTION
Input voltage, connect to pin 33 (V IN2 )
Internal boost switch connection
Internal boost switch connection
Logic buck, boost strap pin
Buck converter output
Positive supply for charge pumps
Logic buck feedback pin
Buck compensation network pin
Input control for V ON slice output
No connect. Connect to die pad and GND for improved thermal efficiency.
Lower reference voltage for V ON slice output
V ON slice output: when CTL = 1, COM is connected to SRC through a 5 Ω resistor; when CTL = 0, COM
is connected to DRN through a 30 Ω resistor.
Positive charge pump out
Charge pump capacitor 1, negative connection
Charge pump capacitor 1, positive connection
Charge pump capacitor 2, negative connection
Charge pump capacitor 2, positive connection
Positive charge pump feedback pin
Reference voltage
Negative charge pump feedback pin
Power ground for V OFF , V ON and V ON slice
Negative charge pump output
Logic buck supply voltage
Boost power grounds
Signal ground pin
Delay capacitor for start up sequencing, soft-start and fault detection timers.
Buck enable for V LOGIC output
Open drain NFET output to drive optional A VDD delay PFET
Boost compensation network pin
Input voltage, connect to pin 1 (V IN1 )
Boost feedback pin
Enable for Boost, charge pumps and V ON slice (independent of ENL).
Connect exposed die plate on rear of package to ACGND and the PGND1, 2 pins. See “Layout
Recommendation” on page 18 for PCB layout thermal considerations.
FN7493.3
April 24, 2009
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