参数资料
| 型号： | ISL97646IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST LDO VON VCOM 24-QFN |
| 标准包装： | 6,000 |
| 应用： | 转换器，LCD 显示器 |
| 输入电压： | 2.7 V ~ 5.5 V |
| 输出数： | 2 |
| 输出电压： | 8 V ~ 20 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
ISL97646
Electrical Specifications
V IN1 = V IN2 = ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, T A = -40°C to +85°C
Unless Otherwise Noted. (Continued)
SYMBOL
V FB
I FB
r DS(ON)
PARAMETER
Feedback Voltage (V FB )
FB Input Bias Current
Switch On Resistance
TEST CONDITION
I LOAD = 100mA, T A = +25°C
I LOAD = 100mA, T A = -40°C to +85°C
MIN
1.20
1.19
TYP
1.21
1.21
250
150
MAX
1.22
1.23
500
300
UNIT
V
V
nA
m Ω
EFF
Peak Efficiency
92
%
I LIM
D MAX
Switch Current Limit
Max Duty Cycle
2.1
85
2.6
90
A
%
f OSC
I SS
Oscillator Frequency
Soft-Start Slew Current
FREQ = 0V
FREQ = V IN2
SS < 1V, T A = +25°C
550
1.0
650
1.2
2.75
800
1.4
kHz
MHz
μA
LDO REGULATOR
V SL
V LDO
Input Voltage Range V IN1
Output Voltage
ADJ = LDO_OUT
ADJ OPEN
ADJ = 0V
ADJ = GND, ILDO = 1mA
3.0
3.35
3.8
3.31
5.5
5.5
5.5
V
V
V
V
ADJ = GND, ILDO = 350mA
ADJ OPEN, ILDO = 1mA
ADJ OPEN, ILDO = 350mA
ADJ = LDO_OUT, ILDO = 1mA
ADJ = LDO_OUT, ILDO = 350mA
3.29
2.86
2.84
2.51
2.49
V
V
V
V
V
ACC LDO
Δ V LDO / Δ V IN
Δ V LDO / Δ I OUT
Overall Accuracy
Line Regulation
Load Regulation
1mA < ILDO < 350mA
ILDO = 1mA, 3.0V < V IN1 < 5.5V
1mA < ILDO < 350mA
-4
2
0.75
4
%
mV/V
%
V DO
Dropout Voltage
Output drops by 2%, ILDO = 350mA
300
500
mV
I LIML
Current Limit
Output drops by 2%
350
400
mA
VCOM AMPLIFIER R LOAD = 10k, C LOAD = 10pF, Unless Otherwise Stated
V SAMP
I SAMP
Supply Voltage
Supply Current
4.5
3
20
V
mA
V OS
I B
CMIR
Offset Voltage
Noninverting Input Bias Current
Common Mode Input Voltage
0
3
0
20
100
VDD2
mV
nA
V
Range
CMRR
PSRR
VOH
VOH
VOL
VOL
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
Output Voltage Swing High
Output Voltage Swing High
Output Voltage Swing Low
Output Voltage Swing Low
I OUT(SOURCE) = 5mA
I OUT(SOURCE) = 50mA
I OUT(SINK) = 5mA
I OUT(SINK) = 50mA
50
70
70
85
VDD2 - 50
VDD2 - 450
50
450
dB
dB
mV
mV
mV
mV
4
FN6265.1
December 14, 2007
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