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参数资料
| 型号： | ISL97650ARTZ-TK |
| 厂商： | Intersil |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC LCD SUPPLY HP 4CHAN 36-TQFN |
| 标准包装： | 1 |
| 应用： | LCD 电视机/监控器 |
| 电流 - 电源： | 250µA |
| 电源电压： | 4 V ~ 14 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： | 标准包装 |
| 产品目录页面： | 1249 (CN2011-ZH PDF) |
| 其它名称： | ISL97650ARTZ-TKDKR |
ISL97650
Electrical Specifications
V IN = 12V, V BOOST = V SUP = 15V, V ON = 25V, V OFF = -8V, over-temperature from -40°C to +105°C, unless
otherwise stated. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
V BOOST
DESCRIPTION
Boost Output Range
CONDITIONS
MIN
1.25
TYP
MAX
20
UNIT
V
*V IN
I BOOST
EFF BOOST
Boost Switch Current
Peak Efficiency
Current limit
See graphs and component
2.6
3.2
90+
3.8
A
%
recommendations
r DS(ON)
Switch On Resistance
160
300
m Ω
Δ V BOOST / Δ V IN
Δ V BOOST / Δ I OUT
Line Regulation
Load Regulation
5V < V IN < 13V
100mA < load < 200mA
0.4
0.1
1.0
0.5
%/V
%
V FBB
Boost Feedback Voltage
T A = +25°C
1.192
1.205
1.218
V
1.188
1.205
1.222
V
ACC BOOST
tss
A VDD Output Accuracy
Soft-Start Period for A VDD
T A = +25°C
C DEL = 220nF
-1.5
9.6
1.5
%
ms
V LOGIC BUCK
V BUCK
Buck Output Voltage
Output current = 0.5A
1.5
5.5
V
I BUCK
EFF BUCK
Buck Switch Current
Peak Efficiency
Current limit
See graphs and component
2.0
2.4
92
2.9
A
%
recommendations
R DS-ONBK
Switch ON-Resistance
200
400
m Ω
Δ V BUCK / Δ V IN
Δ V BUCK / Δ I OUT
Line Regulation
Load Regulation
5V < V IN < 13V
100mA < load < 500mA
0.1
0.2
1.0
1
%/V
%
V FBL
FBL Regulation Voltage
T A = +25°C
1.176
1.2
1.224
V
1.174
1.2
1.226
V
ACC LOGIC
tss L
V LOGIC Output Accuracy
Soft-Start Period for V(Logic)
T A = +25°C
C(VREF) = 220nF (Note - no soft-start if EN
-2
0.5
2
%
ms
asserted HIGH before ENB)
NEGATIVE (V OFF ) CHARGE PUMP
V OFF
V OFF Output Voltage Range
2X Charge Pump
-V SUP
0
V
+1.4V
ILoad_NCP_min
Ron(NOUT)H
External Load Driving Capability
High-Side Driver ON-Resistance at
V SUP > 5V
I(NOUT) = +60mA
30
10
mA
Ω
N OUT
Ron(NOUT)L
Low-Side Driver ON-Resistance at
I(NOUT) = -60mA
5
Ω
N OUT
Ipu(NOUT)lim
Pull-Up Current Limit in N OUT
V(NOUT) = 0V to V(SUP)-0.5V
60
270
mA
Ipd(NOUT)lim
I(NOUT)leak
Pull-Down Current Limit in N OUT
Leakage Current in N OUT
V(NOUT) = 0.36V to V(VSUP)
V(FBN) < 0 or EN = LOW
-5
-200
-60
5
mA
μA
V FBN
FBN Regulation Voltage
T A = +25°C
0.173
0.203
0.233
V
0.171
0.203
0.235
V
ACCN
D_NCP_max
V OFF Output Accuracy
Max Duty Cycle of the Negative Charge
IOFF = 1mA, T A = +25°C
-3
50
+3
%
%
Pump
Rpd(FBN)off
Pull-Down Resistance, Not Active
I(FBN) = 500μA
1.5
3.3
5.5
k Ω
3
FN9198.4
April 17, 2009
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