参数资料
| 型号： | EL7571CM |
| 厂商： | Intersil |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM PROGRAMMABLE 20SOIC |
| 标准包装： | 38 |
| 应用： | 控制器，Intel Pentium? II，Pro |
| 输入电压： | 4.5 V ~ 12.6 V |
| 输出数： | 2 |
| 输出电压： | 1.3 V ~ 3.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SO |
| 包装： | 管件 |
EL7571
Absolute Maximum Ratings (T A = 25°C)
Supply Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 14V
Input Pin Voltage:. . . . . . . . . -.03 below Ground, +0.3 above Supply
VHI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 27V
Storage Temperature Range:. . . . . . . . . . . . . . . . . . 65°C to +150°C
Operating Temperature Range: . . . . . . . . . . . . . . . . . . 0°C to +70°C
Operating Junction Temperature:. . . . . . . . . . . . . . . . . . . . . . . 125°C
Peak Output Current: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3A
Power Dissipation: . . . . . . . . . . . . . . . . . . . . . . . . . . . .SO20 500mW
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. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T J = T C = T A
DC Electrical Specifications
T A = 25°C, V IN = 5V, C OSC = 330pF, C SLOPE = 390pF, R SENSE = 7.5m ? unless otherwise specified.
PARAMETER
V IN
V UVLO HI
DESCRIPTION
Input Voltage Range
Input Under Voltage Lock out Upper
CONDITION
Positive going input voltage
MIN
4.5
3.6
TYP
4
MAX
12.6
4.4
UNIT
V
V
Limit
V UVLO LO
Input Under Voltage Lock out Lower
Negative going input voltage
3.15
3.5
3.85
V
Limit
V OUT RANGE
Output Voltage Range
See VID table
1.3
3.5
V
V OUT 1
Steady State Output Voltage Accuracy,
I L = 6.5A, V OUT = 2.8V
2.74
2.82
2.90
V
VID = 10111
V OUT 2
Steady State Output Voltage Accuracy,
I L = 6.5A, V OUT =1.8V
1.74
1.81
1.9
V
VID = 00101
V REF
Reference Voltage
1.396
1.41
1.424
V
V ILIM
V IREV
V OUT PG
Current Limit Voltage
Current Reversal Threshold
Output Voltage Power Good Lower
V ILIM = (V CS -V FB )
V IREV = (V CS -V FB )
V OUT = 2.05V
125
-40
-18
154
-5
-14
185
20
-10
mV
mV
%
Level
Output Voltage Power Good Upper
8
12
16
%
Level
V OVP
V OTEN LO
Over-Voltage Protection Threshold
Power Down Input Low Level
V IN = -10uA
+9
+13
+17
1.5
%
V
V OTEN HI
V ID LO
V ID HI
V OSC
Power Down Input High Level
Voltage I.D. Input Low Level
Voltage I.D. Input High Level
Oscillator Voltage Swing
(V IN -1.5)
(V IN -1.5)
0.85
1.5
V
V
V
V P-P
V PWRGD LO
Power Good Output Low Level
I OUT = 1mA
0.5
V
R DS ON
HSD, LSD Switch On-Resistance
V IN , V INP = 12V, I OUT = 100mA,
4.8
6
?
(VHI-LX) = 12V
R FB
R CS
FB Input Impedance
CS Input Impedance
9.5
115
k ?
k ?
I VIN
I VIN DIS
I SOURCE/SINK
Quiescent Supply Current
Supply Current in Output Disable Mode
Peak Driver Output Current
V OTEN >(V IN -0.5)V
V OTEN <1.5V
V IN ,V INP = 12V, Measured at HSD,
1.2
0.76
2.5
2
1
mA
mA
A
LSD, (VHI-LX) = 12V
I RAMP
I OSC CHARGE
I OSC DISCHARGE
C SLOPE Ramp Current
Oscillator Charge Current
Oscillator Discharge Current
High Side Switch Active
1.2>V OSC >0.35V
1.2>V OSC >0.35V
8.5
14
50
2
20
μA
μA
mA
I REFMAX
VREF Output Current
25
μA
2
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