参数资料
| 型号： | EL7556DCMZ-T13 |
| 厂商： | Intersil |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 28SOIC |
| 标准包装： | 1,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1 V ~ 3.8 V |
| 输入电压： | 5V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 28-SOIC W |
EL7556D
Absolute Maximum Ratings (T A = 25°C)
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Supply (V IN ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V
Output Pins . . . . . . . . . . . . . . .-0.3V below GND, +0.3V above V DD
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 135°C
Peak Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9A
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. Typ 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
Electrical Specifications
V DD = V IN = 5V, C OSC = 1nF, C SLOPE = 470pF, T A = 25°C, unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
GENERAL
I DD
I DDOFF
I VIN
V DD Supply Current
V DD Standby Current
V IN No Load Current
OUTEN = 4V, F OSC = 120kHz
OUTEN = 0
OUTEN = 0
11
0.1
3
25
5
mA
mA
mA
V OUT1
V OUT2
V OUTLINE
V OUTLOAD
Output Initial Accuracy
Output Initial Accuracy
Output Line Regulation
Output Load Regulation
VCC2DET = 4V, I L = 3A (see Fig. 1)
VCC2DET = 0V, I L = 3A, R 3 = 150 Ω , R 4 =
100 Ω (see Fig. 1)
V DD = 5V, ±10%
0A < I LOAD < 6A, relative to I L = 3A,
3.450
2.450
-1
-1
3.500
2.500
3.550
2.550
1
1
V
V
%
%
continuous mode of operation (see Fig.1)
R SHORT
Short Circuit Load Resistance
IL = 6A, prior to continuous application of
100
m Ω
R SHORT , OUTEN connected to OT
I I MAX
Current Limit
9
A
V OUTTC
T OT
T HYS
Output Tempco
Over-temperature Threshold
Over-temperature Hysteresis
-40°C < T A < 85°C
±1
135
40
%
°C
°C
V PWRGD
Power Good Threshold Relative to
VCC2SEL = 4V, V OUT = 3.50V
±6
±10
±14
%
Programmed Output Voltage
V DDOFF
V DDON
Minimum V DD for Shutdown
Maximum V DD for Startup
3.15
4.15
V
V
V HYS
M SS
D MAX
Input Hysteresis
Soft-start Slope
Maximum Duty Cycle
V HYS = V DDON - V DDOFF
0.5
7
96
V
V/ms
%
CONTROLLER - INPUTS
I PUP
I CSLOPE
VCC2DET, OUTEN Pull-up Current
C SLOPE Charging Current
VCC2DET, OUTEN = 0
10
23
14
28.5
18
34
μA
μA
IFB1
FB1 Input Pull-up Current
2
μA
R OT
Over-temperature Pull-up Resistance
OT = 0V
30
40
50
k Ω
V IH
V IL
VCC2DET, OUTEN Input High
VCC2DET, OUTEN Input Low
4
0.8
V
V
V OH PWGD
V OL PWGD
Powergood Drive High
Powergood Drive Low
I LOAD = 1mA
I LOAD = -1mA
3.5
1.0
V
V
CONTROLLER - REFERENCE
V REF
Reference Accuracy
I REF = 0
1.247
1.260
1.273
V
3
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