EL7556D Просмотр технического описания (PDF) - Intersil
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EL7556D Datasheet PDF : 11 Pages
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EL7556D
Absolute Maximum Ratings (TA = 25°C)
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Supply (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V
Output Pins . . . . . . . . . . . . . . .-0.3V below GND, +0.3V above VDD
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: TJ = TC = TA
Electrical Specifications VDD = VIN = 5V, COSC = 1nF, CSLOPE = 470pF, TA = 25°C, unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
GENERAL
IDD
IDDOFF
IVIN
VOUT1
VOUT2
VDD Supply Current
VDD Standby Current
VIN No Load Current
Output Initial Accuracy
Output Initial Accuracy
OUTEN = 4V, FOSC = 120kHz
OUTEN = 0
11
25
mA
0.1
mA
OUTEN = 0
3
5
mA
VCC2DET = 4V, IL = 3A (see Fig. 1)
3.450 3.500 3.550
V
VCC2DET = 0V, IL = 3A, R3 = 150Ω, R4 = 2.450 2.500 2.550
V
100Ω (see Fig. 1)
VOUTLINE
VOUTLOAD
Output Line Regulation
Output Load Regulation
VDD = 5V, ±10%
-1
0A < ILOAD < 6A, relative to IL = 3A,
-1
continuous mode of operation (see Fig.1)
1
%
1
%
RSHORT
II MAX
VOUTTC
TOT
THYS
VPWRGD
Short Circuit Load Resistance
Current Limit
Output Tempco
Over-temperature Threshold
Over-temperature Hysteresis
Power Good Threshold Relative to
Programmed Output Voltage
IL = 6A, prior to continuous application of
RSHORT, OUTEN connected to OT
-40°C < TA < 85°C
VCC2SEL = 4V, VOUT = 3.50V
100
mΩ
9
A
±1
%
135
°C
40
°C
±6
±10
±14
%
VDDOFF
Minimum VDD for Shutdown
VDDON
Maximum VDD for Startup
VHYS
Input Hysteresis
MSS
Soft-start Slope
DMAX
Maximum Duty Cycle
CONTROLLER - INPUTS
VHYS = VDDON - VDDOFF
3.15
V
4.15
V
0.5
V
7
V/ms
96
%
IPUP
ICSLOPE
IFB1
VCC2DET, OUTEN Pull-up Current
CSLOPE Charging Current
FB1 Input Pull-up Current
VCC2DET, OUTEN = 0
10
14
18
µA
23
28.5
34
µA
2
µA
ROT
Over-temperature Pull-up Resistance
VIH
VCC2DET, OUTEN Input High
VIL
VCC2DET, OUTEN Input Low
VOH PWGD
Powergood Drive High
VOL PWGD
Powergood Drive Low
CONTROLLER - REFERENCE
OT = 0V
ILOAD = 1mA
ILOAD = -1mA
30
40
50
kΩ
4
V
0.8
V
3.5
V
1.0
V
VREF
Reference Accuracy
IREF = 0
1.247 1.260 1.273
V
3
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