EL7554IREZ Intersil, EL7554IREZ Datasheet - Page 3

• Manufacturer Part Number: EL7554IREZ
• Description: IC REG 4A DC-DC STEP DN 28HTSSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of EL7554IREZ

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 4A
• Frequency - Switching: 370kHz
• Voltage - Input: 3 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Primary Input Voltage: 3.3V
• No. Of Outputs: 1
• Output Voltage: 6V
• Output Current: 4A
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 3 - 168 Hours
• Current Rating: 4A
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Absolute Maximum Ratings
V
VX to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V
SGND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
COMP, V
SEL, PG, EN, STP, STN, C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
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
DC Electrical Specifications
V
V
V
V
V
I
I
I
I
V
V
T
T
I
I
R
R
R
I
I
V
V
V
V
V
V
V
GM
V
F
I
IN
OSC_CHG
OSC_DIS
VDD
VDD_OFF
LEAK
LMAX
STP
STN
FB
PARAMETER
OT
HYS
S
IN
REF
REFTC
REFLOAD
RAMP
DD_OFF
DD_ON
DSON1
DSONTC2
DSONTC
PGP
PGN
PG_HI
PG_LO
OVP
FB
FB_LINE
FB_TC
, V
EA
DD
REF
to SGND. . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
, FB, V
Input Voltage Range
Reference Accuracy
Reference Temperature Coefficient
Reference Load Regulation
Oscillator Ramp Amplitude
Oscillator Charge Current
Oscillator Discharge Current
V
V
V
V
Over-temperature Threshold
Over-temperature Hysteresis
Internal FET Leakage Current
Peak Current Limit
PFET On Resistance
NFET On Resistance
R
STP Pin Input Pull-down Current
STN Pin Input Pull-up Current
Positive Power Good Threshold
Negative Power Good Threshold
Power Good Drive High
Power Good Drive Low
Output Over-voltage Protection
Output Initial Accuracy
Output Line Regulation
Error Amplifier Transconductance
Output Temperature Stability
Switching Frequency
Feedback Input Pull-up Current
O
DD
DD
DD
DD
DSON
, V
Supply Current
Standby Current
for Shutdown
for Startup
TJ
, TM,
Tempco
OSC
DESCRIPTION
to SGND . . . . . -0.3V to V
3
(T
A
V
= +25°C)
DD
= V
IN
= 3.3V, T
J
= T
DD
C
IN
0 < I
0.1V < V
0.1V < V
V
EN = 0, L
V
V
With respect to target output voltage
With respect to target output voltage
I
I
V
V
V
EN = 0
I
0°C < T
= T
A
PG
PG
LOAD
EN
STP
STN
IN
CC
FB
+0.3V
+0.3V
= T
A
= 1mA
= -1mA
= 3.3V, ΔV
REF
= 0V
= 1 (L disconnected)
= 0.65V
J
= V
= V
= 0A
EL7554
= +25°C, C
A
OSC
OSC
< 50µA
X
IN
< +85°C, I
IN
= 6V (low FET), L
/2
/2
< 1.25V
< 1.25V
IN
CONDITIONS
= 10%, I
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
OSC
LOAD
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
= 390pF, Unless Otherwise Specified
LOAD
= 3A
X
= 0V (high FET)
= 0A
1.24
0.79
MIN
300
2.4
2.6
-14
2.6
85
-1
-4
3
2
6
6
TYP
1.26
1.15
370
100
200
135
125
2.7
0.2
2.5
2.5
0.8
0.2
50
20
35
30
10
±1
8
1
MAX
1.28
2.65
2.95
0.81
165
440
200
1.5
0.5
0.5
10
70
60
14
-6
6
5
4
November 5, 2007
ppm/°C
mΩ/°C
FN7360.5
UNIT
kHz
mΩ
mΩ
mA
mA
mA
µA
°C
°C
µA
µA
µA
nA
µs
%
%
%
%
%
%
V
V
V
V
V
A
V
V
V