IC DRIVER MOSF SYNC BUCK 55MLPQ

 

SIC417CD-T1-E3

Manufacturer Part NumberSIC417CD-T1-E3
DescriptionIC DRIVER MOSF SYNC BUCK 55MLPQ
ManufacturerVishay
SeriesmicroBUCK™
SIC417CD-T1-E3 datasheets

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Specifications of SIC417CD-T1-E3

TopologyStep-Down (Buck) Synchronous (1), Linear (LDO) (1)FunctionAny Function
Number Of Outputs2Frequency - Switching200kHz ~ 1MHz
Voltage/current - Output 10.5 V ~ 5.5 V, 10AVoltage/current - Output 20.75 V ~ 5.25 V, 150mA
W/led DriverNoW/supervisorNo
W/sequencerNoVoltage - Supply3 V ~ 28 V
Operating Temperature-25°C ~ 125°CMounting Type*
Package / Case*Output Voltage0.5 V to 5.5 V
Output Current10 AInput Voltage3 V to 28 V
Switching Frequency200 KHz to 1 MHzMounting StyleSMD/SMT
Duty Cycle (max)95 %Primary Input Voltage28V
No. Of Outputs1Voltage Regulator Case StyleMLPQ
No. Of Pins32Operating Temperature Range-25°C To +125°C
SvhcNo SVHCRohs CompliantYes
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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ELECTRICAL SPECIFICATIONS
Parameter
Fault Protection
I
Source Current
LIM
Valley Current Limit
I
Comparator Offset Voltage
LIM
Output Under-Voltage Fault
Smart Power-Save Protection
b
Threshold Voltage
Over-Voltage Protection Threshold
b
Over-Voltage Fault Delay
b
Over Temperature Shutdown
Logic Inputs/Outputs
Logic Input High Voltage
Logic Input Low Voltage
EN/PSV Input Bias Current
ENL Input Bias Current
FBL, FB Input Bias Current
Linear Dropout Regulator
FBL Accuracy
LDO Current Limit
c
V
to V
Switch-Over Threshold
LDO
OUT
V
to V
Non-Switch-Over Threshold
LDO
OUT
V
to V
Switch-Over Resistance
LDO
OUT
d
LDO Drop Out Voltage
Notes:
a. V
is programmable using a resistor divider from V
IN UVLO
b. Guaranteed by design.
c. The switch-over threshold is the maximum voltage diff erential between the V
switch-over to V
. The non-switch-over threshold is the minimum voltage diff erential between the V
OUT
V
will not switch-over to V
.
LDO
OUT
d. The LDO drop out voltage is the voltage at which the LDO output drops 2 % below the nominal regulation point.
ELECTRICAL CHARACTERISTICS
Document Number: 69062
S10-1367-Rev. D, 14-Jun-10
Test Conditions Unless Specified
V
= 12 V, V5V = 5 V, T
IN
- 25 °C to + 85 °C for min. and max.,
Symbol
T
= < 125 °C
J
I
LIM
R
= 5.9 kΩ
ILIM
V
With respect to A
ILM-LK
V
with respect to Internal 500 mV reference,
FB
V
OUV_Fault
8 consecutive clocks
P
V
with respect to internal 500 mV reference
SAVE_VTH
FB
V
with respect to internal 500 mV reference
FB
t
OV-Delay
T
10 °C hysteresis
Shut
V
IN+
EN, ENL, PSV
V
IN-
I
EN/PSV = V5V or A
EN-
V
= 28 V
IN
FBL_I
FBL, FB = V5V or A
LK
FBL
V
load = 10 mA
ACC
LDO
Start-up and foldback, V
LDO_I
LIM
Operating current limit, V
V
LDO-BPS
c
V
LDO-NBPS
R
V
= 5 V
LDO
OUT
From V
to V
IN
VLDO
I
= 100 mA
VLDO
to ENL to A
. The ENL voltage is compared to an internal reference.
IN
GND
LDO
100
95
V
= 9 V
IN
90
V
= 19 V
85
IN
80
75
70
65
60
55
50
0
1
2
3
4
5
6
7
I
(A)
OUT
Efficiency vs. Output Current (V
Vishay Siliconix
= + 25 °C for typ.,
A
Min.
Typ.
Max.
10
6
8
- 10
0
+ 10
GND
- 25
+ 10
+ 20
5
150
2
- 10
+ 10
GND
11
- 1
GND
0.735
0.75
0.765
= 12 V
85
IN
= 12 V
135
200
IN
- 140
+ 140
- 450
+ 450
2
, V
= + 5 V,
VLDO
1.2
and V
pins which ensures that V
OUT
LDO
and V
pins which ensures that
LDO
OUT
8
9
10
= 1.2 V)
OUT
www.vishay.com
SiC417
Unit
µA
10
A
mV
%
%
µs
°C
V
0.4
18
µA
+ 1
V
mA
mV
Ω
V
will internally
5