lm5118mhx National Semiconductor Corporation, lm5118mhx Datasheet - Page 4

• Manufacturer Part Number: lm5118mhx
• Description: Wide Voltage Range Buck-boost Controller
• Manufacturer: National Semiconductor Corporation

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VIN SUPPLY
VCC REGULATOR
EN INPUT
UVLO THRESHOLDS
SOFT- START
ERROR AMPLIFIER
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
junction temperature range of -40°C to +125°C. Unless otherwise specified, the following conditions apply: VIN = 48V, VCCX =
0V, EN = 5V, RT = 29.11 kΩ, No load on LO and HO (Note 3).
VIN, EN, VOUT to GND
VCC, LO, VCCX, UVLO to GND (Note 5)
HB to HS
HO to HS
HS to GND
CSG, CS to GND
V
V
Symbol
V
V
I
I
CC(REG)
CC(REG)
STDBY
V
I
BIASX
BIAS
IL max
IH min
REF
Parameter
VIN Operating Current
VIN Operating Current
VIN Shutdown Current
VCC Regulation
VCC Regulation
VCC Sourcing Current Limit
VCCX Switch threshold
VCCX Switch hysterisis
VCCX Switch RDS(ON)
VCCX Switch Leakage
VCCCX Pull-down Resistance
VCC Under-Voltage Lockout
Voltage
VCC Under-Voltage Hysterisis
HB DC Bias current
VC LDO Mode Turn-off
EN Input Low Threshold
EN Input High Threshold
EN Input Bias Current
EN Input Bias Current
EN Input Bias Current
UVLO Standby Threshold
UVLO Threshold Hysteresis
UVLO Pull-up Current Source
UVLO Pull-down R
SS Current Source
SS to FB Offset
SS Output Low Voltage
FB Reference Voltage
FB Input Bias Current
DS(ON)
-0.3 to HB+0.3V
Limits in standard type are for T
-0.3V to +0.3V
-0.3V to 76V
(Note 1)
-0.3 to 15V
-0.3 to 15V
-4V to 76V
Conditions
VCCX = 0V
VCCX = 5V
EN = 0V
VCCX = 0V
VCCX = 0V, VIN = 6V
VCC = 0
VCCX Rising
ICCX = 10 mA
VCCX = 0V
VCCX = 3V
VCC Rising
HB-HS = 15V
VEN = 3V
VEN = 0.5V
VEN = 75V
UVLO Rising
UVLO = 0V
SS = 0V
FB = 1.23V
Sinking 100 µA, UVLO = 0V
Measured at FB pin,
FB = COMP
FB = 2V
4
Operating Ratings
RAMP, SS, COMP, FB, SYNC, RT to GND
ESD Rating
HBM (Note 2)
Storage Temperature Range
Junction Temperature
VIN (Note 4)
VCC, VCCX
Junction Temperature
J
= 25°C only; limits in boldface type apply over the
1.191
1.212
3.68
3.52
3.00
Min
6.8
7.5
21
-1
-1
5
(Note 1)
1.231
0.105
1.230
5.25
3.85
0.21
10.5
Typ
205
100
150
4.5
0.2
0.5
3.7
35
70
10
50
20
1
1
7
5
5
7
-55°C to +150°C
-40°C to +125°C
1.271
1.248
Max
1.85
4.02
3.86
13.5
260
200
200
4.75V to 14V
5.5
7.2
5.5
0.5
10
12
1
1
1
3V to 75V
-0.3 to 7V
+150°C
2 kV
Units
mA
mA
mA
mV
mV
µA
µA
kΩ
µA
µA
µA
µA
µA
µA
nA
V
V
V
V
Ω
V
V
V
V
V
V
V
Ω
V