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L9777B

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
DocID13496 Rev 4 19/25
L9777 Electrical and thermal characteristics
24
7 Electrical and thermal characteristics
V
I
= 5.6V to 31V, T
J
= -40°C to +150°C unless otherwise specified.
Table 4. Electrical and thermal characteristics
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
General
VCC V
CCREF
Output voltage
V
I
= 5.6 to 31 V
I
VCC
= 0 to 200 mA
4.9 5.00 5.1 V
VCC I
SHORT
Short circuit current V
CC
= 0 V 150 250 500 mA
VCC I
LIM1
Output current limitation 210 300 600 mA
VI, VCC
I
QS0
Current consumption
with watchdog not active
I
QS0
= I
VI
-I
VCC
Option A
V
I
=13.5 V, I
VCC
= 0 mA,
WD_EN = 0 V
VDD_EN = 0 V
(VDD disabled)
- 110 220 μA
Option B
V
I
= 13.5 V, I
VCC
= 0 mA,
WD_EN floating or low,
VDD_EN floating or low
(VDD disabled)
- 100 200 μA
Option C
V
I
= 13.5 V, I
VCC
= 0 mA,
WD_EN floating or low,
VDD_EN floating or low
(VDD reset active)
- 400 700 μA
I
QS200
Current consumption
IQS200 = I
VI
-I
VCC
V
I
= 13.5 V, I
VCC
= 200 mA
-23mA
VI, VCC V
DP1
Dropout voltage I
VCC
= 200 mA - 200 400 mV
VCC V
LINE1
Line regulation voltage
V
I
= 5.6 to 31 V
I
VCC
= 0 to 200 mA
--
25 mV
VCC V
LOAD1
Load regulation voltage I
VCC
= 0 to 200 mA - - 25 mV
VCC SVR Ripple rejection f
r
= 100 Hz 55 - - dB
-T
W
Thermal protection
temperature
- 150 - 190 °C
-T
WH
Thermal protection
temperature hysteresis
- - 10 - °C
NMI
NMI V
NMIL
NMI output low voltage R
ext
= 5 kΩ to V
CC
, V
CC
> 1 V - - 0.4 V
NMI I
NMILK
NMI output leakage
current
V
NMI
= 5 V - - 1 μA
NMI R
NMI
Pull up internal
resistance
-122550kΩ
Electrical and thermal characteristics L9777
20/25 DocID13496 Rev 4
NMI V
CCUN
VCC under voltage
threshold
RADJ = 0 V
4.5V 0.94
VCC
0.96
VCC
-
RADJ V
RADJTH
Threshold for VCC under
voltage detection
- 1.15 1.20 1.25 V
RADJ V
RJMUXTH
Threshold for RADJ
multiplexer comparator
- 0.52 0.62 0.72 V
D VDU
NMI timing high
threshold
- 1.14 1.24 1.34 V
D VDRL NMI timing low threshold - 0.52 0.62 0.72 V
DI
RC
Charge current
V
I
= 13.5 V
V
D
= 0.1 V
10 20 40 μA
DI
RD
Discharge current
V
I
= 13.5 V
V
D
= 2.5 V
10 20 40 μA
NMI TRR1
NMI spike dependent
filter time in case of
internal reset threshold
V
CC
> 2 V
RADJ = 0 V
1--μA
NMI TRRADJ
NMI fixed filter time in
case of external reset
threshold
External resistor
divider on RADJ
(see Figure 11). V
CC
> 2 V
1 2.5 5 μs
NMI TRD NMI power up delay V
I
=13.5 V, CD=10 nF 45 80 115 ms
NMI I
NMIL
NMI limitation current - 5 - 25 mA
RESET (option A & B)
RESET V
RESL
Reset output low voltage R
ext
= 5 kΩ to V
CC
, V
CC
> 1 V - - 0.4 V
RESET I
RESETLK
RESET output leakage
current
---1μA
RESET I
RESL
RESET limitation current - 5 25 mA
RESET TRESDF
RESET delay from NMI
falling edge
C
TIMING
= 2.2 nF 350 550 750 μs
RESET T
RESDR
RESET delay from NMI
rising edge
---1μs
RESET R
RESET
Pull up internal
resistance
-122550kΩ
VDD_LOW (option C)
VDD_LOW V
VDD_LOWL
Reset output low voltage R
ext
= 5 kΩ to V
CC
, V
CC
> 1 V - - 0.4 V
VDD_LOW
I
VDD_LOWLK
RESET output leakage
current
---1μA
VDD_LOW I
VDD_LOWL
RESET limitation current - 5 - 25 mA
VDD_LOW R
VDD_LOW
Pull up internal
resistance
-122550kΩ
Table 4. Electrical and thermal characteristics (continued)
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
DocID13496 Rev 4 21/25
L9777 Electrical and thermal characteristics
24
VDD_EN
VDD_EN V
VDDTHL
VDD_EN input low
threshold
---
0.30
V
CC
V
VDD_EN V
VDDTHH
VDD_EN input high
threshold
-
0.70
V
CC
--V
VDD_EN V
VDDHY
VDD_EN hysteresis - 200 500 800 mV
VDD_EN I
VDD_EN
Pull up current Option A - 2.5 5 10 μA
VDD_EN I
VDD_EN
Pull down current
Option B and C
- 5 10 20 μA
VDD (option A)
VDD,VCC DIFFVR
Output voltage difference
between VDD and VCC
I
VDD
=1 to 100 mA -25 - 25 mV
VDD I
LIM2
VDD output limitation
current
- 110 200 400 mA
VI,VDD V
DP2
Dropout voltage I
VDD
= 100 mA - 200 400 mV
VDD V
LINE2
VDD Line regulation
voltage
V
I
= 5.6 to 31 V
I
VDD
= 1 to 100 mA
- - 25 mV
VDD V
LOAD2
VDD Load regulation
voltage
I
VDD
= 1 to 100 mA - - 25 mV
VDD (option B)
VDD,VCC DIFFVR
Output voltage difference
between VDD and VCC
I
VDD
= 1 to 50mA V
I
= 6.6 to 31V -25 - 25 mV
VDD I
LIM2
VDD output limitation
current
V
I
= 6.6 to 31V 55 100 240 mA
VI,VDD V
DP2
Dropout voltage I
VDD
= 50mA; V
I
= 6.6 to 31V - - 1.5 V
VDD V
LINE2
VDD Line regulation
voltage
I
VDD
= 1 to 50mA V
I
= 6.6 to 31V - - 25 mV
VDD V
LOAD2
VDD Load regulation
voltage
I
VDD
= 1 to 50mA V
I
= 6.6 to 31V - - 25 mV
Table 4. Electrical and thermal characteristics (continued)
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
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L9777B

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Buy L9777B
Manufacturer:
STMicroelectronics
Description:
LDO Voltage Regulators Low-Power Reg 200 + 50 mA
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