L9952XP STMicroelectronics, L9952XP Datasheet - Page 37

• Manufacturer Part Number: L9952XP
• Description: IC PWR MANAGEMENT SYST PWRSSO36
• Manufacturer: STMicroelectronics

Specifications of L9952XP

• Applications: Automotive
• Voltage - Supply: 6 V ~ 18 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: PowerSSO-36 Exposed Bottom Pad
• Product: Fan / Motor Controllers / Drivers
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L9952GXP
7.6
7.7
Reset generator (V1 supervision)
The voltages are referred to GND and currents are assumed positive, when the current
flows into the pin. 5.25V < V
Table 15.
Watchdog
6V < V
Table 16.
1. See
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.7.1
7.7.2
7.7.3
7.7.4
Item
Item
S
Figure
< 18V; 4.8V < V1 < 5.2V; T
Symbol
Symbol
V
R
V
V
t
RESET
RESET
t
t
WDR
t
t
CW
OW
13.
RT1
RT2
RR
LW
Reset generator
Watchdog
Reset threshold voltage1
Reset threshold voltage2
Reset pin low output
voltage
Reset pull up int. resistor
Reset reaction time
V1 under-voltage filter time
Long open window
Closed window
Open window
Watchdog reset pulse time
(1)
S
Parameter
Parameter
= 18V; T
Doc ID 13518 Rev 5
j
= -40 to 130 °C, unless otherwise specified
j
= -40 to 130 °C, unless otherwise specified.
Test condition
Test condition
@Iload = 1mA
I
V
V
RESET
decreasing
decreasing
S,
S,
V1 > 1V,
V
V
V1
V1
= 1mA
inc. /
inc. /
48,75
Min.
7.5
1.5
4.5
Electrical characteristics
Min.
4.25
4.5
60
6
Typ.
65
10
6
2
Typ.
4.63
4.37
110
0,2
16
81,25
Max.
12.5
Max.
2. 5
4.75
7.5
204
4.5
0,4
40
Unit
Unit
37/68
kΩ
ms
ms
ms
ms
µs
µs
V
V
V