L4989MD STMicroelectronics, L4989MD Datasheet - Page 9

• Manufacturer Part Number: L4989MD
• Description: IC REG LDO 5V 150MA 20SOIC
• Manufacturer: STMicroelectronics

Specifications of L4989MD

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 5.6 ~ 31 V
• Voltage - Dropout (typical): 0.18V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 170mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 31 V
• Output Voltage: 5 V
• Output Type: Fixed
• Dropout Voltage (max): 0.4 V at 150 mA
• Output Current: 250 mA
• Line Regulation: 25 mV
• Load Regulation: 25 mV
• Voltage Regulation Accuracy: 3 %
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L4989
Table 6.
1. When Vo becomes lower than 4V, the reset reaction time decreases down to 2µs assuring a faster reset
Table 7.
Vcw
Vcw
Vcw
Vcw
Vcw
Res
Res
Res
Res
Res
Res
Res
Pin
Vcr
Vcr
Vcr
Vcr
Pin
condition in this particular case.
Wi
Wi
Wi
Wi
Symbol
Symbol
I
Vres_l
Vwhth
Res_lkg
Vo_th
Vrhth
Vwlth
Trr_2
Twop
Reset
R
Vrlth
Watchdog
Icwd
Icwc
twol
Rwi
Vih
Vih
Trd
Icr
Idr
Vil
Res
Reset output low voltage
Reset output high leakage
current
Pull up internal resistance
Reset threshold voltage
Reset timing low threshold
Reset timing high threshold Vs =13.5V
Charge current
Discharge current
Reset reaction time
Reset delay time
Input high voltage
Input low voltage
Input hysteresis
Pull down resistor
High threshold
Low threshold
Charge current
Discharge current
Watchdog period
Watchdog output low time
Parameter
Parameter
(1)
R
Vo > 1V
V
Versus Vo
Vs = 5.6 to 31V,
Io = 1 to 150mA
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vo = V
Vs = 13.5V,
Ctr = 1nF
Res
ext
Test condition
Test condition
Ctw = 47nF
Ctw = 47nF
Vs = 13.5V,
Vcw = 0.1V
Vs = 13.5V,
Vcw = 2.5V
Vs = 13.5V,
Vs = 13.5V,
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
= 5kΩ to Vo,
= 5V
o_th
-100mV
Electrical specifications
Min.
10%
44%
Min.
44%
10%
1.25
100
6%
3.5
10
65
30
20
8
8
5
4
47%
47%
13%
Typ.
13%
Typ.
250
115
500
100
8%
2.5
20
15
15
10
40
8
Max. Unit
Max. Unit
10%
16% V
50% V
50% V
16% V
700
165
250
0.4
1.5
40
30
30
20
80
16
1
5
Below
V
mV
ms
KΩ
ms
ms
µA
o_ref
o_ref
o_ref
µA
µA
o_ref
o_ref
µA
µA
kΩ
µs
9/19
V
V
V