L4988MDTR STMicroelectronics, L4988MDTR Datasheet - Page 9

• Manufacturer Part Number: L4988MDTR
• Description: IC REG LDO 5V 200MA 20SOIC
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L4988MDTR

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 5.6 ~ 31 V
• Voltage - Dropout (typical): 0.27V @ 200mA
• Number Of Regulators: 1
• Current - Output: 200mA
• Current - Limit (min): 200mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Number Of Outputs: 1
• Polarity: Negative, Positive
• Output Voltage: - 0.3 V to + 6 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.5 V at 200 mA
• Output Current: 200 mA
• Line Regulation: 25 mV
• Load Regulation: 25 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Reference Voltage: 5.1 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L4988
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
Pin
Vcr
Vcr
Vcr
Vcr
condition in this particular case.
Wi
Wi
Wi
Wi
Symbol
Symbol
R_p_u
Vres_l
Vwhth
I
Vo_th
Vrhth
Vwlth
Trr_2
Twop
Reset
Res_h
Vrlth
Watchdog
Icwd
Icwc
twol
Trd
Vih
Vih
Icr
Idr
Vil
Ii
Reset timing high threshold Vs =13.5V
Discharge current
Charge current
Watchdog period
Reset output low voltage
Reset output high leakage
current
Pull up internal resistance
Vo out of regulation
threshold
Reset timing low threshold
Charge current
Reset reaction time
Reset delay time
Input high voltage
Input low voltage
Input hysteresis
Pull down current
High threshold
Low threshold
Discharge current
Watchdog output low time
Parameter
Parameter
(1)
R
Vo > 1V
V
With respect to Vo
Vs = 6 to 31V,
Io = 1 to 200mA
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vo = V
Vs = 13.5V,
Ctr = 1nF
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V
Vs = 13.5V,
Vcw = 0.1V
Vs = 13.5V,
Vcw = 2.5V
Vs = 13.5V,
Ctw = 47nF
Vs = 13.5V,
Ctw = 47nF
Res
ext
Test condition
Test condition
= 5kΩ to Vo,
= 5V
o_th
-100mV
Electrical specifications
44%
Min.
10%
Min.
44%
10%
100
6%
3.5
1.0
12
65
25
8
8
4
6
13%
47%
47%
13%
Typ.
17.6
17.6
Typ.
10.5
275
500
8%
2.1
25
10
50
8
Max. Unit
1000
Max. Unit
10%
16% V
50% V
50% V
16% V
150
0.4
1.5
4.5
50
30
30
20
14
90
22
1
Below
V
mV
µA
µA
µA
ms
µA
µA
ms
ms
kΩ
o_ref
o_ref
o_ref
o_ref
o_ref
µA
µs
9/30
V
V
V