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NCV8537 Datasheet, PDF (5/16 Pages) ON Semiconductor – 500 mA High Accuracy Low Dropout Linear Regulator with Power Good Function
NCV8537
ELECTRICAL CHARACTERISTICS − 1.8 V
(Vout = 1.8 V typical, Vin = 2.9 V, TA = −40C to +125C, unless otherwise noted, Note 2)
Characteristic
Symbol Min
Typ
Max
Unit
Output Voltage (Accuracy)
Vin = 2.9 V to 5.8 V, Iload = 0.1 mA to 500 mA, TA = 25C
Output Voltage (Accuracy)
Vin = 2.9 V to 5.8 V, Iload = 0.1 mA to 500 mA, TA = 0C to +85C
Output Voltage (Accuracy)
Vin = 2.9 V to 5.8 V, Iload = 0.1 mA to 500 mA, TA = −40C to +125C
Minimum Input Voltage
Line Regulation
Vin = 2.9 V to 12 V, Iload = 0.1 mA
Load Regulation
Vin = 2.9 V, Iload = 0.1 mA to 500 mA
Dropout Voltage (See Figure 9)
Iload = 500 mA (Notes 3, 4)
Iload = 300 mA (Notes 3, 4)
Iload = 50 mA (Notes 3, 4)
Peak Output Current (See Figures 14 and 17)
Short Output Current (See Figure 14) Vin < 7 V, TA = 25C
Thermal Shutdown / Hysteresis
Ground Current
In Regulation
Iload = 500 mA (Note 3)
Iload = 300 mA (Note 3)
Iload = 50 mA
Iload = 0.1 mA
Vout
Vout
Vout
Vinmin
LineReg
−0.9%
1.783
−1.4%
1.774
−1.5%
1.773
1.8
1.8
1.8
2.9
0.04
+0.9%
1.817
+1.4%
1.826
+1.5%
1.827
V
V
V
V
mV/V
LoadReg
0.04
mV/mA
VDO
mV
620
230
95
Ipk
500
700
830
mA
Isc
900
mA
TJ
160/10
C
IGND
9.0
14
mA
4.6
7.5
0.8
2.5
−
220
mA
In Dropout
Vin = 2.2 V, Iload = 0.1 mA
500
mA
In Shutdown
VSD = 0 V
Output Noise
Cnr = 0 nF, Iload = 500 mA, f = 10 Hz to 100 kHz, Cout = 10 mF
Cnr = 10 nF, Iload = 500 mA, f = 10 Hz to 100 kHz, Cout = 10 mF
Power Good Voltage
Low Threshold
Hysteresis
High Threshold
IGNDsh
Vnoise
Velft
93
1.0
mA
52
mVrms
33
mVrms
% of
95
Vout
2
97
99
Power Good Pin Voltage Saturation (Ief − 1.0 mA)
Power Good Pin Leakage
Power Good Blanking Time (Note 7)
Shutdown
Threshold Voltage ON
Threshold Voltage OFF
Vefdo
200
mV
Iefleak
1.0
mA
tef
50
ms
VSD
2.0
V
0.4
V
SD Input Current, VSD = 0 V to 0.4 V or VSD = 2.0 V to Vin
ISD
0.07
1.0
mA
Output Current In Shutdown Mode, Vout = 0 V
IOSD
0.07
1.0
mA
Reverse Bias Protection, Current Flowing from the Output Pin to GND
IOUTR
10
mA
(Vin = 0 V, Vout_forced = 1.8 V)
2. Performance guaranteed over the operating temperature range by design and/or characterization, production tested at TJ = TA = 25C. Low
duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
3. TA must be greater than 0C.
4. Maximum dropout voltage is limited by minimum input voltage Vin = 2.9 V recommended for guaranteed operation.
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