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MCP1726-ADJE/MF Datasheet

  • MCP1726-ADJE/MF

  • IC, LDO, 1A, ADJ, 8DFN; Primary Input Voltage:6V; Output Vol...

  • 30頁(yè)

  • Microchip   Microchip

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MCP1726
DC CHARACTERISTICS (Continued)
Electrical Specifications:
Unless otherwise noted, V
IN
= (V
R
+ 0.5V) or 2.3V, whichever is greater, I
OUT
= 1 mA,
C
IN
= C
OUT
= 4.7 碌F (X7R Ceramic), T
A
= +25擄C.
Boldface
type applies for junction temperatures, T
J
(Note
7)
of
-40擄C to +125擄C
Parameters
AC Performance
Output Delay From SHDN
Output Noise
T
OR
e
N
鈥?/div>
100
2.0
鈥?/div>
碌s
SHDN = GND to V
IN
V
OUT
= GND to 95% V
R
Sym
Min
Typ
Max
Units
Conditions
碌V/鈭欻z I
OUT
= 200 mA, f = 1 kHz,
C
OUT
= 1 碌F (X7R
Ceramic), V
OUT
= 2.5V
dB
f = 100 Hz, C
OUT
= 10 碌F,
I
OUT
= 100 mA,
V
INAC
= 30 mV pk-pk,
C
IN
= 0 碌F
I
OUT
= 100 碌A(chǔ), V
OUT
=
1.8V, V
IN
= 2.8V
I
OUT
= 100 碌A(chǔ), V
OUT
=
1.8V, V
IN
= 2.8V
Power Supply Ripple Rejection
Ratio
PSRR
鈥?/div>
54
鈥?/div>
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Note 1:
2:
3:
4:
5:
6:
T
SD
螖T
SD
鈥?/div>
鈥?/div>
150
10
鈥?/div>
鈥?/div>
擄C
擄C
7:
The minimum V
IN
must meet two conditions: V
IN
鈮?/div>
2.3V and V
IN
鈮?(V
R
+ 2.5%)
+
V
DROPOUT.
V
R
is the nominal regulator output voltage for the fixed cases. V
R
= 1.2V, 1.8V, etc. V
R
is the desired set
point output voltage for the adjustable cases. V
R
= V
ADJ *
((R
1
/R
2
)+1). Figure 4-1.
TCV
OUT
= (V
OUT-HIGH
鈥?V
OUT-LOW
) *10
6
/ (V
R
*
螖Temperature).
V
OUT-HIGH
is the highest voltage measured
over the temperature range. V
OUT-LOW
is the lowest voltage measured over the temperature range.
Load regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load
regulation is tested over a load range from 1 mA to the maximum specified output current.
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2%
below its nominal value that was measured with an input voltage of V
IN
= V
R
+ 0.5V.
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
junction temperature and the thermal resistance from junction to air. (i.e., T
A
, T
J
,
胃
J
A
). Exceeding the maxi-
mum allowable power dissipation will cause the device operating junction temperature to exceed the maxi-
mum 150擄C rating. Sustained junction temperatures above 125擄C can impact device reliability.
The junction temperature is approximated by soaking the device under test at an ambient temperature
equal to the desired junction temperature. The test time is small enough such that the rise in the junction
temperature over the ambient temperature is not significant.
TEMPERATURE SPECIFICATIONS
Electrical Specifications:
Unless otherwise indicated, all limits apply for V
IN
= 2.3V to 6.0V.
Parameters
Temperature Ranges
Operating Junction Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Thermal Package Resistances
Thermal Resistance, 8LD 3 x 3 DFN
胃
JA
鈥?/div>
41
鈥?/div>
擄C/W
4-Layer JC51-7
Standard Board with
vias
4-Layer JC51-7
Standard Board
T
J
T
J
T
A
-40
鈥?/div>
-65
鈥?/div>
鈥?/div>
鈥?/div>
+125
+150
+150
擄C
擄C
擄C
Steady State
Transient
Sym
Min
Typ
Max
Units
Conditions
Thermal Resistance, 8LD SOIC
胃
JA
鈥?/div>
150
鈥?/div>
擄C/W
DS21936B-page 6
漏
2005 Microchip Technology Inc.

MCP1726-ADJE/MF 產(chǎn)品屬性

  • Microchip

  • 低壓降 (LDO) 調(diào)節(jié)器

  • 6 V

  • 0.8 V to 5 V

  • 0.5 V at 1 A

  • 1 A

  • 0.5 %

  • 1

  • Adjustable

  • + 125 C

  • SMD/SMT

  • DFN-8

  • 0.14 mA

  • + 2.3 V

  • 0.05 % / V

  • - 40 C

  • Tube

  • 0.41 V

  • 120

  • 2.5 %

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