MCP1252 Microchip Technology, MCP1252 Datasheet - Page 3
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MCP1252
Manufacturer Part Number
MCP1252
Description
(MCP1252 / MCP1253) Low Noise / Positive-Regulated Charge Pump
Manufacturer
Microchip Technology
Datasheet
1.MCP1252.pdf
(18 pages)
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1.0
Absolute Maximum Ratings †
Power Supply Voltage, V
Voltage on Any Pin w.r.t. GND ............... -0.3V to (V
Output Short Circuit Duration ................................continuous
Storage Temperature Range.........................-65°C to +150°C
Ambient Temperature with Power Applied ....-55°C to +125°C
Junction Temperature ................................................. +150°C
ESD Ratings:
†Notice: Stresses above those listed under “Maximum Rat-
ings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are specified for T
C
Selectable Output - MCP1252-33X50, MCP1253-33X50: SELECT = V
Supply Voltage
Output Voltage Accuracy
Output Current
SELECT Logic Input Voltage High
Selectable Output - MCP1252-33X50, MCP1253-33X50: SELECT = GND, V
Supply Voltage
Output Voltage Accuracy
Output Current
SELECT Logic Input Voltage Low
Adjustable Output - MCP1252-ADJ, MCP1253-ADJ
Supply Voltage
Output Voltage Adjustment Range
FB Regulation Voltage
ALL DEVICES
Supply Current
Output Short-Circuit Current
Shutdown Current
Power Efficiency
SHDN Logic Input Voltage Low
SHDN Logic Input Voltage High
PGOOD Threshold Voltage
PGOOD Hysteresis
Human Body Model (1.5 k
Machine Body Model (200 pF, No Series Resistance
2002 Microchip Technology Inc.
IN
= C
OUT
ELECTRICAL
CHARACTERISTICS
= 10 µF, C
Parameters
FLY
IN
...............................................6.0V
= 1 µF, I
in Series with 100 pF
OUT
= 10 mA. Typical values are for T
I
V
V
V
V
Sym
I
I
SHDN
V
V
V
V
V
V
V
OUT
OUT
V
I
I
V
OUT
OUT
OUT
HYS
DD
SC
TH
FB
IN
IH
IN
IN
IH
IL
IL
IN
1.18
Min
+ 0.3V)
-2.5
120
-2.5
120
2.1
1.4
2.7
2.0
1.5
1.4
80
40
—
—
—
—
—
—
—
—
400V
4 kV
0.93V
0.04V
+/-0.5
+/-0.5
1.21
Typ
100
150
150
200
0.1
80
60
81
68
—
—
—
—
—
—
—
—
OUT
OUT
PIN FUNCTION TABLE
PGOOD
V
V
GND
C-
C+
SHDN
SELECT
FB
A
IN
OUT
IN
= +25°C.
, V
Name
Max
+2.5
+2.5
1.24
120
OUT
5.5
5.5
0.4
5.5
5.5
2.0
0.4
—
—
—
—
—
—
—
—
OUT
= 3.3V
A
= 5.0V
= -40°C to +85°C, SHDN = V
Open-Drain Power GOOD Output
Regulated Output Voltage
Power Supply Input
Ground Terminal
Flying Capacitor Negative Terminal
Flying Capacitor Positive Terminal
Shutdown Mode, Active-Low Input
Output Voltage Select Pin.
(MCP1252-33X50, MCP1253-33X50)
Feedback Input Pin for Adjustable Output
(MCP1252-ADJ, MCP1253-ADJ)
Units
mA
mA
mA
mA
mA
µA
µA
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
MCP1252-ADJ, MCP1253-ADJ
2.3V
2.5V
2.3V
2.5V
MCP1252-33X50, MCP1253-33X50
2.7V
3.0V
2.7V
3.0V
MCP1252-33X50, MCP1253-33X50
V
No load
V
SHDN = 0V
V
V
I
OUT
OUT(MAX)
OUT
IN
IN
= 3.0V, V
= 3.6V, V
MCP1252/3
=120 mA
= GND, foldback current
V
V
V
V
V
V
V
V
Function
IN
IN
IN
IN
IN
IN
IN
IN
< 3.0V, I
< 2.5V, I
< 2.5V
< 3.0V
< 2 x V
Conditions
5.5V, I
5.5V, I
5.5V
5.5V
OUT
OUT
= 5V
= 5V
IN
IN
DS21752A-page 3
OUT
OUT
OUT
OUT
,
120 mA
40 mA
120 mA
80 mA