MCP1257-E/MF Microchip Technology, MCP1257-E/MF Datasheet - Page 3
![IC CHARGE PUMP DC/DC CONV 10DFN](/photos/6/59/65939/10-dfn_pkg_sml.jpg)
MCP1257-E/MF
Manufacturer Part Number
MCP1257-E/MF
Description
IC CHARGE PUMP DC/DC CONV 10DFN
Manufacturer
Microchip Technology
Type
Step-Up (Boost), Switched Capacitor (Charge Pump)r
Specifications of MCP1257-E/MF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
100mA
Frequency - Switching
650kHz
Voltage - Input
1.8 ~ 3.6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
10-DFN
Primary Input Voltage
3.6V
No. Of Outputs
1
Output Voltage
3.3V
Output Current
100mA
No. Of Pins
10
Operating Temperature Range
-40°C To +125°C
Peak Reflow Compatible (260 C)
Yes
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP1256/7/8/9EV - BOARD EVAL FOR MCP1256/7/8/9
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP1257-E/MF
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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
Maximum Junction Temperature ................................. +150°C
ESD protection on all pins
Human Body Model (1.5 k
Machine Model (200 pF, No Series Resistance) .............200V
DC CHARACTERISTICS
© 2006 Microchip Technology Inc.
Electrical Specifications: Unless otherwise indicated, all limits apply for V
C
ALL DEVICES
Supply Voltage
Output Voltage
Output Voltage Accuracy
Output Current
Short Circuit Current
Power Efficiency
Shutdown Input - SHDN
SHDN Input Voltage Low
SHDN Input Voltage High
SHDN Input Leakage
Current
SHDN Quiescent Current
Thermal Shutdown
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
1
= C
2
Parameters
= 1 μF, I
ELECTRICAL
CHARACTERISTICS
OUT
= 10 mA, T
IN
...............................................3.8V
in Series with 100 pF)
J
V
I
V
I
OUT(MAX)
LK(SHDN)
T
= -40°C to +125°C. Typical values are at T
IH(SHDN)
IL(SHDN)
V
V
Sym
J(HYS)
V
I
OUT
OUT
T
SC
I
Q
IN
J
Min
-3.0
100
1.8
1.4
30
70
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
IN
+0.3V)
2 kV
0.001
±0.5
84.5
84.5
76.4
80.1
64.0
67.1
67.5
69.7
76.0
76.7
65.0
71.0
71.6
0.25
Typ
150
160
3.3
15
—
—
—
—
—
—
† Notice: Stresses above those listed under “Maximum
Ratings” 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.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
IN
J
= +25°C.
= 1.8V to 3.6V, SHDN = V
Max
+3.0
3.6
0.4
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
MCP1256/7/8/9
Unit
mA
mA
mA
mA
μA
μA
%
%
%
%
%
%
%
%
%
%
%
%
%
%
V
V
V
V
s
C
C
I
1.8V < V
2.0V < V
2.2V < V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
SHDN
IN
= 1.8V, I
= 1.8V, I
= 2.0V, I
= 2.0V, I
= 2.4V, I
= 2.4V, I
= 2.4V, I
= 2.8V, I
= 2.8V, I
= 2.8V, I
= 3.0V, I
= 3.0V, I
= 3.0V, I
, C
= 10 mA to I
= 0V, V
= 0V, T
IN
IN
IN
IN
Conditions
= C
< 2.0V
< 2.2V
< 3.6V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
DS21989A-page 3
IN
OUT
J
= 1.8V to 3.6V
= +25°C
= 10 mA
= 50 mA
= 10 mA
= 50 mA
= 10 mA
= 50 mA
= 100 mA
= 10 mA
= 50 mA
= 100 mA
= 10 mA
= 50 mA
= 100 mA
OUT(MAX)
= 10 μF,