MCP1630-I/MS Microchip Technology, MCP1630-I/MS Datasheet - Page 11

• Manufacturer Part Number: MCP1630-I/MS
• Description: Soft Switching PWM Controllers PIC Attach Hi Speed
• Manufacturer: Microchip Technology

Specifications of MCP1630-I/MS

• Output Current: 11 mA
• Mounting Style: SMD/SMT
• Package / Case: MSOP-8
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4.7
To protect the V
MCP1630 V
junction temperature is above the thermal shutdown
threshold. There is an internal 100 k pull-down resis-
FIGURE 4-1:
 2004 Microchip Technology Inc.
OSC IN
V
COMP
DRIVE
Overtemperature Protection
V
EXT
CS
OSC IN
V
Q
FB
R
COMP
S
CS
EXT
REF
EXT
0.1 µA
output will be high-impedance if the
V
-
+
EA
output if shorted to V
IN
0.1 µA
Cycle-by-Cycle Timing Diagram
V
IN
Note:
V
MCP1630 High-Speed PWM Timing Diagram
IN
2.7V Clamp
2R
During overtemperature, V
IN
+
Comp
-
or GND, the
R
R
S
tor connected from V
pull-down during overtemperature conditions. The
protection is set to 150°C typical with a hysteresis of
18°C.
EXT
driver is high-impedance.
UVLO
Q
Q
Latch Truth Table
S
0
0
1
1
Overtemperature
EXT
Note
R
0
1
0
1
to ground to provide some
MCP1630
Qn
Q
1
0
1
DS21896A-page 11
100 k
V
GND
V
EXT
IN