SMM105 SUMMIT Microelectronics, Inc:, SMM105 Datasheet - Page 3

• Manufacturer Part Number: SMM105
• Description: Single-channel Supply Voltage Marginer And Active Dc Output Controller Microelectronics, Inc.
• Manufacturer: SUMMIT Microelectronics, Inc:

PACKAGE AND PIN CONFIGURATION
VREF_CNTL
INTERNAL BLOCK DIAGRAM
Summit Microelectronics, Inc
VDD_C AP
READY
CO MP1
S TA RT
START
CO MP2
12V IN
Pin 1
V DD
W P#
SD A
SCL
A2
A0
A1
GND
SCL
A2
A1
A0
1
2
3
4
5
6
7
Regulator
28 Pin QFN
3.6/5V
V
Arbitration
O V/UV
O V/UV
28
8
R EF
Top View
Supply
I
27
9
SMM105
Interface
2
C Serial
10
26
M U X
11
25
12
24
13
Figure 3 – SMM105 Controller Internal Block Diagram.
23
14
22
Configuration
& M em ory
Registers
21
20
19
18
17
16
15
COMP1
VDD
TRIM
TRIM_CAP
NC
NC
NC
EE
V+
V-
2068 1.8 09/20/05
Pin 1
Control
O utput
START
READY
GND VREF_CNTL FAULT#
SCL
B1
C1
D1
A1
WP# FILT_CAP COMP2
E1
25 Ball Ultra CSP
A2
B2
C2
D2
E2
Bottom View
A2
A1
A0
Input Voltage
Sensing and
Conditioning
SDA
B3
C3
D3
A3
E3
NC
NC
Signal
VDD_CAP
COMP1 TRIM_CAP
Drive
Trim
Preliminary Information
VDD
B4
C4
D4
A4
E4
VM
TM
NC
TRIM
SMM105
B5
C5
D5
12VIN
A5
E5
NC
NC
R EADY
FA ULT#
TRIM
TRIM _CAP
VM
3