TC28C46EOE TELCOM [TelCom Semiconductor, Inc], TC28C46EOE Datasheet - Page 4

• Manufacturer Part Number: TC28C46EOE
• Description: CMOS CURRENT MODE PWM CONTROLLER
• Manufacturer: TELCOM [TelCom Semiconductor, Inc]

NOTES: 1. These parameters, although guaranteed over the
ELECTRICAL CHARACTERISTICS (Cont):
T
16V; R
Parameter
Current Sense Section
Amplifier Gain
Max Differential
Input Signal (V
Input Offset Voltage
CMRR
PSRR
Input Bias Current
Input Offset Current
Input Common Mode Range
Delay to Outputs
Current Limit Adjust Section
Current Limit Voltage Offset
Input Impedance
Shutdown Terminal Section
Threshold Voltage
Input Voltage Range
Min Latching
Current (I
Max Non-Latching
Current (I
Min Pulse Width
Delay to Outputs
Output Section
Output Low Level r
Output High Level r
Output Rise Time
Output Fall Time
Undervoltage Lockout Section
Undervoltage Threshold
Start Threshold
Threshold Hysteresis
Total Standby Current
Supply Current
Start-Up Current
4-104
TC18C46
TC28C46
TC38C46
A
= –55 C to +125 C for TC18C46; – 40 C to +85 C for the TC28C46; and 0 C to +70 C for the TC38C46; V
T
2. Parameter measured at trip point of latch with V
3. Amplifier gain is defined as:
= 30.1k; C
Pin 1
Pin1
recommended operating conditions, are not tested in
production.
V
)
REF
)
Pin 4
, V
-V
Pin 16
DS (ON)
DS (ON)
T
Pin 3
= 270pF.
= 0V.
)
(Notes 2, 3)
(Note 2)
(Note 2)
V
V
(Note 1)
(Note 1)
(Note 1)
T
—
(Shutdown Unlatched)
(Note 1)
(Note 4)
(Note 5)
(Note 1)
(Note 1)
I
I
C
C
SINK
SOURCE
CM
IN
f
L
L
= 25 C, (Note 1)
= 1 F
= 1 F
Test Conditions
= 8V to 16V, (Note 2)
= 1V to 12V, (Note 2)
= 20mA
= 20mA
Pin 6
=
Unless otherwise stated, these specifications apply for
4. Current into Pin 1 guaranteed to latch circuit in shutdown
5. Current into Pin 1 guaranteed not to latch circuit in
state.
shutdown state.
Min
150
320
140
100
125
2.7
1.1
0.4
6.5
7.4
0.6
40
40
—
—
—
—
—
—
—
—
—
0
3
0
1
TC18C46
TC28C46
G = VPin 7 ; VPin 4 = 0V to 1V
0.65
Typ
225
360
250
250
1.5
3.5
7.8
0.8
1.2
60
60
50
10
20
55
55
—
—
—
—
0.1
3
25
7
1
VPin 4
Max
0.85
400
400
400
350
3.6
1.8
V
7.3
2.5
100
11
60
20
35
90
90
—
—
—
—
—
4
8
1
IN
2
TELCOM SEMICONDUCTOR, INC.
CMOS CURRENT MODE
PWM CONTROLLERS
Min
150
320
140
100
125
2.7
1.1
0.4
6.5
7.4
0.6
40
40
—
—
—
—
—
—
—
—
—
0
3
0
1
TC38C46
0.65
225
360
250
250
1.5
3.5
7.8
0.8
1.2
60
60
50
10
20
55
55
Typ
—
0.1
—
—
—
3
25
7
1
Max
0.85
400
400
400
350
3.4
1.8
mV
V
7.3
100
11
65
20
35
90
90
—
—
—
—
4
8
1
2
IN
2
IN
= V
Units
V/V
V
V
dB
dB
nA
nA
V
nsec
k
mV
V
nsec
nsec
nsec
nsec
V
V
V
mA
A
A
A
DD
=