ML4828 Datasheet, PDF (2/11 Pages) Micro Linear Corporation – BiCMOS Phase Modulation/Soft Switching Controller

ML4828
PIN CONNECTION
ML4828
20-Pin DIP (P20)
20-Pin SOIC (S20)
RA 1
R_B 2
R_T 3
C_T 4
REF 5
SYNC 6
SS 7
EA0 8
EA– 9
EA+ 10
20
I_LIM
19 SDN
18 A1
17 GND
16 A2
15 B1
14
V_CC
13 B2
12 RST
11 RAMP
TOP VIEW
PIN DESCRIPTION
PIN NAME
1 R_A
2 R_B
3 R_T
4 C_T
5 REF
6 SYNC
7 SS
8 EAO
9 EA-
10 EA+
DESCRIPTION
A1 and A2 delay programming
resistor.
B1 and B2 delay programming
resistor .
Oscillator charge current
programming resistor.
Oscillator timing capacitor.
2.5V reference voltage.
Synchronization input to oscillator.
Soft start capacitor connection.
Error amplifier output.
Error amplifier inverting input.
Error amplifier non-inverting input.
PIN NAME
11 RAMP
12 RST
13 B2
14 V_CC
15 B1
16 A2
17 GND
18 A1
19 SHDN
20 I_LIMIT
DESCRIPTION
RC network for phase modulator
ramp input.
RC network for reset and integrating
fault detect.
B2 driver output.
Power supply
B1 driver output.
A2 driver output.
Ground.
A1 driver output.
Active low device shutdown.
Current limit control input
2