CS51033GD8G ON Semiconductor, CS51033GD8G Datasheet - Page 4

• Manufacturer Part Number: CS51033GD8G
• Description: IC CTRLR PFET BUCK FAST 8-SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of CS51033GD8G

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.5V
• Current - Output: 200mA
• Frequency - Switching: 200kHz
• Voltage - Input: 3.14 ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PACKAGE PIN DESCRIPTION
C
V
OSC
CS
Pin Number
CC
1
2
3
4
5
6
7
8
55
I
I
T
T
V
7I
CC
I
C
C
V
CC
I
5
Pin Symbol
T
PGND
V
C
GND
V
V
G3
GATE
CS
V
OSC
CC
FB
C
1.5 V
1.5 V
+
−
+
−
Driver pin to gate of external P−Ch FET.
Output power stage ground connection.
Oscillator frequency programming capacitor.
Logic ground.
Feedback voltage input.
Logic supply voltage.
Soft−Start and fault timing capacitor.
Driver supply voltage.
− 2.5 V
− 2.5 V
+
+
+
−
A2
2.4 V
CS
Comparator
+
−
A1
Figure 2. Block Diagram
Oscillator
Comparator
http://onsemi.com
+
−
CS51033
−
+
A3
4
G4
Slow Discharge
Comparator
G1
G5
G2
Comp
Fault
Slow Discharge
−
+
Function
Flip−Flop
Flip−Flop
R
S
1.15 V
R
S
+
−
V
Hold Off
Comp
F1
GATE
F2
Q
Q
+
−
Q
Q
0.7 V
A6
+
−
−
+
V
Comparator
FB
A4
+
−
1.25 V
−
CS Charge
Sense
Comparator
2.3 V
+
−
RG
V
V
PGND
V
GND
C
GATE
FB