ZL2105ALNF Intersil, ZL2105ALNF Datasheet - Page 4

• Manufacturer Part Number: ZL2105ALNF
• Description: IC DGTL DC-DC CTRLR 3A 36QFN
• Manufacturer: Intersil
• Type: Step-Down (Buck), PWM - Voltage Moder

Specifications of ZL2105ALNF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 V ~ 5.5 V
• Current - Output: 3A
• Frequency - Switching: 200kHz ~ 2MHz
• Voltage - Input: 4.5 V ~ 14 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. Electrical Specifications
V
Notes:
1. Does not include margin
2. The device requires approximately 6 ms following an enable signal and prior to output ramp. The minimum
3. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
Table 3 is continued on the following page
Input and Supply Characteristics
I
I
I
I
VR reference output voltage
VRA reference output voltage
V25 reference output voltage
Output Characteristics
Output Current
Output voltage adjustment range
Output voltage setpoint resolution
VSEN output voltage accuracy
VSEN input bias current
Soft start delay duration range
Soft start delay duration accuracy
Soft start ramp duration range
Soft start ramp duration accuracy
Logic input current
Logic input low, V
Logic input OPEN (N/C)
Logic input high, V
Logic output low, V
Logic output high, V
VTRK input bias current
VTRK tracking accuracy
DDP
Logic Input/Output Characteristics
Tracking
DDS
DDL
DDS
DDL
settable delay is 7 ms.
= V
supply current
supply current
shutdown current
shutdown current
DDS
= 12 V, T
Parameter
IL
IH
OL
OH
4
A
= -40 C to 85 C unless otherwise noted. Typical values are at T
2
1
EN = 0 V, VDDL tied to VRA,
100% Tracking, V
Set using DLY pin or resistor
V
Set using resistor or via I
V
EN = 0 V, VDDL = 5 V,
Includes line, load, temp
DD
No I
No I
f
f
Multi-mode logic pins
SW
f
SW
f
DD
Set using I
Set using I
EN, SCL, SDA pins
SW
SW
Set using resistors
> 5.5 V, I
Set using SS pin
= 200 kHz, no load
= 200 kHz, no load
> 5.5 V, I
VTRK = 5.5 V
VSEN = 5.5 V
ZL2105
2
2
= 1 MHz, no load
= 1 MHz, no load
I
Conditions
C/SMBus activity
C/SMBus activity
I
V25
V
I
OH
OL
IN
< 50 mA
≥ -2 mA
≤ 4 mA
> V
2
2
VRA
C/SMBus
C/SMBus
VR
OUT
OUT
< 5 mA
< 35 mA
- VTRK
2
C
(Note 3)
0.007
- 100
2.25
-250
2.25
Min
4.5
4.5
0.6
2.0
10
-1
–
–
–
–
–
–
–
–
–
–
7
–
0
–
–
–
–
–
A
= 25 C.
±0.025
Typ
225
100
100
110
0.7
5.2
5.2
2.5
1.4
10
10
2
5
8
–
–
–
–
–
6
–
–
–
–
–
–
–
(Note 3)
+ 100
Max
2.75
500
200
200
500
100
200
250
200
5.5
5.5
5.0
0.8
0.4
16
20
March 30, 2011
3
6
2
3
–
–
1
–
–
–
–
–
FN6851.2
% FS
Unit
mA
mA
mA
mA
mA
mV
mV
µA
µA
µA
ms
ms
ms
ms
nA
µs
%
V
V
V
A
V
V
V
V
V
V
s